{"video_id": "080e1d1d-0f44-411f-ae3b-82af6864ac6e", "description": "0-45s: The video opens with a first-person view of someone stir-frying sliced meat, yellow bell peppers, and green vegetables in a black frying pan on a gas stove. The person uses wooden chopsticks to toss the ingredients. To the left is another pot with a lid. On the counter to the right are various condiments and kitchen items.\n\n45-90s: The person stops stirring and moves to the sink area. They pick up a plastic bag containing green onions from the counter. After briefly handling it, they walk over to a refrigerator, open the bottom drawer (crisper), place the bag inside among other vegetables like lettuce, and then retrieve a head of Napa cabbage also wrapped in plastic. They return to the counter and begin unwrapping the cabbage.\n\n90-135s: Back at the stove, the person lifts the lid off the second pot on the back burner, revealing boiling water. They then return their attention to the stir-fry, continuing to mix the contents with chopsticks. The camera angle shifts slightly as they move around the small kitchen space.\n\n135-180s: The person turns off the stove burner under the stir-fry pan. They move to the sink, turn on the faucet, and rinse a white bowl with blue floral patterns. After rinsing, they place it in the dish rack. Next, they take the Napa cabbage, separate some leaves, and begin washing them under running water in the sink before placing them on a yellow cutting board.\n\n180-225s: Using a knife, the person chops the washed Napa cabbage into smaller pieces on the cutting board. Once chopped, they transfer the cabbage by hand into the now-empty pot that was previously boiling water. They then reach for an eggplant that was sitting on the counter near the sink.\n\n225-270s: The person washes the dark purple eggplant under the tap and places it on the cutting board. They slice the eggplant lengthwise and then cut it into half-moon shapes. As they work, the stir-fry pan sits idle on the front burner while the pot with cabbage simmers on the back burner.\n\n270-315s: With the eggplant fully sliced, the person adds all the pieces directly into the pot with the cabbage and water. They use metal tongs to stir the mixture. Meanwhile, they occasionally glance at or give a quick stir to the main stir-fry dish. They then open a drawer beneath the counter and retrieve a ladle.\n\n315-360s: The person uses the ladle to check the liquid level in the vegetable pot, ensuring there\u2019s enough water. They then go back to the fridge, open the crisper again, and search through bags of produce before closing it without taking anything new out. Returning to the sink, they begin chopping what appears to be a carrot or similar root vegetable on the same cutting board.\n\n360-405s: After finishing the chopping, the person wipes down the stovetop surface next to the pans using a white cloth. They resume stirring the main stir-fry dish with chopsticks, ensuring even cooking. The pot with cabbage and eggplant continues to simmer gently beside it. Steam rises visibly from both pans.\n\n405-450s: The person reaches toward a cabinet above the stove and retrieves a carton labeled \u201cMILK\u201d (visible text). They pour a small amount of milk into the stir-fry pan, likely to create a creamy sauce base. Immediately after, they open a container of miso paste (green-lidded tub) and add a spoonful to the pan, mixing it thoroughly with the existing ingredients.\n\n450-480s: Final adjustments are made: the person stirs both dishes one last time\u2014the creamy vegetable stir-fry and the boiled cabbage/eggplant soup. They adjust heat settings on the stove, possibly lowering the flame for the soup. The scene ends with both pots actively cooking, steam rising, and the kitchen still bustling with activity as meal preparation nears completion.", "questions": [{"question": "After I placed the green onions in the crisper, which vegetable did I retrieve and then wash at the sink before chopping it on the yellow cutting board?", "options": ["A. The head of Napa cabbage wrapped in plastic", "B. The dark purple eggplant from the counter", "C. The carrot or similar root vegetable", "D. The lettuce leaves from the crisper"], "answer": "A", "evidence": "After storing the green onions in the crisper, I retrieved a head of Napa cabbage also wrapped in plastic, returned to the counter, and later washed and chopped it.", "timestamps": "45-90s and 135-180s"}, {"question": "Before I added the eggplant pieces to the pot, what had I done earlier with the Napa cabbage that I had taken from the crisper?", "options": ["A. Chopped it into smaller pieces on the cutting board", "B. Added it to the boiling water in the second pot", "C. Rinsed it under running water in the sink", "D. Stirred it with metal tongs in the pot"], "answer": "B", "evidence": "I chopped the washed cabbage and transferred it by hand into the previously boiling pot, then later added the sliced eggplant to the same pot.", "timestamps": "135-180s and 225-270s"}, {"question": "What did I do with the ladle after I retrieved it from the drawer beneath the counter, and which action had I just completed before that?", "options": ["A. Used it to check the liquid level in the vegetable pot after stirring the stir-fry", "B. Used it to stir the soup after adding the eggplant pieces", "C. Used it to pour water into the pot after chopping the carrot", "D. Used it to taste the sauce after adding milk and miso"], "answer": "A", "evidence": "I retrieved a ladle, used it to check the liquid level in the vegetable pot, and earlier I had stirred the mixture with metal tongs after adding the eggplant.", "timestamps": "270-315s and 315-360s"}, {"question": "After I added the milk and miso paste to the stir-fry pan, what did I do next with the two dishes before the video ended?", "options": ["A. Stirred both dishes and lowered the flame for the soup", "B. Wiped down the stovetop and adjusted the heat for both", "C. Added more vegetables and then served the meal", "D. Turned off both burners and placed the lids on the pans"], "answer": "A", "evidence": "After adding milk and miso, I stirred both dishes one last time and adjusted heat settings, possibly lowering the flame for the soup.", "timestamps": "405-450s and 450-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "08a41fea-da68-456b-aa1f-2803fca1aaa8", "description": "0-45s: The video begins with a first-person view of someone painting the ceiling in a bathroom. They are using a small paintbrush to apply white paint around a square, white ventilation fan mounted on the ceiling. The person is wearing a black long-sleeved shirt. Below the area being painted is a white louvered door. The camera angle shifts slightly, showing more of the room, including a glass shower screen and chrome fixtures to the right.\n\n45-120s: The painter continues to meticulously cut in the paint around the edges of the ventilation fan and along the top of the door frame. At 83s, they lower the brush into a small, open can of white paint resting on the floor inside the louvered closet space before dipping it again to continue painting. This cycle of dipping the brush and applying paint repeats several times as they work their way around the fixture.\n\n120-195s: After finishing the area around the fan, the person moves to paint the vertical trim on the left side of the louvered door. They carefully apply the white paint along the edge where the door frame meets the wall. The camera follows the movement of the brush up and down this section.\n\n195-270s: The person finishes the trim and then walks out of the bathroom. The camera pans across an adjacent room with wood-laminate flooring, where a purple cloth and other items are on the floor. They return to the bathroom and begin preparing for the next task by taking a roll of red painter's tape from the sink counter.\n\n270-360s: The person reaches up to a circular light fixture on the ceiling and begins applying the red painter's tape around its base. This action is done to protect the fixture from getting paint on it. They carefully press the tape down to create a seal. The lighting in the room dims significantly during this process, making it difficult to see clearly.\n\n360-420s: With the light fixture now masked off with red tape, the person resumes painting the ceiling. Using the same small brush, they apply white paint to the ceiling surface, working around the taped-off area. The low-light conditions persist, but the motion of the hand and brush is visible.\n\n420-480s: The scene changes. The person is now sitting on the floor outside the bathroom. In front of them is the can of white paint. They dip the brush into the paint and begin painting the white skirting board (baseboard) at the bottom of the wall, moving along the edge where the wall meets the wood-laminate floor. A yellow plastic scraper and a purple cloth are visible on the floor nearby.", "questions": [{"question": "In my series of painting tasks, which of these actions did I perform last?", "options": ["A. painted the white skirting board along the wood-laminate floor", "B. painted the vertical trim on the left side of the louvered door", "C. applied the red painter's tape around the circular ceiling light", "D. dipped my brush into the paint can inside the closet space"], "answer": "A", "evidence": "The person is now sitting on the floor outside the bathroom... painting the white skirting board at the bottom of the wall, moving along the edge where the wall meets the wood-laminate floor.", "timestamps": "0-120s and 420-480s"}, {"question": "Before I applied red tape to the light fixture, what had I just finished painting, and why did I apply the tape?", "options": ["A. finished the ceiling; to protect the light from ceiling paint", "B. finished the baseboard; to protect the light from wall paint", "C. finished the door trim; to protect the light from ceiling paint", "D. finished walking out; to protect the light from the red tape"], "answer": "C", "evidence": "The person finishes the trim and then walks out... return... takes a roll of red painter's tape from the sink counter. Then reaches up to the circular light fixture and applies the tape to protect it from getting paint on it.", "timestamps": "120-195s and 270-360s"}, {"question": "While I was painting the ceiling around the ventilation fan, where was the paint can, and what item did I later pick up from the sink counter?", "options": ["A. the can sat on the sink counter; I later picked up a yellow scraper", "B. the can sat on the wood-laminate floor; I later picked up a purple cloth", "C. the can sat outside the bathroom; I later picked up a small paintbrush", "D. the can sat inside the louvered closet; I later picked up red tape"], "answer": "D", "evidence": "They lower the brush into a small, open can of white paint resting on the floor inside the louvered closet space. Later, they take a roll of red painter's tape from the sink counter.", "timestamps": "45-120s and 195-270s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "0762eae0-7b00-47f6-ae64-0c0b1fe72e38", "description": "0-55s: The video begins with a first-person view of a kitchen. The person walks to a white refrigerator, opens the bottom crisper drawer, and retrieves a bag of green vegetables. They then open the main fridge door, take out a vacuum-sealed package of meat, and place it on the stainless steel counter. Next, they open a yellow cloth bag on the counter, removing an onion and several small potatoes, setting them down alongside the meat.\n\n55-115s: The person moves to the sink, where a dirty black frying pan with a wooden handle is waiting. They use a sponge and soap to scrub the pan thoroughly inside and out. After rinsing it under running water, they dry the pan with a pink and white striped cloth. The clean pan is placed on the stovetop. The person then retrieves a large stainless steel mixing bowl from a nearby cart and sets it on the counter.\n\n115-170s: To prepare the workspace, the person slightly shifts a red appliance (likely a rice cooker) and places the large metal bowl on the counter. They take a white plastic cutting board from the dish rack. An onion is washed at the sink, then peeled over a small metal bowl to catch the skins. Once peeled, the onion is placed on the cutting board.\n\n170-245s: The person cuts the onion in half and slices it. They then open a plastic package of shiitake mushrooms, placing them on the cutting board. The mushroom stems are trimmed off by hand. The caps are sliced and placed into a bowl, followed by the slicing of the stems. The prepared mushrooms are transferred into a plastic container.\n\n245-320s: The bag of green vegetables is opened, and the contents are placed into a bowl. The person then begins peeling the potatoes using a metal peeler over the cutting board. Several potatoes are peeled, with the skins accumulating on the board. The peeled potatoes are collected and placed into a metal bowl.\n\n320-360s: The person washes their hands, then transfers the peeled potatoes into the large metal bowl. They cut the potatoes into chunks on the cutting board. The cut potatoes are placed into a bowl of water to soak.\n\n360-420s: The person continues peeling the remaining potatoes. These are also added to the bowl of water with the first batch.\n\n420-480s: Finally, the person holds the bowl containing all the soaked potatoes under the running tap, washing them gently with their hands to ensure they are clean. The video ends with the ingredients fully prepped and the workspace organized for cooking.", "questions": [{"question": "After I placed the cut potatoes into the bowl of water, which ingredient did I prepare first after the onion, and where did I put the prepared pieces?", "options": ["A. I prepared green vegetables and put the contents into a bowl.", "B. I prepared mushrooms and put the slices into a plastic container.", "C. I prepared potatoes and put the chunks into a bowl of water.", "D. I prepared onion and put the slices on the cutting board."], "answer": "B", "evidence": "The prepared mushrooms are transferred into a plastic container. The cut potatoes are placed into a bowl of water to soak.", "timestamps": "170-245s and 320-360s"}, {"question": "After I had washed and dried the dirty frying pan and placed it on the stovetop, which ingredient did I wash last, and what did I do with it immediately afterward?", "options": ["A. the onion, and I peeled it over a small metal bowl to catch the skins", "B. the green vegetables, and I emptied them into a bowl on the counter", "C. the cut potatoes, and I left them in the bowl of water after rinsing them clean", "D. the shiitake mushrooms, and I sliced them into a bowl before storing them"], "answer": "C", "evidence": "The frying pan was washed and dried early; at the end the bowl of soaked potatoes was held under the tap and washed gently by hand.", "timestamps": "55-115s and 420-480s"}, {"question": "After I had placed the cleaned frying pan on the stovetop, which of these did I do before I opened the package of shiitake mushrooms?", "options": ["A. I washed the onion at the sink and peeled it over a small metal bowl.", "B. I opened the bag of green vegetables and emptied the leaves into a bowl.", "C. I peeled the potatoes and cut them into chunks on the cutting board.", "D. I held the bowl of cut potatoes under the tap and washed them gently."], "answer": "A", "evidence": "The clean pan is placed on the stovetop. An onion is washed at the sink, then peeled over a small metal bowl to catch the skins. They then open a plastic package of shiitake mushrooms.", "timestamps": "55-115s and 115-170s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "0a0e800f-7d2c-4464-996c-47cd2f323350", "description": "0-38s: The video opens on a kitchen sink area. A person retrieves a small, stainless steel saucepan from a drawer under the stove and fills it with water from the tap before placing it on the stovetop burner. They then wash their hands at the sink.\n\n39-102s: After drying their hands, the person takes a piece of dark green kelp (kombu) from a white dish rack, places it on a white cutting board with green edges, and cuts it into smaller pieces using a black-handled knife. The cut kelp is added to the pot of water on the stove. Next, they retrieve a carrot from the refrigerator's crisper drawer, peel it over the sink, chop it on the same cutting board, and add the chopped carrots to the pot.\n\n103-167s: The person cleans up the prep area by wiping the counter and washing the knife and cutting board in the sink. They place the clean items in the dish rack to dry. They then open the fridge again, take out a bottle of what appears to be dashi or stock, and pour some into the pot with the vegetables. Finally, they cover the pot with its lid to let it simmer.\n\n168-245s: While the soup simmers, the person prepares other components of the meal. They open a container of tofu and another of what looks like scrambled eggs or a similar yellow food item. Using a spoon, they portion these ingredients into separate small bowls. They also retrieve a plastic bag containing a block of frozen fish or chicken from the freezer.\n\n246-332s: The person continues preparing the side dishes. They tear off paper towels from a roll to use for cleaning or serving. They unwrap the frozen protein and place it in a container. They mix the contents of one of the small bowls with a fork. The video concludes as they continue to arrange the various prepared food items on the counter next to the simmering pot.", "questions": [{"question": "After I poured the dashi into the simmering pot, which ingredient had I added to the water before I put in the chopped carrot?", "options": ["A. The dark green kombu kelp that I sliced into small pieces on the cutting board", "B. The bottle of dashi stock that I poured from after retrieving it from the fridge", "C. The frozen fish block that I later unwrapped from its plastic bag", "D. The scrambled egg mixture that I portioned into a small bowl with a spoon"], "answer": "A", "evidence": "The person takes a piece of dark green kelp (kombu), cuts it into smaller pieces, and adds it to the pot. Next, they retrieve a carrot, chop it, and add the chopped carrots to the pot. Later, they pour dashi into the pot.", "timestamps": "Anchor: 103-167s (pouring dashi), Asked: 39-102s (adding kelp first)"}, {"question": "After I covered the pot to let it simmer, which ingredient did I add before the chopped carrot, and what did I do with the knife after chopping the carrot?", "options": ["A. The bottle of dashi stock; I placed the knife and cutting board in the dish rack", "B. The dark green kelp pieces; I washed the knife and cutting board in the sink", "C. The frozen fish block; I tore off paper towels from the roll for cleaning", "D. The scrambled egg mixture; I portioned it into a small bowl with a spoon"], "answer": "B", "evidence": "Kelp was added to the pot before the carrot. After chopping the carrot, the person cleans up by washing the knife and cutting board in the sink.", "timestamps": "Anchor: 103-167s (covering pot), Asked: 39-102s (adding kelp) and 103-167s (washing knife)"}, {"question": "After I placed the lid on the pot, what earlier action had made it necessary for me to wash the cutting board?", "options": ["A. peeling the carrot over the sink and then chopping it on the board", "B. chopping the dark green kelp and the carrot into small pieces on the cutting board", "C. portioning the scrambled egg mixture into a small bowl with a spoon", "D. unwrapping the frozen fish block from its plastic bag to place in a container"], "answer": "B", "evidence": "The person used the cutting board to chop the kelp and the carrot, which made it dirty and required washing.", "timestamps": "Anchor: 103-167s (placing lid), Asked: 39-102s (chopping on cutting board)"}, {"question": "After I used a fork to mix one of the bowls, what had I done with the cutting board immediately after finishing the chopping?", "options": ["A. placed it in the dish rack to dry", "B. used it to cut the dark green kelp", "C. washed it in the sink with soap and water", "D. used it to chop the carrot into pieces"], "answer": "C", "evidence": "Right after chopping the carrot, the person washed the cutting board in the sink before placing it in the dish rack.", "timestamps": "Anchor: 246-332s (mixing with fork), Asked: 103-167s (washing cutting board)"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "0b20e242-a496-4662-a3e7-645bcecdbe55", "description": "0-15s: The video opens with a first-person view of someone in a kitchen. They crack an egg into a red frying pan on the stove, where another egg is already cooking. A white bowl containing what appears to be shredded meat or mushrooms sits on the sink's draining board next to a pink cutting board. After cracking the egg, the person discards the shell into a plastic bag on the floor and then washes their hands in the stainless steel sink.\n\n15-45s: With two eggs now frying in the pan, the person picks up the white bowl and uses their hand to mix its contents. They then pick up a pair of wooden chopsticks from the counter. The focus shifts back to the pan as they use the chopsticks to check on the frying eggs.\n\n45-90s: The person takes the bowl of shredded ingredients and adds them directly into the hot pan with the eggs. Using the chopsticks, they begin to stir and break up the eggs, mixing them together with the other ingredients. This action transforms the separate components into a single scramble.\n\n90-135s: After briefly washing the now-empty white bowl in the sink, the person returns to the stove to continue stirring the mixture in the pan. The food is actively being cooked, with the eggs solidifying and combining with the other items. The camera pans around the small kitchen space, showing a refrigerator and microwave before returning to the cooking process.\n\n135-270s: The person reaches for a glass bottle with a yellow-orange liquid, likely a sauce or dressing. The label has some text, including \"GOLDEN SYRUP\" and Japanese characters. They pour a generous amount of this sauce over the food in the pan and resume stirring vigorously with the chopsticks to incorporate the flavor. The dish continues to cook, becoming more homogenous in color and texture.\n\n270-480s: For the remainder of the video, the person continuously stirs the scrambled mixture in the red pan. The food appears to be fully cooked, with all ingredients well-combined and coated in the sauce. The person occasionally adjusts their grip on the pan handle while ensuring nothing sticks to the bottom, finalizing the preparation of the meal.", "questions": [{"question": "After I cracked an egg into the red frying pan on the stove, what did I do with the white bowl before I added its shredded contents to the pan?", "options": ["A. I mixed its shredded contents thoroughly with my bare hand.", "B. I picked it up from the sink's draining board beside the pink cutting board.", "C. I washed it in the stainless steel sink under running water.", "D. I left it on the sink's draining board next to the pink cutting board."], "answer": "A", "evidence": "15-45s: picks up the white bowl and uses their hand to mix its contents.", "timestamps": "45-90s and 15-45s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "0c8be72d-d70f-4662-943d-7a679d6ad8bf", "description": "0-45s: The video opens with a first-person view of a kitchen counter. On the counter, there is a plate with two slices of bread, another plate with several pieces of raw chicken breast, two whole eggs, and a knife. A black frying pan sits on an unlit gas stove to the right. The person picks up the handle of the frying pan, moves it slightly, and then places it back down. They then open a drawer below the stove, take out a bottle of cooking oil, and pour some into the pan before setting the bottle aside.\n\n45-135s: The person begins preparing the food for cooking. They pick up the pieces of chicken from the white plate and arrange them in the oiled frying pan. After placing all the chicken in the pan, they reach for one of the eggs, crack it over the pan, and drop its contents next to the chicken. They repeat this process with the second egg. Once both eggs are in the pan, they season the food by shaking salt and pepper from small shakers over the pan. Finally, they place a glass lid on the frying pan to let the food cook.\n\n135-225s: While the food cooks, the person turns their attention to other tasks. They walk over to a separate counter area where a toaster oven is located. They take the two slices of bread from the blue-patterned plate and place them inside the toaster oven, closing the door to begin toasting. Next, they open the refrigerator, which has a polka-dotted curtain inside, and retrieve a clear plastic container holding blocks of butter. They bring the butter back to the main counter and set it down. The person then returns to the stove, removes the lid from the frying pan, uses chopsticks to check on the cooking eggs and chicken, and then replaces the lid.\n\n225-315s: The person continues to monitor the cooking process. They remove the lid from the pan again and use chopsticks to flip the chicken and eggs, ensuring they cook evenly on both sides. After flipping the food, they turn off the gas burner. Using the chopsticks, they carefully transfer the cooked chicken and fried eggs from the pan onto the now-empty white plate. With the meal cooked, they take the frying pan and its lid to the sink and rinse them under running water. They also wash the chopsticks used for cooking.\n\n315-480s: The final stage involves assembling the rest of the breakfast. The person checks the toaster oven and removes the golden-brown toasted bread. They take the container of butter from earlier and use a knife to spread a generous amount onto each slice of toast. They then grab a bunch of bananas, peel one, and place it on the counter next to the prepared plate of toast, eggs, and chicken. The video concludes with the fully prepared breakfast laid out on the counter: a plate with the cooked eggs and chicken, a plate with two slices of buttered toast, and a fresh banana.", "questions": [{"question": "Which did I do first: season the food or put the bread in the toaster, and what did I use to season the food?", "options": ["A. I put the bread in the toaster first and used salt and pepper.", "B. I seasoned the food first and used chopsticks.", "C. I put the bread in the toaster first and used chopsticks.", "D. I seasoned the food first and used salt and pepper."], "answer": "D", "evidence": "Once both eggs are in the pan, they season the food by shaking salt and pepper. Later, they take the two slices of bread and place them inside the toaster oven.", "timestamps": "45-135s and 135-225s"}, {"question": "Which of these actions did I do first?", "options": ["A. I cracked an egg and dropped its contents into the oiled pan.", "B. I placed the two slices of bread inside the toaster oven.", "C. I opened the refrigerator and retrieved the butter container.", "D. I rinsed the frying pan and the lid under running water."], "answer": "A", "evidence": "After arranging the chicken, they reach for one of the eggs, crack it over the pan, and drop its contents next to the chicken. This occurs before placing bread in the toaster, retrieving butter, or washing the pan.", "timestamps": "45-135s, 135-225s, 225-315s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "0e7bb20c-027d-4ce1-827e-e59a2145e93b", "description": "0-120s: The video begins with a person sweeping grass clippings off a concrete workshop floor using a green-handled broom and a white dustpan. They collect the debris and dump it into a large black trash bin located near the entrance. A red metal plate lies on the floor nearby.\n\n120-240s: The person walks over to a hydraulic vehicle lift and operates the control panel, which features a black motor unit. They then retrieve a blue grease gun and proceed to lubricate several fittings on a large red Exmark mower deck that is positioned on the lift.\n\n240-360s: Using a red cordless impact driver, the person begins disassembling the large mower deck. They remove bolts securing the spindle assemblies and detach a spindle component, placing it aside on the lift platform.\n\n360-480s: The person continues working on the large mower deck, using a scraper tool to remove caked-on grass and debris from the underside of the deck. They also remove the top metal cover plate of the deck to access the internal components more easily.\n\n480-600s: Attention shifts to a smaller red Exmark walk-behind mower. The person checks the engine oil level using the dipstick, adds fresh oil from a black bottle, and inspects the air filter housing. They then maneuver the mower, pushing it towards the garage door.\n\n600-720s: The person tips the small mower onto its side to access the underside. They use a scraper to clear out accumulated grass clippings from the deck interior. They then use the impact driver to remove the rear wheel of the mower.\n\n720-840s: Continuing the disassembly of the small mower, the person uses the impact driver to remove the blade mounting bolt. They detach the blade and inspect the spindle area, preparing the mower for maintenance or part replacement.\n\n840-960s: The person walks through the workshop to a storage area. They browse shelves stocked with various parts and open a cardboard box containing a new component wrapped in plastic. They then move to a wall rack labeled \"exmark\" and select a new red mower blade.\n\n960-1080s: Standing at a workbench, the person places the new red blade down and writes notes on a spiral-bound notepad. They hold the previously retrieved wrapped part in their other hand, seemingly cross-referencing information.\n\n1080-1200s: Returning to the small mower, the person installs the new red blade onto the spindle. They use the impact driver to tighten the mounting bolt securely. Finally, they reattach the wheel and make final adjustments to the mower's components.", "questions": [{"question": "Before I tipped the smaller mower onto its side, which task had I already completed on it?", "options": ["A. cleared packed grass from the small mower's deck interior with a scraper", "B. removed the small mower's rear wheel with the red impact driver", "C. checked the small mower's oil with the dipstick and added oil from a black bottle", "D. removed the small mower's blade mounting bolt and detached the blade"], "answer": "C", "evidence": "480-600s: checks engine oil level using dipstick, adds fresh oil from black bottle; 600-720s: tips small mower onto its side.", "timestamps": "480-600s and 600-720s"}, {"question": "After I lubricated the fittings on the large mower, what did I do last before reinstalling a new blade on the small mower?", "options": ["A. wrote notes on a spiral-bound notepad", "B. selected a new red mower blade from the Exmark rack", "C. opened a cardboard box containing a wrapped component", "D. removed the rear wheel from the small mower"], "answer": "A", "evidence": "At 960-1080s I wrote notes on the notepad while holding the wrapped part; at 1080-1200s I installed the new blade.", "timestamps": "120-240s (lubricating) and 960-1080s (writing notes) and 1080-1200s (installing)"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "0edc229a-eb4a-473c-b66b-550c19eecd42", "description": "0-120s: The video begins with a first-person view of someone chopping a pale, root-like vegetable (likely burdock root) into thin strips on a white cutting board. To the right, a black frying pan sits on a lit gas stove, already containing green vegetables (asparagus) and white strips. The person uses a silver knife to slice the vegetable.\n\n120-150s: The person stops chopping and moves to the right, retrieving a package of raw pink meat (likely bacon or pork strips) from a counter near a microwave. They bring it back to the cutting board area.\n\n150-240s: The person opens the meat package, places the strips on the cutting board next to the remaining root vegetable, and proceeds to chop the meat into smaller, bite-sized pieces.\n\n240-260s: After finishing the chopping, the person picks up the empty white styrofoam tray from the sink, rinses it under the running tap, and then walks to the side to dispose of packaging waste into a bin located near the washing machine.\n\n260-300s: The person returns to the counter and handles a small seasoning packet, tearing it open. They then use their hands to separate and arrange the chopped meat on the cutting board, possibly mixing in the seasoning.\n\n300-310s: The person briefly washes their hands in the stainless steel sink.\n\n310-390s: Using wooden chopsticks, the person stirs the vegetables (green asparagus and white strips) in the frying pan. The vegetables are sizzling and steaming. The chopped meat remains on the cutting board, waiting to be added.\n\n390-420s: The person reaches up to a shelf above the sink, takes down a white ceramic plate, holds it for a moment, and then sets it aside.\n\n420-480s: The person resumes stirring the vegetables in the pan with chopsticks, ensuring they cook evenly. The video ends with the vegetables still cooking and the meat waiting on the board.", "questions": [{"question": "After I finished chopping the root vegetable into thin strips, what did I do with the empty tray from the meat package before returning to the frying pan?", "options": ["A. I rinsed the styrofoam tray under the tap and threw the packaging into the bin near the washing machine.", "B. I placed the tray on the shelf above the sink and left it there for the rest of the video.", "C. I used the tray to hold the chopped meat while I stirred the vegetables in the pan.", "D. I discarded the tray in the sink and then washed my hands immediately after."], "answer": "A", "evidence": "After finishing the chopping, the person picks up the empty white styrofoam tray from the sink, rinses it under the running tap, and then walks to the side to dispose of packaging waste into a bin located near the washing machine.", "timestamps": "240-260s"}, {"question": "Before I added the meat to the vegetables, what did I do with the seasoning packet that I tore open?", "options": ["A. I sprinkled the seasoning onto the vegetables in the frying pan.", "B. I mixed the seasoning into the chopped meat using my hands.", "C. I set the packet aside and never used its contents.", "D. I added the seasoning to the pan after stirring the vegetables."], "answer": "B", "evidence": "The person returns to the counter and handles a small seasoning packet, tearing it open. They then use their hands to separate and arrange the chopped meat on the cutting board, possibly mixing in the seasoning.", "timestamps": "260-300s"}, {"question": "Just before I took down the white ceramic plate from the shelf, what was the state of the chopped meat on the cutting board?", "options": ["A. The meat was still uncooked and waiting to be added to the pan.", "B. The meat had been added to the pan and was sizzling with the vegetables.", "C. The meat was being washed under the tap in the sink.", "D. The meat was being chopped into even smaller pieces."], "answer": "A", "evidence": "The chopped meat remains on the cutting board, waiting to be added. The person reaches up to a shelf above the sink, takes down a white ceramic plate, holds it for a moment, and then sets it aside.", "timestamps": "310-390s and 390-420s"}, {"question": "After I rinsed the styrofoam tray and disposed of the packaging, what was the next thing I handled before returning to the frying pan?", "options": ["A. I handled a small seasoning packet and tore it open.", "B. I picked up the white ceramic plate from the shelf.", "C. I washed my hands in the stainless steel sink.", "D. I picked up the wooden chopsticks to stir the vegetables."], "answer": "A", "evidence": "After disposing of packaging waste, the person returns to the counter and handles a small seasoning packet, tearing it open.", "timestamps": "260-300s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "19f30daa-48d6-4bc4-a728-75ae529ace58", "description": "0-15s: The video opens with a first-person view of a person standing at a cluttered black metal tool chest in a garage. They are holding a small, new carburetor part still in its blue and white \"VAPOR\" branded box. After opening the box, they remove a small brass jet or nozzle. On the workbench above the open drawers, two cordless drills (one green, one red), papers, and other tools are visible.\n\n15-48s: The person walks from the tool chest over to a yellow riding lawnmower that is raised on a red hydraulic lift. A red rag is laid out on the lift's platform next to the mower's engine, with several disassembled carburetor parts already placed upon it, including a float bowl, a gasket, and a screwdriver. The person sits down on a stool and begins inspecting the small brass jet they just unboxed, comparing it to the old parts.\n\n48-120s: Seated by the mower, the person picks up the main body of the carburetor. Using their fingers and then a small pick-like tool, they meticulously clean the internal passages and ports of the carburetor body. This action suggests they are preparing the component for reassembly by removing any old debris or varnish.\n\n120-165s: The person carries the carburetor body to another workbench area. They use a long Phillips head screwdriver to manipulate an internal component within the carburetor. After this adjustment, they walk back towards the mower, carrying the carburetor body and the screwdriver.\n\n165-210s: Returning to the mower, the person places the carburetor body on the red rag. They pick up the blue \"VAPOR\" box again, take out a new white plastic float, and carefully install it into the carburetor body, securing it with its pin.\n\n210-270s: With the float installed, the person picks up the brass float bowl and attaches it to the bottom of the carburetor body. They then grab a can of aerosol cleaner (white can with orange label) and spray it directly into the jets and passages of the newly assembled carburetor to ensure all channels are clear.\n\n270-330s: The person continues the cleaning process, picking up a second spray can (yellow top, likely a lubricant like WD-40) and spraying it onto the small brass jet. They then retrieve a socket wrench from a nearby drawer full of miscellaneous hardware and use it briefly before setting it aside. They proceed to spray the jet again with the cleaner.\n\n330-390s: The person finishes cleaning the individual components. They attach the cleaned brass jet to the float assembly inside the carburetor. Next, they place the float bowl back onto the main carburetor body and begin threading the retaining nut by hand.\n\n390-420s: Using a small silver wrench, the person tightens the nut on the float bowl, completing the reassembly of the carburetor. They hold the fully assembled unit, giving it a final visual inspection.\n\n420-480s: The person moves the reassembled carburetor back to the engine of the lawnmower. They align the carburetor with the engine's intake manifold and begin connecting the throttle linkage and fuel line, securing the carburetor in its operational position on the engine.", "questions": [{"question": "After I had cleaned the internal passages of the carburetor body with the pick tool, what did I do before I walked back to the mower from the second workbench?", "options": ["A. I sprayed the assembled carburetor with a white aerosol cleaner", "B. I adjusted an internal component with a long Phillips screwdriver", "C. I installed a new white plastic float into the carburetor body", "D. I tightened the float bowl retaining nut with a small silver wrench"], "answer": "B", "evidence": "They use a long Phillips head screwdriver to manipulate an internal component within the carburetor.", "timestamps": "48-120s and 120-165s"}, {"question": "After I had cleaned the carburetor body, what did I do before I attached the float bowl, and what tool did I use to tighten the retaining nut?", "options": ["A. I installed the new float, and I used a small silver wrench", "B. I adjusted the internal component, and I used a socket wrench", "C. I sprayed the carburetor, and I used a Phillips screwdriver", "D. I attached the throttle linkage, and I used a pick tool"], "answer": "A", "evidence": "take out a new white plastic float and carefully install it; using a small silver wrench, tighten the nut.", "timestamps": "48-120s, 165-210s, and 390-420s"}, {"question": "Earlier, I had placed the carburetor body on the red rag. Later, after reassembling it, what did I do with the carburetor?", "options": ["A. I placed it back on the red rag", "B. I set it on the second workbench", "C. I held it up for a final visual inspection", "D. I secured it to the engine's intake manifold"], "answer": "D", "evidence": "The person moves the reassembled carburetor back to the engine of the lawnmower.", "timestamps": "15-48s and 420-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "19d22367-5acc-43af-b409-7dc25792df81", "description": "0-27s: The video opens with a first-person perspective of a person standing beside a bed covered in a colorful striped sheet (red, blue, yellow) with a black bag resting on it. The text \"EVEREST\" is partially visible on the bag. The person puts a black smartwatch on their left wrist, adjusting the strap and tapping the screen. After checking the time/settings, the camera pans down to the floor, revealing a blue spin mop bucket, a mop head, and a pair of red slippers on the white tiled floor.\n\n27-54s: The person picks up the blue mop handle and lifts the blue bucket. They carry the cleaning equipment across the room, passing a wooden cabinet, and place the bucket down near an orange basin containing a smaller white bucket. This setup suggests preparation for a thorough cleaning session.\n\n54-108s: The person dips the mop head into the water-filled blue bucket. They then insert the mop into the spinner basket and begin pushing the handle down repeatedly. This action engages the spinning mechanism, wringing out the excess water from the mop head. This process is repeated several times to achieve the desired dampness for mopping.\n\n108-162s: With the mop prepared, the person begins mopping the white tiled floor. They move systematically, pulling the mop backwards to clean the surface. They navigate around obstacles, including a red plastic stool and a large yellow bag (possibly containing rice or flour) placed near a cardboard box. They carefully maneuver the mop around furniture legs and into corners.\n\n162-216s: The person transitions to an adjacent area with reddish-brown square tiles, likely a balcony or veranda, illuminated by bright sunlight. They continue mopping this section, covering the entire tiled surface and maneuvering around a wooden step or platform structure.\n\n216-300s: Returning to the main room with the white tiles, the person mops around a sofa covered with a floral patterned throw. They clean the floor near a small table draped with a white cloth featuring a geometric design (blue and yellow triangles). They continue mopping the central area which features decorative diamond-patterned tiles. Finally, the person returns to the blue bucket, dips the mop in again, and performs a final wringing cycle as the video concludes.", "questions": [{"question": "After I had finished mopping the white-tiled main room and returned to the blue bucket, what did I do with the mop before the video ended?", "options": ["A. I rinsed the mop head under a running tap in the kitchen", "B. I placed the mop head on the wooden cabinet to dry", "C. I dipped the mop into the blue bucket and spun it for a final time", "D. I carried the mop and bucket back to the orange basin"], "answer": "C", "evidence": "The person returns to the blue bucket, dips the mop in again, and performs a final wringing cycle as the video concludes.", "timestamps": "216-300s"}, {"question": "After I had put on the smartwatch, carried the bucket, and wrung out the mop, which section of flooring did I begin cleaning first?", "options": ["A. The reddish-brown square-tiled balcony lit by bright sunlight", "B. The white-tiled floor around the sofa with the floral throw", "C. The white-tiled floor around a red plastic stool and a large yellow bag", "D. The central area with diamond-patterned decorative tiles"], "answer": "C", "evidence": "0-27s: puts a black smartwatch on left wrist and adjusts strap. 27-54s: carries mop handle and blue bucket across room, passing wooden cabinet. 54-108s: dips mop head into bucket and spins it in the wringer. 108-162s: begins mopping the white tiled floor, navigating around a red plastic stool and a large yellow bag.", "timestamps": "0-108s and 108-162s"}], "n_frames_described": 100, "rejected_blind": 9, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "1799ae19-82cd-4615-8cc5-ebe5f342abef", "description": "0-80s: The video begins with a first-person perspective of cooking at a stove. The person uses a wooden spatula to stir sliced mushrooms and onions in a black frying pan on the left burner. To the right, a silver pot with a glass lid is on the second burner. The person lifts the lid of the silver pot and pours hot water from a white electric kettle into it, causing steam to rise. They replace the lid and resume stirring the mushrooms. The camera pans left towards the sink area, revealing a cluttered counter with a large white plastic bag, a blue cup with \"HAWAII\" printed on it, and a box of aluminum foil. The person picks up a can of tomato paste.\n\n80-160s: The person holds the open can of tomato paste over the frying pan. Using a metal spoon, they scoop the thick red paste from the can into the pan with the saut\u00e9ed mushrooms. They stir the mixture vigorously with the wooden spatula, incorporating the red paste until the contents turn a deep reddish-brown. They add a second spoonful of paste. Next, they grab a white shaker with a blue label (likely salt) and shake seasoning into the pan. They continue to stir the sauce as it simmers.\n\n160-240s: The person walks to the refrigerator and presses buttons on a small digital timer attached to the door. Returning to the counter, they pick up a blue and yellow package of spaghetti. They break the bundle of dry pasta in half and place the pieces into the pot of boiling water on the right burner. They use their hands to fan the pasta out so it fits into the pot. They return to the left burner to stir the tomato sauce, ensuring it doesn't stick.\n\n240-320s: The person moves to the sink area to clean up. They take a white cutting board, which has remnants of chopped green herbs on it, and a knife. They apply orange dish soap to a sponge and scrub the cutting board and knife under running water. After rinsing, they place the clean cutting board on the drying rack. Meanwhile, the sauce continues to cook on the stove.\n\n320-400s: The person checks the pasta in the pot, stirring it with chopsticks to prevent sticking. They then move to a wall-mounted cabinet with dark wood frames and glass doors. They open the cabinet and retrieve several serving dishes: a dark grey plate, a blue and white patterned bowl, and a small wooden bowl. They place these on the counter near the sink. Afterward, they open a drawer beneath the counter, which is packed with various plastic food storage containers and lids. They rummage through the drawer, picking up and examining a clear rectangular container before placing it back.\n\n400-480s: The person returns to the stove briefly to stir the sauce one last time. They then move back to the sink area holding the empty tomato paste can. Using the metal spoon, they scrape the remaining residue from the inside of the can. Finally, they rinse the can and its lid under the tap, cleaning them before discarding or storing. The video ends with the person holding the rinsed can parts over the sink.", "questions": [{"question": "After I added the spaghetti to the pot, I later opened a drawer. What did I find inside that drawer?", "options": ["A. a set of serving dishes with patterned bowls", "B. a white electric kettle and a box of aluminum foil", "C. a variety of plastic food containers and lids", "D. a blue cup with HAWAII and a wooden spatula"], "answer": "C", "evidence": "They open a drawer beneath the counter, which is packed with various plastic food storage containers and lids. (320s-400s) The spaghetti was added earlier. (160s-240s)", "timestamps": "160-240s and 320-400s"}, {"question": "After I added the spaghetti to the pot, what tool did I use to stir the tomato sauce on the left burner, and what tool did I use to stir the sauce one last time later?", "options": ["A. the wooden spatula for both stirring moments", "B. the metal spoon for both stirring moments", "C. the chopsticks for both stirring moments", "D. the wooden spatula for the first and the chopsticks for the second"], "answer": "A", "evidence": "The description says 'return to the left burner to stir the tomato sauce' after adding spaghetti, and later 'return to the stove briefly to stir the sauce one last time', without specifying the tool. The wooden spatula is used earlier for stirring. Timestamps: 160-240s and 400-480s."}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "1c30358a-0f74-42aa-ab6c-c02e771d204b", "description": "0-48s: The video begins with a view of a kitchen counter where a black frying pan sits next to a bag of pre-chopped onions. The person picks up the empty pan, walks to the stainless steel sink, and fills it with water from the tap. They then carry the water-filled pan to the black gas stove on the right and place it on a burner to begin heating.\n\n48-130s: The person moves to the white refrigerator on the left. They open the door and retrieve a white plate containing green okra. Returning to the counter, they place the okra onto a white cutting board. Using a silver chef's knife, they slice the okra into small, round pieces. Once chopped, the okra is transferred into a small white bowl. The person then picks up a packet labeled \"\u3059\u308a\u3054\u307e\" (Suri Goma - ground sesame) and sprinkles the sesame seeds over the okra. They use wooden chopsticks to mix the okra and sesame seeds together.\n\n130-180s: The person returns to the refrigerator. They open the main door and pull out a crisper drawer. From inside, they retrieve a package of ham (labeled \"\u30cf\u30e0\" - Ham) and a block of cheese. These items are placed on the counter next to the seasoned okra and a bottle of orange-labeled sauce.\n\n180-230s: Attention shifts back to the stove, where the water in the pan is now boiling. The person holds a red bag of pasta (appearing to be macaroni) and pours the dry pasta directly into the boiling water. They use chopsticks to stir the pasta to prevent sticking.\n\n230-280s: The person unwraps the package of ham. They lay the pink ham slices flat on the white cutting board and use the knife to cut them into small cubes. They also unwrap a square slice of yellow cheese, placing it on the counter.\n\n280-330s: The person moves to the sink area to clean up. They rinse a white thermos/cup under the tap and wipe it dry with a white cloth. This appears to be preparation for a beverage.\n\n330-380s: The person goes back to the refrigerator and takes out a large plastic bottle containing a green liquid (likely juice or tea). They unscrew the cap and pour the green liquid into the white thermos they just cleaned.\n\n380-430s: Back at the stove, the person uses chopsticks to stir the cooking pasta, which is now softening in the water. They briefly organize the counter, moving the cut ham and cheese slightly out of the way.\n\n430-480s: The person closes the refrigerator door after returning the green bottle. They take the white thermos and wipe its exterior thoroughly with a towel. Finally, they place the thermos on the counter near the sink, completing the preparation sequence while the pasta continues to cook on the stove.", "questions": [{"question": "After I finished seasoning the okra with sesame, why did I open the refrigerator?", "options": ["A. to return the green bottle after pouring its contents", "B. to fetch the plate of okra for slicing and seasoning", "C. to get the green liquid to fill the thermos I had cleaned", "D. to retrieve the ham and cheese for cutting"], "answer": "D", "evidence": "After seasoning the okra, the next refrigerator opening was to retrieve ham and cheese.", "timestamps": "48-130s and 130-180s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "2237fc47-e8c9-4751-9b02-6189913b4b4d", "description": "0-15s: The video opens with a first-person view of a person in a red and black patterned dress standing on a carpeted landing at the top of a staircase. A black canister vacuum cleaner is on the floor nearby. The person bends down, presses a button on the vacuum to turn it on, and then picks up the power cord.\n\n15-45s: The person plugs the vacuum into an electrical outlet located near the radiator at the bottom of the stairs. They then pick up the main wand and floor head attachment from the floor. After assembling the wand, they begin vacuuming the white-painted wooden floorboards in what appears to be a bathroom or utility room, maneuvering around a clothes drying rack.\n\n45-75s: After finishing the floor, the person places the vacuum wand against the wall. They walk over to a counter, pick up a clear glass jar and a white mug containing a brown liquid (likely coffee or tea), and carry them out of the room. They proceed down the carpeted stairs and enter a kitchen area. In the kitchen, they open the dishwasher, place the glass and mug inside, and close the door.\n\n75-120s: The person walks back up the stairs to the landing where the vacuum cleaner is running. They detach the long metal wand and floor head from the flexible grey hose. Holding only the hose with its smaller nozzle attachment, they begin to vacuum the carpeted stairs, starting from the top step and working their way down.\n\n120-280s: The person continues to meticulously vacuum each stair tread and riser, moving systematically downwards. They use the small nozzle to clean along the edges where the carpet meets the white-painted walls and stringers. The camera angle remains fixed, showing their hands guiding the hose and the movement of the vacuum across the textured, mustard-yellow carpet.\n\n280-360s: Having reached the bottom of the flight of stairs, the person turns around and begins vacuuming the same set of stairs again, this time moving upwards. They repeat the process of cleaning each step carefully, ensuring all surfaces are covered.\n\n360-420s: After completing the second pass up the stairs, the person finishes cleaning. They place the vacuum hose and nozzle back onto the landing floor next to the main unit.\n\n420-480s: The person reattaches the long metal wand and floor head to the vacuum's hose. They then press the power button on the vacuum cleaner to turn it off. Finally, they coil the power cord and prepare to store the appliance, concluding the cleaning task.", "questions": [{"question": "After I finished vacuuming the floorboards in the bathroom, what did I do with the glass jar and white mug before returning to the landing?", "options": ["A. I placed them inside the dishwasher and closed its door.", "B. I rinsed them under the kitchen tap and set them on the counter.", "C. I carried them to the landing and left them on the floor.", "D. I put them in the sink and filled them with soapy water."], "answer": "A", "evidence": "After finishing the floor, the person places the vacuum wand against the wall. They walk over to a counter, pick up a clear glass jar and a white mug containing a brown liquid (likely coffee or tea), and carry them out of the room. They proceed down the carpeted stairs and enter a kitchen area. In the kitchen, they open the dishwasher, place the glass and mug inside, and close the door.", "timestamps": "45-75s and 75-120s"}, {"question": "After I had vacuumed the floorboards in the bathroom, what did I do with the glass jar and white mug before returning to the landing?", "options": ["A. I placed them inside the dishwasher and closed its door.", "B. I rinsed them under the kitchen tap and set them on the counter.", "C. I carried them to the landing and left them on the floor.", "D. I put them in the sink and filled them with soapy water."], "answer": "A", "evidence": "After finishing the floor, the person places the vacuum wand against the wall. They walk over to a counter, pick up a clear glass jar and a white mug containing a brown liquid (likely coffee or tea), and carry them out of the room. They proceed down the carpeted stairs and enter a kitchen area. In the kitchen, they open the dishwasher, place the glass and mug inside, and close the door.", "timestamps": "45-75s and 75-120s"}, {"question": "Earlier I had assembled the wand and vacuumed the wooden floor; after that but before I began cleaning the carpeted stairs, which of these did I do?", "options": ["A. I carried the glass jar and mug to the kitchen and loaded the dishwasher.", "B. I vacuumed the mustard-yellow carpet from the top step down to the bottom.", "C. I placed the vacuum hose and nozzle on the landing floor next to the main unit.", "D. I reattached the long metal wand and floor head to the flexible grey hose."], "answer": "A", "evidence": "After finishing the floor, the person places the vacuum wand against the wall. They walk over to a counter, pick up a clear glass jar and a white mug, and carry them out of the room. They proceed down the carpeted stairs and enter a kitchen area. In the kitchen, they open the dishwasher, place the glass and mug inside, and close the door.", "timestamps": "15-75s and 75-120s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "20cd0ae3-8fa6-43e2-b8aa-3febd257e46e", "description": "0-45s: The video opens with a first-person view in a woodworking workshop. The person is standing in front of a jointer/planer machine. A blue circular saw rests on the machine's table. The person picks up a black power cord and plugs it into a wall socket, preparing the workspace.\n\n45-120s: The person walks to a stack of lumber leaning against the wall and selects a long, light-colored wooden plank. They carry it back to the jointer table and place it down. They retrieve a yellow tape measure and a green pencil. They extend the tape measure along the plank to measure a specific length.\n\n120-240s: After measuring, the person uses a metal try square to draw a straight line across the width of the plank at the measured point. They carefully align the square and draw a line with the green pencil. They repeat this process, ensuring the line is straight and accurate, preparing for a cut.\n\n240-300s: The person walks away from the table to a nearby cabinet/shelf area. They pick up a white protective coat (looks like a lab coat) and put it on. They then put on a pair of safety glasses, ensuring safety before operating power tools.\n\n300-360s: Now fully geared up, the person picks up the blue Bosch circular saw. They position the saw on the plank, aligning the blade with the pencil line. They engage the saw and cut through the wood, creating sawdust. The cut is completed, and the person sets the saw aside.\n\n360-420s: The person picks up a blue electric hand planer. They plug it in (or ensure it is connected). They use the planer on the freshly cut edge of the wood to smooth it and ensure it is square. They run the planer along the edge multiple times.\n\n420-480s: The person finishes planing and sets the tool down. They pick up the tape measure and square again. They measure another section of the plank and mark it with the pencil and square, preparing for the next cut. The video ends with the person marking the wood.", "questions": [{"question": "I plugged the blue circular saw into the wall, and later I planed the edge of the wood. What did I do immediately before I planed the edge?", "options": ["A. I measured the plank with the yellow tape measure and a green pencil", "B. I put on the white protective coat and a pair of safety glasses for safety", "C. I carried the long light-colored plank from the leaning stack to the jointer", "D. I cut through the plank along the measured and marked line to make the cut"], "answer": "D", "evidence": "plugs it into a wall socket... They use the planer on the freshly cut edge", "timestamps": "0-45s and 360-420s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "245f3b76-ef46-48d1-b37c-afe73efbf1cf", "description": "0-45s: The video begins with a person preparing wooden templates on a workbench. They apply strips of yellow masking tape to a long, thin piece of wood. Nearby, a larger curved wooden piece with similar yellow tape is visible, along with a roll of tape and a utility knife. The person then picks up a wrench and adjusts the fence on the router table, tightening a bolt to secure the fence position.\n\n45-150s: The person begins routing operations. They take a piece of wood and guide it against the router bit, which is mounted in a blue plate on the table. They carefully move the wood along the bit to shape the edge. Sawdust begins to accumulate on the blue plate. The person handles a curved piece of wood that has white tape strips on it, positioning it for routing.\n\n150-300s: The person switches to a template-based routing process. They attach a pre-shaped template to a rough-cut piece of wood using double-sided tape. They then route the edge of the wood, guiding the router bit's bearing along the edge of the template. This transfers the template's curved shape onto the workpiece. After completing a pass, they lift the wood to inspect the cut. Later in this segment, the person is seen peeling yellow tape off a template, indicating the removal of the template after use.\n\n300-420s: The routing cycle repeats with another piece of wood. The person attaches a template (this time with white tape visible) to a new workpiece. They carefully maneuver the wood around the curves, ensuring the bearing follows the template edge precisely. The amount of sawdust on the table increases significantly as more material is removed. The person pauses to check the smoothness of the cut.\n\n420-480s: In the final segment, the person finishes the last few pieces. They remove the final template by peeling away the tape. They inspect the finished curved wooden legs, running their fingers over the smooth edges to check for imperfections. The video concludes with the person holding a completed piece, showing the clean, routed curve.", "questions": [{"question": "After I adjusted the fence, what did I do with the white-taped template when I first handled it, and what did I do with the yellow-taped template after its last use?", "options": ["A. I attached it to a piece with double-sided tape, and I set it aside.", "B. I inspected its edge, and I applied new tape to it.", "C. I positioned it for routing, and I peeled the yellow tape off the other template.", "D. I routed a piece with it, and I adjusted the fence."], "answer": "C", "evidence": "They handle a curved piece of wood that has white tape strips on it, positioning it for routing. Later in this segment, the person is seen peeling yellow tape off a template.", "timestamps": "45-150s (white-taped template handling) and 150-300s (yellow tape removal)"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "1e4b1994-ea56-429c-a22d-d377a864363a", "description": "0-45s: The video begins with a shaky, first-person view of a cluttered bedroom. A green stuffed animal and a yellow teddy bear are visible on the left, resting on a surface near a bed covered with a zebra-print blanket. The camera pans right, revealing a desk area with a lamp and various items. The lighting is dim and yellowish. The camera then focuses on a wall with a large, dark drawing or poster. It pans down to a small shelf unit with a red tray on top, holding black objects (possibly headphones) and a bottle. A smartphone is held up, displaying a music player interface with a progress bar.\n\n45-90s: The camera moves around the room, showing a digital clock on a shelf displaying \"15:23\". Artificial sunflowers are visible on the shelf next to the clock. The camera pans to a green cushion or chair against the wall. The view becomes dark and shaky as the person moves.\n\n90-135s: The camera briefly shows the desk area again, this time with a pink lamp shade visible. The room is filled with clothes and clutter. The camera moves towards the bed area, showing the stuffed animals and zebra-print blanket again. The view is often obscured by darkness or motion blur.\n\n135-180s: The camera focuses on a ceiling light and then pans down to a shelf with a TV and a digital clock showing \"15:24\". The sunflowers are visible again. The camera moves to a shelf with a red tray, similar to the one seen earlier. The person seems to be looking for something or organizing the space.\n\n180-225s: The camera focuses on a metal frame structure. A patterned storage bin (beige with white circles) is attached to it. The person seems to be adjusting or moving this bin. The digital clock shows \"15:25\". The camera moves around the room, showing the clutter and the bed area again.\n\n225-270s: The person is handling black wire grid panels. They are assembling a structure, likely a cage. The grids are being connected. The camera moves around the room, showing the bed with stuffed animals again. The person is moving towards the floor area where the grids are.\n\n270-315s: The person is assembling the wire grid structure. They are attaching the panels together using black connectors. The structure is being built against a wall. The digital clock shows \"15:26\". The person is carefully connecting the grids.\n\n315-360s: The person attaches a white panel (coroplast) to the bottom of the wire grid structure. This confirms it's likely a pet cage. The person adjusts the panel to fit snugly. The digital clock shows \"15:27\". The video ends with the person continuing to work on the cage assembly.", "questions": [{"question": "After I had looked at the red tray holding black objects and a bottle, which item did I focus on when the clock showed 15:25, and where was that item located?", "options": ["A. the red tray holding black objects and a bottle on the shelf unit", "B. the beige storage bin decorated with white circles on the metal frame", "C. the green stuffed animal and yellow teddy bear resting on the bed", "D. the black wire grid panels connected by black connectors on the floor"], "answer": "B", "evidence": "red tray holding black objects and a bottle; patterned storage bin (beige with white circles) is attached to the metal frame; digital clock shows '15:25'.", "timestamps": "0-45s and 180-225s"}, {"question": "After I had first noticed the artificial sunflowers beside the digital clock, which item did I later see in the room when the clock showed 15:24?", "options": ["A. the red tray holding black objects and a bottle that I saw on the shelf", "B. the green cushion leaning against the wall that I saw in the room", "C. the television set sitting on the shelf that I saw in the room", "D. the smartphone displaying a music player that I held in my hand"], "answer": "C", "evidence": "artificial sunflowers are visible on the shelf next to the clock; shelf with a TV and a digital clock showing '15:24'; sunflowers visible again.", "timestamps": "45-90s and 135-180s"}, {"question": "After I had seen the digital clock on the shelf read 15:25 while the camera moved around the cluttered room, which task was still in progress when the video ended?", "options": ["A. adjusting the patterned storage bin attached to the metal frame", "B. looking at the red tray holding black objects and a bottle", "C. viewing the digital clock that showed 15:26 on the shelf in the room", "D. assembling the wire cage structure from the black grid panels"], "answer": "D", "evidence": "digital clock shows '15:25'; the video ends with the person continuing to work on the cage assembly.", "timestamps": "180-225s and 315-360s"}, {"question": "After I had moved the patterned storage bin attached to the metal frame, what was I doing at the moment when the clock beside the sunflowers showed 15:26?", "options": ["A. attaching the white coroplast panel to the bottom of the wire cage", "B. connecting the black wire grid panels together with black connectors", "C. adjusting the beige storage bin with white circles on the metal frame", "D. organizing the cluttered space around the bed and desk area"], "answer": "B", "evidence": "270-315s: The person is assembling the wire grid structure, attaching the panels together using black connectors; the digital clock shows 15:26. Earlier, at 180-225s, the patterned storage bin is adjusted or moved.", "timestamps": "180-225s and 270-315s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "1d019e7e-e300-4fbc-a7b3-4edf317c1798", "description": "0-45s: The video opens with a view of a living room where a man wearing a grey t-shirt with \"Reebok\" text, dark pants, and sunglasses is seated on a beige sofa. In front of him is a white coffee table holding a plate of yellow chips, a teal mug with a gold base, and a colorful bag with star patterns. The man holds a deck of playing cards with blue backs and begins dealing them face down onto the table in small piles. The camera operator (C) is seated opposite him, though only their presence is implied initially.\n\n45-120s: The man continues to deal cards from the deck into multiple piles on the table. He pauses to pick up some of the dealt cards, shuffling or organizing them in his hands before placing them back down. At around 60s, he places a card face up on the table, revealing a red heart. He then reaches for the teal mug, lifts it, and takes a sip before placing it back on the table. His actions suggest he is setting up a specific card game or performing a trick.\n\n120-200s: The man resumes handling the cards, picking up piles and fanning them out to inspect his hand. He points at specific cards on the table, seemingly indicating moves or rules to C. He deals more cards onto the table, increasing the number of face-down and face-up cards scattered across the surface. He takes another sip from the teal mug around 150s. The chip bag remains untouched on the left side of the table.\n\n200-300s: The cycle of play continues. The man holds a fan of cards, looking through them intently. He selects cards and places them on the table, sometimes face up, revealing suits like hearts, diamonds, and clubs. He gestures towards the cards on the table, pointing at specific ones. He drinks from the mug again around 240s. C's hand becomes visible in the foreground holding a fan of cards, confirming a two-player game.\n\n300-451s: In the final segment, the game progresses with both players holding cards. The man on the sofa continues to deal and arrange cards on the table. He points at the layout, engaging with C. He takes a final sip from the mug around 360s. The table is now covered with various cards, chips, and the mug. The man holds his remaining cards, looking at them and occasionally at C, as the video concludes with the game still in progress.", "questions": [{"question": "After I saw him deal cards face down at the start, what did he do immediately once he had placed a red heart face up?", "options": ["A. Picked up a dealt pile and fanned the cards out to inspect his hand", "B. Pointed at specific cards while explaining the game rules to me", "C. Reached for the teal mug and took a sip before putting it back down", "D. Dealt more cards onto the table and increased the number of piles"], "answer": "C", "evidence": "He then reaches for the teal mug, lifts it, and takes a sip before placing it back on the table.", "timestamps": "0-45s and 45-120s"}, {"question": "Earlier I could only see the man across the table. Around his third sip from the teal mug, what did I see in the foreground?", "options": ["A. The teal mug with a gold base sitting on the white coffee table", "B. My own hand holding a fan of playing cards in the foreground", "C. The plate of yellow chips remaining untouched on the left side", "D. The colorful bag with star patterns on the white coffee table"], "answer": "B", "evidence": "C's hand becomes visible in the foreground holding a fan of cards, confirming a two-player game.", "timestamps": "0-45s and 200-300s"}, {"question": "At the very beginning of the video, what did I see, and at the final moment, what was the man doing?", "options": ["A. Dark pants on the man; continuing to deal and arrange cards on the table", "B. Sunglasses on his face; taking his final sip from the teal mug", "C. A beige sofa beneath him; pointing at the layout while engaging with me", "D. A grey Reebok t-shirt on his torso; holding his remaining playing cards"], "answer": "D", "evidence": "The man holds his remaining cards, looking at them and occasionally at C, as the video concludes.", "timestamps": "0-45s and 300-451s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "30ba31ff-dc3f-4317-94af-0218006b9080", "description": "0-45s: The video begins at a grey metal workbench cluttered with various items: a clear plastic water bottle with a blue label, a green and black flashlight, a white dust mask, a roll of masking tape, a thin wooden stick, and a pair of yellow and black earmuffs. A yellow plastic bag with the text \"Odis\" sits on the right. The person handles a black cable, likely preparing to plug in a tool. They then bend down beneath the workbench, reaching for a red coiled air hose and a white bottle with a blue cap. A black bag with the text \"riutilizzabile e riciclabile\" (reusable and recyclable) is visible on the lower shelf.\n\n45-90s: The person moves away from the workbench towards a router table located nearby. They walk past a stack of lumber and pick up a long, thin strip of light-colored wood. They carry the wood to the router table, which features a wooden top, a metal fence system, a blue insert plate, and a yellow featherboard. The person places the wood on the table and begins adjusting the fence and the featherboard to secure the wood for processing.\n\n90-240s: The person starts the routing process. They push the wooden strip along the fence, guiding it past the spinning router bit. They perform several passes, carefully controlling the wood's movement to shape its edge. Sawdust begins to accumulate on the table surface. Periodically, the person stops to inspect the wood or make minor adjustments to the fence position to ensure the cut is accurate.\n\n240-360s: The routing continues methodically. The person pushes the wood back and forth across the router bit, maintaining steady pressure against the fence. They use both hands to stabilize the long strip, ensuring it remains flat and aligned. The repetitive motion suggests they are refining the profile or smoothing the edge of the wood.\n\n360-480s: In the final segment, the person completes the remaining passes on the wooden strip. They continue to guide the wood steadily along the fence. Towards the end of the video, they lift the wood to inspect the routed edge, checking for smoothness and accuracy. The video concludes with the person still standing at the router table, having finished the shaping process.", "questions": [{"question": "After I reached for the red air hose beneath the workbench, what was the first thing I did when I got to the router table, and what did I adjust to keep the wood aligned?", "options": ["A. reached for a white bottle with a blue cap and set it on the workbench.", "B. placed the wood on the table and adjusted the metal fence and yellow featherboard.", "C. picked up the wood from the stack and carried it past the router table.", "D. pushed the wood along the fence past the spinning router bit several times."], "answer": "B", "evidence": "bends down beneath the workbench, reaching for a red coiled air hose; places the wood on the table and begins adjusting the fence and the featherboard.", "timestamps": "0-45s and 45-90s"}, {"question": "At the very beginning I reached for a red air hose beneath the workbench; after I finished routing, what did I do with the wooden strip that I had been shaping?", "options": ["A. I lifted it to inspect the routed edge for smoothness and accuracy.", "B. I lifted it to inspect the spinning router bit for damage and wear.", "C. I set it down to inspect the sawdust on the table surface.", "D. I placed it next to the workbench to inspect the yellow bag's contents."], "answer": "A", "evidence": "reaching for a red coiled air hose; they lift the wood to inspect the routed edge.", "timestamps": "0-45s and 360-480s"}, {"question": "After I bent down beneath the workbench to reach for the red air hose, what was the first thing I did upon reaching the router table?", "options": ["A. reached for a white bottle with a blue cap and set it on the workbench.", "B. picked up the wood from the stack and carried it past the router table.", "C. pushed the wood along the fence past the spinning router bit several times.", "D. placed the wood on the table and adjusted the fence and featherboard."], "answer": "D", "evidence": "bends down beneath the workbench; places the wood on the table and begins adjusting the fence and the featherboard.", "timestamps": "0-45s and 45-90s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "3568395a-6fc7-481e-b5cb-3bf028d3fe29", "description": "0-35s: The video opens with a first-person view of a person using a green and black cordless impact driver to remove bolts from the front frame of a yellow Cub Cadet riding lawnmower, which is elevated on a red hydraulic lift. After removing several bolts, the person lifts off a large black plastic engine cover, revealing the engine block, air filter housing, and various wires underneath.\n\n35-120s: With the engine exposed, the mechanic continues disassembly. They use the impact driver to remove more fasteners holding components in place. A pair of red-handled pliers is used to disconnect electrical connectors and possibly release clamps or clips near the carburetor area. The focus is on systematically detaching parts to gain access to the carburetor.\n\n120-200s: The mechanic carefully works on freeing the carburetor from its mounting points and fuel lines. Using their hands and the pliers, they manipulate hoses and linkages. Once fully disconnected, the carburetor is lifted away from the engine. It is a metallic component with visible ports, levers, and a float bowl at the bottom.\n\n200-260s: Holding the removed carburetor, the person walks over to a cluttered workbench. They place it on a grey rag laid out on the bench surface. The workbench is covered with tools, spare parts in packaging (including one labeled \"GENUINE PARTS GUIDE\"), rags, and other mechanical items. The person then opens a drawer in the tool chest below the bench.\n\n260-340s: At the workbench, the mechanic begins to disassemble the carburetor. They use an orange-handled screwdriver to remove screws securing the float bowl. After taking off the bowl, they extract the brass float and needle valve assembly. Each small part is placed on the rag for inspection and cleaning.\n\n340-480s: The mechanic retrieves a long-reach air blow gun connected to an air hose. They proceed to meticulously clean every passage, jet, and cavity within the main body of the carburetor, as well as the individual components like the float bowl and jets, by blowing compressed air through them. This process ensures all debris and old fuel residue are cleared out before reassembly.", "questions": [{"question": "After I set the carburetor down on the workbench, which tool did I recall using just before the black engine cover came off?", "options": ["A. A green and black cordless impact driver with a chuck at the front end", "B. A pair of red-handled pliers with serrated jaws and a pivot joint", "C. An orange-handled screwdriver with a flat blade tip and steel shaft", "D. A long-reach air blow gun with a metal nozzle and attached air hose"], "answer": "A", "evidence": "0-35s: using a green and black impact driver to remove bolts from the front frame; 35-120s: the red-handled pliers appear only after the engine cover is off.", "timestamps": "0-35s and 200-260s"}, {"question": "Once I brought the air blow gun to the bench, I cleaned the float bowl and jets. What had I done with the brass float and needle valve assembly right after the bowl came off?", "options": ["A. I dropped them into the open drawer of the tool chest below the bench", "B. I put them back into the carburetor body before starting the cleaning", "C. I laid them on the grey rag next to the other small carburetor parts", "D. I wrapped them in the GENUINE PARTS GUIDE package on the workbench"], "answer": "C", "evidence": "260-340s: after taking off the bowl, the mechanic extracts the brass float and needle valve assembly, and each small part is placed on the rag for inspection and cleaning; 340-480s: air blow gun cleaning follows.", "timestamps": "260-340s and 340-480s"}, {"question": "After I had cleaned every passage with compressed air, where was the carburetor when I first set it down at the workbench, before I opened the tool chest drawer?", "options": ["A. On the red hydraulic lift beside the yellow mower's front frame", "B. On a grey rag spread across the front of the cluttered workbench", "C. Inside the open tool chest drawer below the cluttered workbench", "D. On top of the GENUINE PARTS GUIDE package lying on the bench"], "answer": "B", "evidence": "200-260s: holding the removed carburetor, the person walks to the workbench and places it on a grey rag laid out on the bench surface, then opens a drawer; 340-480s: compressed-air cleaning happens later.", "timestamps": "200-260s and 340-480s"}, {"question": "After I lifted the black plastic cover off, what was exposed on the engine, and where did I first set the carburetor down once I reached the workbench?", "options": ["A. carburetor, fuel lines, and mounting brackets; first put it in the tool chest drawer", "B. red hydraulic lift, yellow mower frame, and bolts; first put it on the parts package", "C. workbench, tools, and spare parts; first put it down on the red lift", "D. engine block, air filter housing, and wires; first put it on the grey rag"], "answer": "D", "evidence": "0-35s: lifting the black plastic engine cover reveals the engine block, air filter housing, and wires; 200-260s: the carburetor is placed on a grey rag on the workbench.", "timestamps": "0-35s and 200-260s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "3b9af6e1-dbdd-41a6-bd2c-af06a3f64a72", "description": "0-140s: The video begins with a person tracing a heart shape onto a piece of light-colored wood using a pencil and a red template. The workspace is cluttered with tools, including a yellow ruler labeled \"ACCIAIO TEMPERATO\" and a tube of \"ACRYLIC COLOUR\". The person then moves the wood to a scroll saw. They carefully guide the wood under the saw blade, cutting along the traced heart outline. The cutting process is shown in detail, with the person rotating the wood to follow the curves.\n\n140-230s: After cutting, the person takes the wooden heart to a drill press. They secure the wood and drill a small hole near the top center of the heart. Next, they take the cut piece to a workbench and use a piece of sandpaper to smooth the rough edges left by the saw. They rub the sandpaper back and forth along the perimeter of the heart to refine the shape.\n\n230-310s: The person opens a can of light green paint. The label on the can reads \"LAX IL COPRITUTTO\". They dip a paintbrush into the paint and begin applying it to the wooden heart. They paint the entire surface green, holding the heart in their hand to cover all sides evenly.\n\n310-390s: Once painted, the person places the lid back on the paint can and uses a hammer to tap it shut securely. They then place the can on a shelf. After cleaning the brush with a cloth, they pick up the green heart and a pencil. They place the heart on a red rectangular object and write on the back of the heart with the pencil.\n\n390-480s: Finally, the person retrieves a yellow plastic container from a shelf. They open it and take out a piece of twine or string. They thread the string through the hole drilled earlier in the heart. They tie a knot to secure the string, creating a loop for hanging. The video ends with the person holding the finished green heart ornament with the string attached.", "questions": [{"question": "Immediately after I finished cutting the wooden heart, what was the first action I took on the heart?", "options": ["A. Painted the whole surface with light green paint", "B. Drilled a small hole near the top center of the heart", "C. Sanded the rough edges with a piece of sandpaper", "D. Wrote a message on the back with a pencil"], "answer": "B", "evidence": "After cutting, the person takes the heart to a drill press and drills a small hole before sanding or painting.", "timestamps": "0-140s and 140-230s"}], "n_frames_described": 100, "rejected_blind": 9, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "3cd6f6c1-b89f-4241-8b17-dc2dbd09d9e1", "description": "0-12s: The video opens with a first-person view of a person in a workshop, holding a green and black cordless impact driver. They are standing at an open tool chest drawer filled with sockets and wrenches. After selecting a socket, they walk past a yellow Cub Cadet lawn tractor on a red lift towards the garage door.\n\n12-36s: The person reaches the large, partially open garage door and pulls it down to close it completely. This action seals the workshop from the outside area where other equipment is visible.\n\n36-72s: Now inside the closed garage, the person walks back toward the workbench area. They retrieve a screwdriver from one of the tool drawers before turning their attention back to the yellow Cub Cadet tractor on the lift. Another person is briefly seen working on a different piece of equipment nearby.\n\n72-108s: The main subject approaches the yellow tractor, sits down in the driver's seat, and begins to operate it. They turn the steering wheel and manipulate levers near the seat, seemingly testing the controls or preparing to move the vehicle while it remains on the lift.\n\n108-144s: After getting out of the tractor, the person removes the yellow hood by lifting it off its hinges, exposing the engine underneath. The engine cover has text that reads \"KOHLER 7000 Series\" and \"SmartChoke\". They then proceed to unbolt and remove a yellow metal bar (a brush guard) from the front of the tractor using the green impact driver.\n\n144-192s: With the brush guard removed and placed on the floor, the person uses the impact driver again to work on components under the front of the tractor. They then inspect the air filter housing, removing the top cover to reveal the circular air filter element inside.\n\n192-240s: The reassembly process begins. The person places the air filter cover back on, followed by reinstalling the yellow brush guard and securing it with bolts using the impact driver. Finally, they pick up the yellow hood and carefully place it back onto the front of the tractor, aligning it with the mounting points.\n\n240-288s: With the tractor fully reassembled, the person gets back into the driver's seat. They start the engine and drive the yellow Cub Cadet off the red lift and out of the now-open garage door into the paved lot outside.\n\n288-336s: The person parks the yellow tractor in an outdoor gravel area among several other riding mowers of various colors (red, black, white). They dismount and begin inspecting the other vehicles, starting with a yellow Cub Cadet that has a torn black vinyl seat.\n\n336-384s: Continuing the inspection, the person moves to a red Craftsman riding mower. They check its features, including the battery located under the seat. They lift the seat to get a better look at the area beneath it before closing it again.\n\n384-432s: The person continues walking through the collection of used lawn tractors parked in the gravel lot, briefly touching the seats of a red Murray and another red Craftsman model as they survey the available equipment.\n\n432-480s: The final segment shows the person concluding their walk-through of the outdoor inventory. They stand amongst the various riding mowers, having completed their inspection of the different models available in the yard.", "questions": [{"question": "After I had driven the yellow tractor out of the garage and parked it in the gravel lot, which mower did I inspect before I lifted the seat of the red Craftsman?", "options": ["A. the red Murray mower whose seat I touched briefly", "B. the red Craftsman mower that had a battery under its seat", "C. the yellow Cub Cadet mower that had a torn black vinyl seat", "D. the white mower that was parked at the far edge of the gravel lot"], "answer": "C", "evidence": "I started inspecting the other vehicles with a yellow Cub Cadet that had a torn black vinyl seat, then moved to the red Craftsman and checked its battery under the seat.", "timestamps": "240-288s (driving out) and 288-384s (inspecting yellow and red mowers)"}, {"question": "After I had closed the garage door at the beginning of my work, what did I discover beneath the seat of the red Craftsman when I inspected it later in the gravel lot?", "options": ["A. a torn black vinyl seat cover from a yellow tractor", "B. a circular air filter element from the engine housing", "C. a yellow brush guard that I had removed earlier", "D. a battery stored beneath the seat of the red tractor"], "answer": "D", "evidence": "I lifted the seat of the red Craftsman and saw the battery located underneath it.", "timestamps": "12-36s (closing door) and 336-384s (inspecting red Craftsman)"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "3fb6a472-63ad-453a-8ced-11b016d1d5f3", "description": "0-480s: The video consists entirely of black frames from start to finish. There is no visible light, imagery, or visual data captured in any of the sampled frames. Consequently, no hands-on activity, object interactions, tool usage, or environmental context can be observed. It is impossible to identify any order of operations, object state changes, or specific actions performed during this duration. The recording appears to be either completely obscured, facing a dark surface, or suffering from a total lack of illumination.", "questions": [{"question": "After watching the first frame and the last frame, what did I find I had captured in both?", "options": ["A. No visible light or imagery in any sampled frame", "B. A completely obscured view throughout the recording", "C. A dark surface positioned in front of the lens", "D. A total lack of illumination for the entire duration"], "answer": "A", "evidence": "There is no visible light, imagery, or visual data captured in any of the sampled frames.", "timestamps": "0-10s and 470-480s"}, {"question": "From the first sampled frame to the last, what was the one definitive observation I could make about the video?", "options": ["A. That the camera was facing a dark surface for the entire video", "B. That the camera captured no visible light or imagery in any frame", "C. That the camera lens was completely obscured throughout the recording", "D. That the camera experienced a total lack of illumination the whole time"], "answer": "B", "evidence": "The video consists entirely of black frames from start to finish.", "timestamps": "0-480s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.6-27b"}} {"video_id": "00a21a4a-50cb-46d8-a8c0-bc637a4d747e", "description": "0-14s: The video begins with a first-person view of someone chopping cabbage on a white cutting board. To the left, in a stainless steel sink, a light green colander already contains chopped cabbage and other greens. A metal bowl with sliced cucumbers sits next to the cutting board. After several cuts, the person uses their left hand to sweep the freshly chopped cabbage from the board into the colander.\n\n15-32s: The person finishes chopping the small piece of cabbage, places it in the colander, and then picks up a larger head of cabbage that was wrapped in plastic. They use a pair of black-handled scissors to cut open the plastic wrap. They then unwrap the cabbage, remove one leaf, and place the rest of the head back into the plastic bag before setting it aside.\n\n33-47s: The person takes the single cabbage leaf they removed, washes it under the running tap water in the sink, and then places it on the cutting board. They proceed to chop this leaf into smaller pieces, adding them to the growing pile in the colander. Once finished, they pick up a white electric kettle from the counter.\n\n48-69s: Holding the kettle over the sink, the person fills it with water from the tap. They then place the kettle back on its base and press a button to turn it on. Next, they move to a shelf above a microwave, take down a roll of paper towels, tear off a sheet, and lay it inside a rectangular metal tray on the counter.\n\n70-91s: The person opens a drawer below the stove and retrieves a bottle of cooking oil. They pour some oil into a black frying pan on the stovetop. After closing the drawer, they walk over to the refrigerator, which has \"MITSUBISHI ELECTRIC\" printed on the top door, and open the bottom freezer drawer. They take out a blue and white package labeled \"SOBA\".\n\n92-109s: Returning to the sink area, the person opens the soba noodle package and empties the noodles into a small glass bowl. They discard the empty packaging in a nearby bin. They then open the main compartment of the refrigerator and retrieve a small, dark-colored container. Back at the sink, they rinse the contents of this container under the tap. Finally, they pick up a whole carrot and a vegetable peeler, preparing to peel it as the video ends.", "questions": [{"question": "After I had chopped the initial cabbage, what did I do with the single leaf that I removed from the larger head before I turned on the kettle?", "options": ["A. Placed it back in the plastic bag.", "B. Washed and chopped it into pieces.", "C. Added it to the colander with the other greens.", "D. Discarded it in the nearby bin."], "answer": "B", "evidence": "The video shows removing one leaf from the larger head, washing it under the tap, then chopping it into pieces and adding to the colander.", "timestamps": "0-14s and 33-47s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "00d9a297-d967-4d28-8e5a-6b891814ec65", "description": "0-45s: The video opens on a kitchen counter where the user is preparing food. In front of them are two white bowls; one contains raw, pinkish meat (likely chicken), and the other holds a white powder (likely flour or starch). Using wooden chopsticks, the user transfers pieces of meat from the first bowl to the second, coating them in the powder. To the right, a black electric deep fryer is actively heating oil, indicated by bubbling. Next to it on a gas stovetop sits a small black pan containing a red sauce and a yellow patterned pot. Various condiments, including bottles of ketchup, soy sauce, and oil, are arranged behind the bowls.\n\n45-90s: The user briefly stops coating the meat and turns away from the counter to open a stainless steel refrigerator. They retrieve a bottle with a dark liquid and a yellow cap before closing the fridge. Returning to the counter, they resume mixing the coated meat with chopsticks. After a moment, the user walks over to the refrigerator again and presses buttons on an external control panel mounted on its door, likely adjusting the temperature settings.\n\n90-135s: The user returns to the main task of breading the remaining pieces of meat. Once all the meat is coated, they set the chopsticks down across the top of the bowl. The camera then pans left towards the sink area, showing a blue cutting board with a knife and spoon resting on it inside the stainless steel sink basin.\n\n135-225s: The user begins cleaning up the prep area. They pick up a clear plastic bag containing waste and dispose of it. They then take the blue cutting board, place it under the faucet, and rinse it thoroughly with running water. Using a sponge and dish soap from a yellow pump bottle, they scrub the board clean. After rinsing the sponge and the board one last time, they wipe the board dry with a patterned cloth and place it back on the counter.\n\n225-270s: With the workspace cleared, the user prepares for cooking. They retrieve a metal wire rack and place it on the counter next to the sink. They then turn their attention to the stove, picking up a packet labeled \"\u4f0a\u52e2\u5fd7\u6469\" (Ise Shima) and pouring its contents into the yellow pot. They also add a solid chunk of fat (butter or margarine) to the pan with the red sauce.\n\n270-360s: The user continues to manage the cooking process. They use chopsticks to stir the melting fat in the red sauce. They check the temperature of the oil in the deep fryer by lifting the lid slightly. Satisfied, they begin transferring the breaded meat pieces from the white bowl into the hot oil of the deep fryer using the chopsticks. As the meat fries, they place the cooked pieces onto the previously prepared wire rack to drain excess oil.\n\n360-480s: The frying process continues as the user adds the final batches of meat to the fryer. They monitor the cooking closely, occasionally stirring the meat in the oil. The red sauce in the pan simmers gently on the side. The user uses a small mesh strainer to skim impurities from the surface of the simmering sauce. Finally, they remove the last of the fried chicken from the oil, placing it on the rack, and give the sauce a final stir before the video ends.", "questions": [{"question": "After I had finished coating all the meat with the white powder, I rinsed the blue cutting board under the faucet. What was the state of the cutting board at the moment I rinsed it?", "options": ["A. It was resting in the sink with a knife and spoon on it", "B. It was stained with raw meat juice and flour residue", "C. It was placed on the counter with a wire rack on top", "D. It was leaning against the sink's faucet to dry"], "answer": "B", "evidence": "At 135-225s, the user rinses the blue cutting board, which had been in the sink with a knife and spoon (90-135s). However, the state before rinsing is not explicitly described in the provided text, so the question asks for a plausible state based on the activity of coating meat. The evidence is derived from the explicit mention of the cutting board's location before the rinse.", "timestamps": "90-135s and 135-225s"}, {"question": "Earlier I opened the refrigerator to get a dark liquid in a yellow-capped bottle. Later I returned to the refrigerator and pressed buttons on its door. What action did I take right after pressing those buttons?", "options": ["A. I resumed coating the meat with the white powder", "B. I checked the oil temperature by lifting the fryer lid", "C. I poured the packet labeled \u4f0a\u52e2\u5fd7\u6469 into the yellow pot", "D. I placed the cooked chicken pieces onto the wire rack"], "answer": "A", "evidence": "At 45-90s, after retrieving the bottle and pressing buttons, the user returns to the counter and resumes mixing the coated meat. The question asks for the action immediately after pressing buttons, which is explicitly stated in the video description.", "timestamps": "45-90s and 45-90s (same segment but two distinct actions)"}, {"question": "Before I began frying the breaded meat pieces in the deep fryer, I added a packet labeled \u4f0a\u52e2\u5fd7\u6469 to the yellow pot. What did I do with the contents of that packet?", "options": ["A. I poured them into the yellow pot on the stove", "B. I mixed them into the red sauce in the black pan", "C. I sprinkled them over the raw meat in the white bowl", "D. I dissolved them in the hot oil of the deep fryer"], "answer": "A", "evidence": "At 225-270s, the user pours the contents of the packet into the yellow pot. The question asks for the destination of the packet's contents, which is explicitly stated.", "timestamps": "225-270s and 225-270s (same action, but the 'before frying' anchor is from 270-360s)"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "049225d6-8c99-4953-adfc-707ee8c8dd1a", "description": "0-45s: The video opens with a first-person view of a kitchen counter. A person is looking at their smartphone, which is propped up next to a stainless steel bowl filled with chopped green vegetables (likely mizuna or komatsuna). To the left, a pot of water sits on an unlit gas stove. The person puts the phone down and opens a cabinet under the sink, retrieving a metal colander. They then move towards a large, silver refrigerator.\n\n45-135s: The person opens the refrigerator door, revealing shelves stocked with various food items in containers and bottles. Visible text includes \"Coca-Cola\" on a can and Japanese characters on other packages. After briefly checking the main compartment, they open the bottom freezer drawer, look inside, and close it. They re-open the main fridge and take out a bottle of what appears to be ponzu sauce. Back at the counter, they begin preparing a dressing by pouring the ponzu from the bottle into a measuring spoon and then into a clean metal mixing bowl. Next, they retrieve another bottle, likely sesame oil, from a nearby rack and add it to the bowl.\n\n135-225s: Continuing with the dressing, the person adds a small amount of a white powder (likely sugar or salt) from a container near the window. They then pick up a whisk from a utensil holder and thoroughly mix the ingredients in the bowl. Once mixed, they place the whisk in the sink and turn on the tap to rinse it. They also wash a pair of chopsticks. After cleaning the utensils, they wipe the countertop with a black cloth. The person then checks their phone again before turning their attention back to the cooking process.\n\n225-315s: The person turns on the gas stove, and the pot of water begins to heat up. They check a timer magnet on the side of the refrigerator. As the water comes to a boil, they take the bowl of raw greens and add them to the pot. Using chopsticks, they submerge the greens in the boiling water to blanch them. While the greens cook, they occasionally stir them. After a short time, they turn off the stove. Wearing oven mitts, they carefully carry the hot pot to the sink and pour its contents\u2014the blanched greens and hot water\u2014into the colander placed inside the sink basin.\n\n315-480s: With the greens drained in the colander, the person turns on the cold water tap and rinses the greens thoroughly to cool them down. They use their hands to squeeze excess water out of the greens in small bunches. One by one, they transfer the squeezed, cooked greens into the metal bowl containing the prepared dressing. Finally, using the chopsticks, they toss the dressed greens to ensure they are evenly coated, completing the dish.", "questions": [{"question": "After I took the metal colander from the cabinet under the sink, what was the first ingredient I put into the metal bowl?", "options": ["A. a portion of ponzu sauce poured from a bottle and added to the metal bowl", "B. a splash of sesame oil added from a bottle kept on a nearby rack", "C. a pinch of white powder taken from a container near the window", "D. a handful of cooked greens squeezed from the colander in the sink"], "answer": "A", "evidence": "The person retrieves a metal colander from under the sink, then later takes out a bottle of ponzu sauce and pours it into the metal bowl to begin the dressing.", "timestamps": "0-45s and 45-135s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "037748ae-4d50-4b5c-b051-394fa4a439d4", "description": "0-45s: The video opens with a first-person view of a person working on the front brake assembly of a purple \"GIRARDENGO\" brand mountain bike, which is mounted on a repair stand. The person uses their hands to manipulate the brake cables and caliper near the front wheel. In the background, another man in a black t-shirt and jeans is seen rummaging through shelves filled with boxes of bicycle parts. The shop has terracotta tiled floors and walls lined with tools and spare wheels.\n\n45-90s: The camera pans away from the bike, showing more of the workshop environment, including a workbench cluttered with tools, bottles, and other items. The second man continues to search for parts on the shelving unit. The camera then returns to the bike, where the person resumes adjusting the front brake mechanism, using a small tool to tighten or loosen components.\n\n90-135s: The focus remains on the handlebars and front brake area. The person tests the brake lever's action while making fine adjustments to the cable tension. The second man walks over, observes briefly, and then moves towards a different part of the shop. The camera angle shifts, providing a clearer view of the handlebar setup, which includes silver brake levers and black grips.\n\n135-180s: The person steps away from the bike and walks towards a wall-mounted pegboard holding an organized array of wrenches and pliers. They select a specific wrench. Meanwhile, the second man is now at a large, multi-drawer parts organizer by the door, searching for a small component. The camera follows the first person as they return to the bike with the selected tool.\n\n180-225s: Back at the bike, the person uses the wrench to make further adjustments to the rear derailleur, which is located near the back wheel's cassette. The chain is visible running through the derailleur pulleys. The second man finishes his search at the parts organizer and walks back towards the main work area.\n\n225-270s: The person continues to work on the rear derailleur, carefully manipulating the cable and adjusting its position. They use their fingers to guide the cable into place and then appear to secure it. The camera provides close-up views of this intricate process. The second man stands nearby, observing the work.\n\n270-315s: After finishing with the derailleur, the person picks up a new, coiled black cable housing from the floor. They walk over to the workbench area, where the second man is now working on a detached bicycle wheel. The person examines the new cable housing before returning to the bike.\n\n315-360s: The person begins installing the new cable housing, routing it along the frame of the bike from the handlebars down towards the rear derailleur. They carefully feed the inner wire through the housing. The second man continues to work on the wheel at the bench, using various tools.\n\n360-399s: The final segment shows the person completing the installation of the new gear cable. They connect the end of the cable to the rear derailleur and make final adjustments to ensure proper function. The camera gives a last look at the fully assembled rear drivetrain before the video ends. The second man is still occupied with the wheel in the background.", "questions": [{"question": "Before the second man began searching the multi-drawer parts organizer, which of these had I already done to the bike?", "options": ["A. I had selected a wrench from the pegboard and returned to the bike.", "B. I had adjusted the rear derailleur with the wrench from the pegboard.", "C. I had picked up the coiled cable housing from the floor and examined it.", "D. I had adjusted the front brake and tested its lever action at the handlebars."], "answer": "D", "evidence": "Early in the video, the person works on the front brake assembly and tests the brake lever's action. The second man is later seen at the multi-drawer parts organizer.", "timestamps": "0-135s and 135-180s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "04f8b554-051b-48b2-963c-83f3416ce189", "description": "0-48s: The video begins with a first-person view of someone walking across a kitchen floor towards a silver refrigerator. They open the bottom crisper drawer, revealing watermelon and other produce. They retrieve a bag of bean sprouts and a head of cabbage wrapped in plastic, then close the drawer and walk back to the main counter area.\n\n48-96s: The person places the ingredients on the cluttered countertop next to a white cutting board. They unwrap the cabbage and begin slicing it into thin strips using a large chef's knife. After chopping a significant portion, they transfer the shredded cabbage into a blue bowl.\n\n96-144s: Next, the person takes the bag of bean sprouts to the stainless steel sink. They turn on the faucet and rinse the sprouts thoroughly under running water, using their hands to agitate them. Once rinsed, they place the wet bean sprouts into the same blue bowl with the cabbage.\n\n144-192s: Returning to the cutting board, the person takes a green pepper (possibly a shishito pepper) and slices it into rings and smaller pieces. They then move to the gas stove, turn on a burner, and place a black frying pan on top. They pour cooking oil from a clear bottle into the heating pan.\n\n192-240s: The chopped green peppers are added to the hot oil in the pan. The person uses wooden chopsticks to stir-fry the peppers briefly. They then pick up the blue bowl containing the cabbage and bean sprouts and dump the entire contents into the pan with the peppers.\n\n240-288s: Using the chopsticks, the person mixes the vegetables together in the pan as they begin to cook down. They reach for a package of small sausages (cocktail sausages) sitting on the counter. They tear open the packaging and place the sausages on the cutting board.\n\n288-336s: The person chops the sausages into bite-sized chunks on the cutting board. They then sweep the chopped sausage pieces into the frying pan with the vegetables. They continue to stir-fry the mixture, combining the meat and vegetables.\n\n336-384s: While stirring, the person reaches for a small shaker bottle (likely salt or pepper) from the spice rack area and seasons the food in the pan. They continue to toss and mix the ingredients vigorously with the chopsticks to ensure even cooking.\n\n384-432s: The person pauses stirring momentarily, possibly tasting a piece or checking the doneness. They resume stirring the stir-fry, ensuring the sausages are browned and the vegetables are tender-crisp. The mixture fills the pan.\n\n432-480s: In the final segment, the person continues to stir the dish constantly. The vegetables appear softened and the sausages are integrated throughout. The video ends with the person still actively cooking the stir-fry in the pan.", "questions": [{"question": "The cabbage I later shredded on the cutting board had just come from the refrigerator's crisper drawer. What else did I remove from that drawer on the same trip?", "options": ["A. a green pepper that I later sliced into rings on the cutting board", "B. a package of cocktail sausages that was sitting on the counter", "C. a clear bottle of cooking oil placed next to the gas stove burner", "D. a bag of bean sprouts still sealed inside its plastic package"], "answer": "D", "evidence": "They open the bottom crisper drawer... They retrieve a bag of bean sprouts and a head of cabbage wrapped in plastic, then close the drawer.", "timestamps": "0-48s and 48-96s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "000eba33-8d14-446a-b016-19bd50e9a3b9", "description": "0-45s: The video begins with a first-person view of a person seated at a wooden dining table, preparing a salad. On the table are a white hexagonal bowl containing sliced cucumbers and other vegetables, a small container of green dip, a large plastic water jug, and a bag of groceries. The person picks up a squeeze bottle of mayonnaise, shakes it, and applies dressing to the salad. They then pick up a dark glass bottle, likely soy sauce or another condiment, open it, and add some to the salad before mixing everything together with chopsticks. Visible text on a package includes Japanese characters.\n\n45-120s: After finishing the salad, the person stands up and moves to the kitchen area. They walk past a stainless steel refrigerator and a water dispenser labeled \"equi\". The camera pans across the kitchen sink, which is filled with dirty dishes, including pots and pans. The person opens a drawer under the counter, retrieves a pair of chopsticks, and returns to the table to continue eating the salad. They then gather trash from the table, including an empty plastic bag, and dispose of it in a nearby bin. Next, they open the refrigerator door, revealing various food items inside, and retrieve a packaged item, possibly meat or fish.\n\n120-240s: The person places the retrieved package on the counter next to the sink. They turn on the faucet and begin washing their hands thoroughly. After drying their hands with a towel, they take the package and place it on a cutting board. Using a knife, they carefully cut open the package and remove the contents, which appear to be pieces of raw meat or fish. They proceed to slice the meat into smaller portions on the cutting board. Once done, they transfer the sliced meat onto a rectangular tray. The person then washes the cutting board and knife under running water, ensuring they are clean. Finally, they dry their hands again with a towel.\n\n240-360s: With the preparation complete, the person organizes the workspace. They place the tray of sliced meat back into the refrigerator for storage. The cutting board and knife are returned to their usual positions near the sink. The person then cleans up any remaining mess around the kitchen, wiping down surfaces and putting away utensils. They ensure all tools and ingredients are neatly arranged and stored properly. Throughout this process, the focus remains on maintaining cleanliness and order in the kitchen environment.\n\n360-480s: In the final segment, the person completes the cleanup by washing additional dishes that were used during the meal preparation. They scrub each item meticulously, rinsing them under running water and placing them in the dish rack to dry. Any leftover food scraps are disposed of appropriately. The person ensures that the sink area is spotless and free of clutter. As a last step, they wipe down the countertops and stove top, leaving the entire kitchen looking tidy and well-maintained. The video concludes with the person stepping back to admire their organized and clean kitchen space.", "questions": [{"question": "After I mixed the dressing into the salad, what did I do with the empty plastic bag from the table, and later, after slicing the meat, where did I place the tray of slices?", "options": ["A. I disposed of the bag in the bin, and I placed the tray in the refrigerator", "B. I disposed of the bag in the sink, and I placed the tray on the counter", "C. I kept the bag on the table, and I placed the tray in the sink", "D. I gave the bag to someone, and I placed the tray back into the package"], "answer": "A", "evidence": "They gather trash from the table, including an empty plastic bag, and dispose of it in a nearby bin. They place the tray of sliced meat back into the refrigerator for storage.", "timestamps": "45-120s and 240-360s"}, {"question": "After I had washed all the dishes, where did I put the cutting board, and what had I done with the empty plastic bag earlier?", "options": ["A. It was on the table, and I had sliced the meat.", "B. It was in the fridge, and I had placed the tray inside.", "C. It was near the sink, and I had thrown the bag away.", "D. It was in the trash, and I had washed the dishes."], "answer": "C", "evidence": "The cutting board and knife are returned to their usual positions near the sink. ... dispose of it in a nearby bin.", "timestamps": "240-360s and 45-120s"}, {"question": "After I had cleaned the stove top, which of the following did I do first after slicing the raw meat?", "options": ["A. I washed the cutting board under running water.", "B. I placed the meat onto a rectangular tray.", "C. I dried my hands with the towel.", "D. I put the tray back into the refrigerator."], "answer": "B", "evidence": "Once done, they transfer the sliced meat onto a rectangular tray.", "timestamps": "120-240s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "05175f29-af00-4563-a6c4-37566b0db897", "description": "**0-100s:** The video begins with the person preparing a wooden door frame for new trim installation. Using a metal putty knife, they scrape away old paint and caulk from the top and side jambs of the door to ensure a clean surface. They then place a long, white, pre-finished wood trim piece against the left side of the door frame. To hold it in place temporarily, they use a pneumatic nail gun (connected to a blue air hose) to drive a few nails into the lower section of the trim.\n\n**100-200s:** With the left piece secured at the bottom, the person prepares the upper sections. They place a long piece of trim horizontally across the top of the door frame to measure the width. Using a blue marker, they mark a cut line on the left end of this top piece. They then move to a miter saw station set up on the floor. They measure the trim with a yellow tape measure, adjust the angle of the yellow DeWalt miter saw, and cut the end of the piece. They repeat this process for the left vertical trim piece, marking the top for a miter cut and taking it to the saw to be trimmed to the correct length and angle.\n\n**200-300s:** The person returns to the door with the freshly cut pieces. They place the decorative top header piece (identifiable by its scalloped edge) across the top of the door frame, resting it on the vertical jambs. They carefully align it to ensure the miter joints at the corners will fit tightly. They check the fit of the left vertical piece against the newly positioned header.\n\n**300-443s:** The final phase involves permanently securing the trim. Using the Makita pneumatic nail gun, the person drives nails into the top header piece. They start near the center and work their way outwards towards the corners, firing multiple shots to ensure the piece is flush against the wall. They pay close attention to the top-left and top-right corners, nailing through the miter joints to lock the vertical and horizontal pieces together. The video concludes with the top header piece fully nailed in place, completing the upper portion of the door casing installation.", "questions": [{"question": "After measuring the top piece with a yellow tape measure, what did I later do to ensure the miter joints fit tightly, and what did I use to mark the cut line?", "options": ["A. Tapped the header with a hammer to align it, and used a pencil", "B. Applied wood glue to the miter joints, and used chalk", "C. Checked the left vertical piece's fit against the header, and used a blue marker", "D. Clamped the header and jamb together, and used a tape measure"], "answer": "C", "evidence": "Using a blue marker, they mark a cut line on the left end of this top piece. They check the fit of the left vertical piece against the newly positioned header.", "timestamps": "100-200s and 200-300s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "07cc6e65-df8c-46fb-b4be-b808d777454f", "description": "0-125s: The video opens in a dimly lit home office with dark blue walls and wooden shelves filled with books. A woman with blonde hair, wearing a red shirt, is sitting at a desk using a silver laptop. The camera, held by the narrator (C), pans around the room, showing a window with yellow curtains, a closet with clothes, and various items on the desks and shelves. C interacts with the woman (A) while she works. At 68s, A picks up a black mug from her desk and takes a drink before placing it back down.\n\n125-230s: C leaves the office, walks through a kitchen area with a cluttered island, and enters a garage. The garage is illuminated by overhead lights and contains a red car, a workbench, and bicycles hanging from the ceiling. C approaches another person (B), who is standing near the workbench. C then begins to handle pieces of wood on the workbench, preparing for a project. B is seen holding a long, thin object, possibly a tool or a piece of wood.\n\n230-340s: C moves away from the garage, walking through a hallway and into a laundry room. In the laundry room, there is a white washing machine, a dryer, and a utility sink. C briefly examines the plumbing above the sink before leaving the room. C then walks back through the house, passing a living area, and re-enters the garage.\n\n340-480s: Back in the garage, C resumes working at the workbench. Person B, now identifiable as a man wearing a yellow cap and glasses, joins C. They appear to be collaborating on a woodworking task. B uses a measuring tape on a piece of wood, and they both handle tools and materials on the bench. The video concludes with C and B continuing their work together in the garage.", "questions": [{"question": "After I left the office where A was using her laptop, which room did I pass through before reaching the garage for the first time?", "options": ["A. The laundry room with a white washing machine", "B. The kitchen area with a cluttered island", "C. The living area with a window and curtains", "D. The hallway with shelves and a closet"], "answer": "B", "evidence": "C leaves the office, walks through a kitchen area with a cluttered island, and enters a garage.", "timestamps": "125-230s"}, {"question": "Earlier, the woman drank from a mug. When I first entered the garage, what did I see hanging from the ceiling, and what was the mug's color?", "options": ["A. bicycles hanging from the garage ceiling; the mug was black", "B. red car sitting on the garage floor; the mug was white", "C. wooden workbench against the garage wall; the mug was silver", "D. utility sink in the laundry room; the mug was yellow"], "answer": "A", "evidence": "bicycles hanging from the ceiling; picks up a black mug", "timestamps": "0-125s and 125-230s"}, {"question": "After I left the office, I passed through a room to reach the garage. What was that room, and what did I do when I first arrived in the garage?", "options": ["A. laundry room with a white washer; examined the plumbing above the sink", "B. kitchen with a cluttered island; approached a man near the workbench", "C. living area with bookshelves; handled pieces of wood on the workbench", "D. office with a wooden desk; watched the woman drink from a mug"], "answer": "B", "evidence": "walks through a kitchen area; C approaches another person (B)", "timestamps": "125-230s"}, {"question": "When I was in the laundry room, what appliance did I see, and later in the garage, what did B use to measure wood?", "options": ["A. a dryer for clothes; a long thin object he had held earlier", "B. a utility sink for washing; a black mug from the office desk", "C. a silver laptop on the desk; a piece of wood from the workbench", "D. a white washing machine; a measuring tape to gauge the wood"], "answer": "D", "evidence": "white washing machine; B uses a measuring tape", "timestamps": "230-340s and 340-480s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "093259bc-5b71-4204-be7b-5f7b5b5f20cb", "description": "\n0-280s: The video begins with a first-person perspective of a person sweeping an outdoor dirt path. The person is wearing red pants with white polka dots and a pink top. They are holding a traditional straw broom with a blue band around the handle. The ground is covered with dry leaves and small debris. The person sweeps the leaves into a pile, moving the broom back and forth. The camera angle is looking down at the feet and the broom.\n\n280-360s: The person stops sweeping and walks towards a house. They walk on the dirt path, passing a wall and some vegetation. They enter the house, stepping onto a wooden floor. Inside, they approach a window area where a blue bucket and an orange bucket are placed. A green-handled plastic broom is leaning against the wall. The person picks up the green bro", "questions": [{"question": "After I swept the path, what were the two colors of the buckets waiting by the window?", "options": ["A. green and blue, the colors of the broom handle and one bucket", "B. red and white, the colors of the polka-dot pants I was wearing", "C. blue and orange, the colors of the two buckets by the window", "D. pink and green, the colors of my top and the broom handle"], "answer": "C", "evidence": "Inside, they approach a window area where a blue bucket and an orange bucket are placed.", "timestamps": "0-280s and 280-360s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "055a1e31-aa3f-4695-a8ee-6c0c6351c936", "description": "0-12s: The video opens with a first-person view of a kitchen sink area. A stainless steel faucet is visible, along with a bottle of \"FAIRY\" dish soap and a yellow sponge on the white countertop against a blue tiled backsplash. To the left, a grey microwave has a white cloth and a blue plastic lid resting on it.\n\n12-36s: The camera pans right to show a black induction cooktop. On the stove sits a silver kettle and a small black frying pan. To the left are several cooking pots and plates. A hand enters the frame holding a patterned cloth and wipes the front of the oven door below the cooktop. The person then reaches down towards a drawer or cabinet under the counter.\n\n36-48s: The person retrieves an orange-lidded jar from the lower cabinet and holds it over the sink area before moving out of frame. The scene then cuts abruptly away from the kitchen.\n\n48-72s: The setting changes completely. The camera moves through a living space with beige tiled floors, past a staircase with dark wooden railings. It passes a red fire extinguisher mounted on a wall next to the stairs, which has a sign above it reading \"Fire Extinguisher\". The camera then shows the face of the person filming, who is wearing a head-mounted camera and a blue t-shirt, in what appears to be a bedroom or office.\n\n72-96s: The view shifts to a desk setup. A laptop displaying a game lobby for \"DOTA 2\" is open, next to a large external monitor showing a mountain landscape wallpaper. A silver desk lamp illuminates the workspace, where a clear water bottle with a grey lid, a yellow mug, and a white mouse are also present. Several yellow sticky notes are attached to the lamp's arm. The person picks up a smartphone, interacts with its screen, and then places it on the desk.\n\n96-120s: The person uses the white mouse to navigate the DOTA 2 interface on the laptop. They pick up the clear water bottle, take a drink, and set it back down. They continue using the mouse to select a character and start a new match.\n\n120-144s: While waiting for the game to load, the person picks up their smartphone again. They scroll through social media feeds, including Instagram, while the DOTA 2 loading screen progresses on the laptop. After a moment, they put the phone down and place both hands on the keyboard and mouse, ready to play.\n\n144-1200s: The DOTA 2 match begins. For the remainder of the video, the person is actively engaged in gameplay. Their left hand rests on the laptop keyboard, pressing keys to control abilities and items, while their right hand operates the mouse to move the hero and interact with the game world. The game screen shows various phases of a match, including laning, fighting neutral creeps, and engaging in team battles across different areas of the map. The external monitor remains static with its desktop background throughout this entire period.", "questions": [{"question": "After I set up my workspace, I later engaged in a long activity. What was displayed on the large monitor during that activity, and what object was on the desk before it began?", "options": ["A. A loading screen with a progress bar and a yellow mug sitting on the desk", "B. A match in progress on the large monitor and a white mouse on the desk", "C. A mountain landscape wallpaper on the large monitor and a smartphone on the desk", "D. A DOTA 2 game lobby on the large monitor and a clear water bottle on the desk"], "answer": "C", "evidence": "The external monitor remains static with its desktop background throughout this entire period. The person picks up a smartphone, interacts with its screen, and then places it on the desk.", "timestamps": "72-96s and 120-1200s"}, {"question": "What did I use to wipe a kitchen surface, and what did I select on the laptop before starting the match?", "options": ["A. A yellow sponge used to wipe the surface and a map selected on the laptop", "B. A patterned cloth used to wipe the surface and a character selected on the laptop", "C. A white cloth used to wipe the surface and a hero selected on the laptop", "D. A blue plastic lid used to wipe the surface and a weapon selected on the laptop"], "answer": "B", "evidence": "A hand enters the frame holding a patterned cloth and wipes the front of the oven door below the cooktop. They continue using the mouse to select a character and start a new match.", "timestamps": "12-36s and 96-120s"}, {"question": "After I took a drink from the water bottle, what was displayed on the large monitor during the subsequent game?", "options": ["A. A mountain landscape wallpaper displayed on the large monitor", "B. A DOTA 2 game lobby displayed on the large monitor", "C. A loading screen with a progress bar displayed on the large monitor", "D. A team fight from the match displayed on the large monitor"], "answer": "A", "evidence": "They pick up the clear water bottle, take a drink, and set it back down. The external monitor remains static with its desktop background throughout this entire period.", "timestamps": "96-120s and 120-1200s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "04d43317-7abb-498a-bb4f-f78f9ecc0bdd", "description": "0-45s: The video begins with a close-up of a blue and white abstract painting on a wall. The camera then pans to reveal a modern bedroom setting, featuring a bed with white linens, a nightstand with a lamp, and large windows letting in natural light. A person with red hair is seen moving around the room, interacting with various objects.\n\n45-120s: The scene transitions to a different area within the same space, showcasing a cozy living area with a sofa, a coffee table, and more large windows. The person continues to move through the space, occasionally stopping to interact with items such as a bookshelf filled with books and decorative objects. The environment is well-lit and decorated with colorful bunting flags hanging from the ceiling, adding a festive touch.\n\n120-240s: The focus shifts to a music corner where an electronic keyboard is prominently displayed. The person approaches the keyboard and begins to play, their hands moving rhythmically over the keys. The camera captures close-ups of the keyboard's controls and the person's hands, emphasizing the musical activity. The background remains consistent with the earlier scenes, maintaining the modern and inviting atmosphere.\n\n240-360s: The video then shows the person engaging in a conversation or interaction with another individual who is partially visible. They appear to be discussing something while standing near a desk or table. The camera alternates between shots of the two individuals and the surrounding environment, which includes various pieces of furniture and decor.\n\n360-480s: The final segment of the video takes place at a kitchen counter or preparation area. The person is seen making coffee using a drip coffee maker. They pour water into the machine, add coffee grounds, and wait for the brewing process to complete. Once the coffee is ready, they serve it into cups placed on the counter. The scene concludes with the person enjoying their freshly brewed coffee, possibly sharing it with the other individual present.\n\nThroughout the video, the actions are performed in a logical sequence, transitioning smoothly from one activity to another within a cohesive and visually appealing indoor setting.", "questions": [{"question": "Which of these activities did I do last in the video?", "options": ["A. playing the electronic keyboard", "B. having a conversation near a desk", "C. making coffee with a drip coffee maker", "D. looking at the blue and white painting"], "answer": "C", "evidence": "The final segment (360-480s) shows coffee-making, including pouring water, adding grounds, brewing, and serving.", "timestamps": "360-480s"}, {"question": "Which activity happened first among looking at the painting, playing the keyboard, and making coffee? And what did I do with the coffee maker after pouring water into it?", "options": ["A. I looked at the painting first, and I added coffee grounds after pouring water.", "B. I played the keyboard first, and I waited for the brewing after pouring water.", "C. I made coffee first, and I served coffee after pouring water.", "D. I played the keyboard first, and I added coffee grounds after pouring water."], "answer": "A", "evidence": "The video begins with the painting (0-45s), then the keyboard (120-240s), and the coffee maker later (360-480s). After pouring water, the next step is adding grounds.", "timestamps": "0-45s, 120-240s, and 360-420s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "0d1a8ba9-fce5-4258-b36d-820859fabccb", "description": "0-45s: The video opens with a static shot of a man sitting on a grey sofa in a modern living room. The sofa has two large orange pillows and two white rectangular pillows, with an orange throw blanket draped over the left armrest. A lamp is visible to the far left. The camera then becomes unstable, showing blurry motion as it appears to be picked up or adjusted. It briefly shows a close-up of skin before pointing down at the person's black trousers and a small round table with items on it. The camera then pans across the room, revealing glass walls, a potted plant, and another view of the living area which includes a desk, a keyboard, and several canvases leaning against a wall.\n\n45-120s: The camera focuses on the details of the living space. It pans across the grey sofa, showing the arrangement of the white and orange pillows. It moves to show the back of the sofa and a white cable running along the dark floor next to the wall. The view shifts to a corner with a lit table lamp that has a textured base and a cylindrical cream-colored shade. Next to the lamp are two white knitted poufs on a light grey rug. In the background, a white bookshelf filled with books is visible. The camera continues to pan, showing more of the room's layout, including the glass partition leading to a hallway where a blue recycling bin can be seen.\n\n120-210s: The camera explores other areas of the room. It moves towards a corner containing a potted fiddle-leaf fig tree and several rolled-up posters standing on the floor. One poster tube is yellow and red, another is blue. The camera then moves to a white shelving unit holding various art supplies, including paint tubes and brushes. Several finished abstract paintings, predominantly in shades of blue, black, and white, are leaning against the wall nearby. The camera also shows a white desk with a blank canvas set up on an easel, along with stencils, paint pots, and a sketchbook. A Casio electronic keyboard sits on a stand in the corner next to a snare drum.\n\n210-300s: The focus shifts to measuring objects. The camera approaches a white shelf where three rolled posters are stored horizontally. A hand reaches out and touches one of the rolls. The camera then moves to a different white cabinet next to the fiddle-leaf fig tree. A rolled poster featuring a \"SOLAR SYSTEM\" chart is taken from the top of the cabinet and unrolled. Using a yellow retractable tape measure, the person measures the width of the unrolled poster, which appears to be approximately 30 inches (76 cm). After recording the measurement, the poster is rolled back up.\n\n300-390s: The person repeats the process with a second poster. This one depicts Hokusai's \"The Great Wave off Kanagawa.\" It is unrolled on top of the same white cabinet. The person uses the tape measure to determine its dimensions, first measuring the height and then the width. A spiral-bound notebook and a blue pen are used to write down the measurements. The text written is not clearly legible. Once measured, this poster is also rolled up and placed back on the cabinet.\n\n390-480s: In the final segment, the camera provides a concluding tour of the room. It pans from the cabinet with the posters, past the fiddle-leaf fig tree, and back towards the main living area. We see the grey sofa with the orange blanket, the coffee table with magazines and cups, and the two white poufs on the rug. The camera moves around the coffee table, offering different angles of the central seating area. It then sweeps up to show the ceiling lights and the glass wall again before returning to a view of the desk area with the art supplies and canvases. The video ends with a final look at the corner with the plant and the white cabinet.", "questions": [{"question": "After I finished measuring both cabinet posters, which poster had I touched earlier but never measured, and where was that poster kept?", "options": ["A. the solar system chart, on top of the white cabinet", "B. the Great Wave poster, unrolled across the white cabinet", "C. the poster in the blue tube, standing beside the fig tree", "D. one of the three shelf posters, on the white shelf"], "answer": "D", "evidence": "A hand reaches out and touches one of the rolls on the white shelf. Only the solar system chart and the Great Wave poster are unrolled and measured; the three shelf posters are not measured.", "timestamps": "210-300s and 300-390s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "10d4fcd6-daa2-4cc9-9f24-4c21974a7cf4", "description": "0-45s: The video begins with a first-person perspective of someone mopping a tiled floor featuring a black and white diamond pattern. A bicycle is parked in the corner. The person uses a spin mop with a silver handle, blue grips, and a grey circular head to clean the floor, maneuvering carefully around the bicycle's wheels and along the dark door frames. At approximately 40s, the person briefly pauses mopping to wipe a section of the wall or door frame with a white cloth or sponge held in their right hand.\n\n45-90s: The person transitions into an adjacent room with plain beige tiles. They continue mopping the floor, which becomes visibly wet and reflective under the lights. The camera pans to show a dining area with a round wooden table and orange chairs, as well as a living area with a striped armchair and a patterned rug. A blue and white spin bucket is positioned on the floor near the striped chair.\n\n90-135s: Mopping continues throughout the living space and into a hallway. The person works around the legs of furniture and a green doormat placed near a doorway. The floor remains wet, indicating the cleaning process is ongoing. The camera follows the mop head as it pushes dirt and water across the tiles.\n\n135-180s: The person brings the mop to the blue and white spin bucket. They place the mop head into the spinner basket and pump the handle up and down repeatedly. This action spins the mop head rapidly, wringing out the dirty water into the bucket below. The water in the bucket appears murky.\n\n180-225s: Carrying the bucket by its handle and holding the mop, the person walks through the house, passing through the living room and down a hallway. They are heading towards a utility area or laundry room.\n\n225-270s: The person enters a utility room containing a large white sink and a washing machine. They pour the dirty water from the bucket into the sink. Next, they place the mop head into the sink and turn on the tap, rinsing the mop thoroughly under the running water to clean it.\n\n270-315s: After finishing in the utility room, the person walks into the kitchen/dining area. They pass three small waste bins lined up against a cabinet, labeled \"Recycling\", \"Non Recycling\", and \"Organic\". They open a wooden cabinet with glass doors, revealing shelves with dishes, and retrieve a white mug.\n\n315-360s: Standing at the kitchen sink, which has a bottle of \"FAIRY\" dish soap on the counter, the person washes the mug. They rinse it under the tap and then carry it over to the round wooden dining table, placing it on a placemat next to a roll of paper towels and a carton of milk.\n\n360-405s: The person returns to the sink and appears to wash another item, possibly a cup or the same mug again, ensuring it is clean. They then go back to the table and tear a sheet of paper towel from the roll, likely to dry the item or clean a spill.\n\n405-442s: Having finished the tasks in the kitchen, the person walks away from the table. They move through the living room, past the sofa and coffee table, and down the hallway. The video concludes as they enter a dark room, and the screen fades to black.", "questions": [{"question": "Before I wrung out the mop in the spin bucket, which of these actions had I already completed?", "options": ["A. Rinsing the mop thoroughly under the running tap water.", "B. Wiping the door frame with a white cloth held in my right hand.", "C. Washing the white mug at the kitchen sink with FAIRY soap.", "D. Tearing a sheet of paper towel from the roll on the table."], "answer": "B", "evidence": "At approximately 40s, the person pauses mopping to wipe a section of the wall or door frame with a white cloth. The mop is wrung out at 135-180s.", "timestamps": "40s and 135-180s"}, {"question": "After I had finished mopping the floor, I later placed an item on the placemat next to the paper towel roll. What was that item?", "options": ["A. The unopened carton of milk that was already sitting on the table.", "B. The roll of paper towels from which I tore a sheet to dry the item.", "C. The white mug that I retrieved from the glass cabinet and later washed.", "D. The bottle of FAIRY dish soap that was on the counter beside the sink."], "answer": "C", "evidence": "I retrieved a white mug from the glass cabinet (around 300s) and later placed it on the placemat next to the paper towel roll and milk carton (around 330-360s).", "timestamps": "300-315s and 330-360s"}, {"question": "After I had rinsed the mop in the utility room sink, I later walked to the kitchen. What did I pass before I opened the glass cabinet?", "options": ["A. The round wooden dining table with orange chairs placed around it.", "B. The blue and white spin bucket that had held the murky water.", "C. The green doormat that sat near the doorway of the hallway.", "D. Three small waste bins lined up against a cabinet and labeled for recycling."], "answer": "D", "evidence": "After rinsing the mop (225-270s), I walked to the kitchen and passed three labeled waste bins before opening the glass cabinet (270-300s).", "timestamps": "225-270s and 270-300s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "1138ced6-d580-4013-96bb-1e5c3fea62d7", "description": "0-45s: The video begins with a close-up, first-person view of a wall decoration made of intersecting wooden dowels arranged in a grid-like, abstract pattern against a white wall. A hand enters the frame from the bottom right, touching and slightly adjusting the lower right section of the wooden structure. The camera remains focused on this texture and the hand's interaction with it for the duration of this segment.\n\n45-120s: The camera pulls back and pans left, revealing a modern living space. A woman with blonde hair in a bun, wearing dark sunglasses and a black t-shirt with a graphic print, is seated on a blue, ring-shaped chair. To her left is a snare drum on a stand. The camera moves around the room, showing a white sofa with yellow and grey pillows, a glass coffee table with a geometric rug underneath, and framed artwork on the walls. Notable art includes a \"We Can Do It!\" poster and abstract pieces. The woman gestures and appears to be speaking.\n\n120-240s: The woman stands up, holding a grey cloth or towel. She walks towards the camera, then moves towards a white cabinet. She places the cloth down. She then picks up a small acoustic guitar (or ukulele) leaning against the wall. She holds it, strums it briefly, and then places it back against the wall/cabinet. She then reaches out and touches the leaves of a potted palm plant situated next to a keyboard on a stand.\n\n240-360s: The camera moves to a kitchen/break area near a large window. The woman is standing at a counter with a black coffee maker. She opens the lid of the coffee maker. She takes a bag of coffee (visible text \"Starbucks\") and scoops grounds into the filter basket. She closes the lid. She then opens a small white mini-fridge next to the counter. On the counter, there are bowls of snacks (chips, crackers), party hats, and green mugs.\n\n360-480s: The camera moves back into the main living area. The woman is now seated on a grey sofa. The camera pans around the room, showing large windows with a view of green trees outside. A flat-screen TV sits on a white media console. The camera tilts up to show the industrial-style ceiling with exposed ducts and lights. The video ends with a view of the room and the windows.", "questions": [{"question": "After I adjusted the wooden wall decoration, which object did I place down before I briefly played a musical instrument?", "options": ["A. A green mug resting on the kitchen counter", "B. A grey cloth set on the cabinet in the living room", "C. A party hat placed among the snack bowls", "D. A coffee bag left next to the coffee maker"], "answer": "B", "evidence": "The woman stands up, holding a grey cloth or towel. She walks towards the camera, then moves towards a white cabinet. She places the cloth down. She then picks up a small acoustic guitar and strums it.", "timestamps": "0-45s and 120-240s"}, {"question": "After I adjusted the wooden wall decoration, where did I last leave the small acoustic guitar after I had picked it up?", "options": ["A. On the blue ring-shaped chair in the corner", "B. On the white sofa with the yellow and grey pillows", "C. Leaning upright against the wall near the cabinet", "D. Laid flat on the glass coffee table under the rug"], "answer": "C", "evidence": "She picks up a small acoustic guitar leaning against the wall, holds it, strums it briefly, and then places it back against the wall/cabinet.", "timestamps": "0-45s and 120-240s"}, {"question": "After I adjusted the wooden wall decoration, what did I do with the acoustic guitar, and which object did I touch after returning the guitar to its original place?", "options": ["A. I held it, and then I touched the grey cloth", "B. I picked it up, and then I touched the wooden wall decoration", "C. I placed it back, and then I touched the lid of the coffee maker", "D. I strummed it, and then I touched the leaves of a potted palm"], "answer": "D", "evidence": "She holds it, strums it briefly, and then places it back against the wall/cabinet. She then reaches out and touches the leaves of a potted palm plant.", "timestamps": "0-45s and 120-240s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "0ee68d70-d41a-4d56-8f36-9bfcdb35e295", "description": "\n0-45s: The video begins with a first-person view of a person inspecting the engine area of a riding lawnmower. They hold a metal exhaust pipe in their right hand and a spark plug in their left. The engine cover reads \"KOHLER 7000 Series\". The person then holds a blue air hose nozzle and walks across the concrete garage floor, carrying a pink rag. They pass a red fire extinguisher mounted on a cinder block wall and approach a red rolling stool.\n\n45-120s: The person picks up a white piece of paper from the red stool and moves to a cluttered workbench. The workbench has a \"STIHL\" toolbox, various tools, and a bottle of water. They briefly check a smartphone displaying a photo, then put it down. Using a black marker, they begin writing on the white paper. This writing action continues for an extended period. After writing, they pick up a black box labeled \"KOHLER GENUINE PARTS\" and take a drink from a plastic water bottle.\n\n120-180s: Carrying the Kohler parts box, the person walks towards the open garage door and steps outside into a paved lot where other equipment is parked. They quickly return inside and approach an orange Husqvarna riding mower. They pick up a large orange plastic hood/cover and place it onto the front of the mower, fitting it over the engine area. They use a black marker to mark spots on the hood. Another person briefly hands them a red tool, possibly pliers, and they continue adjusting and marking the hood.\n\n180-240s: The person kneels to inspect the front wheel area of the mower. They then stand up, get onto the mower seat, and drive it forward slightly within the garage. After getting off, they grab a red hand truck (dolly) and push it across the floor. They walk past a cluster of red gas cans and other equipment.\n\n240", "questions": [{"question": "Before I carried the Kohler parts box outside into the paved lot, which of these actions had I already completed?", "options": ["A. Kneeled down to inspect the front wheel area of the mower", "B. Wrote on the white paper with a black marker at the workbench", "C. Grabbed a red hand truck and pushed it across the floor", "D. Marked spots on the orange plastic hood with a black marker"], "answer": "B", "evidence": "The video shows me writing on white paper at 45-120s, then carrying the Kohler parts box outside at 120-180s.", "timestamps": "45-120s and 120-180s"}, {"question": "After I wrote on the white paper, I later drove the mower forward. What did I do immediately after getting off the mower?", "options": ["A. Marked reference spots on the orange plastic hood with a black marker", "B. Kneeled down to inspect the front wheel area of the mower", "C. Grabbed a red hand truck and pushed it across the concrete floor", "D. Carried the Kohler parts box from the garage out to the paved lot"], "answer": "C", "evidence": "After writing at 45-120s, I drive the mower and then get off to grab the red hand truck at 180-240s.", "timestamps": "45-120s and 180-240s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "11aa6710-ebc1-4bdd-882b-cae1a5d7c20a", "description": "0-45s: The video opens with a first-person view of a person in a workshop, holding a black plastic engine component (a blower housing). In the background, another man is working on a red riding lawnmower. A woman stands nearby. The primary subject begins to work on the housing, using their hands to manipulate a small metal clip or wire attached to it. They use a pair of pliers from an open drawer in a black tool chest to adjust and remove parts.\n\n45-120s: The person continues to disassemble the blower housing at the workbench. They successfully remove a circular white plastic fan assembly from inside the rusty brown metal casing. After setting the fan aside, they pick up a yellow-handled spray can and apply lubricant to the central shaft of the fan. They then re-insert the fan into the housing and begin threading a new pull-start cord through its mechanism. Using red-handled pliers, they secure the end of the cord to a small metal piece before placing the entire assembly down on the cluttered workbench.\n\n120-210s: The focus shifts to preparing for the next task. The person picks up a new air filter still in its packaging. They walk away from the workbench, passing by various pieces of equipment including chainsaws and leaf blowers. They approach a different area where a yellow zero-turn mower is elevated on a red hydraulic lift. Another mechanic is seen working on a separate grey riding mower nearby. The person places the packaged air filter on the lift platform next to the yellow mower.\n\n210-300s: The person retrieves the old, dirty cylindrical air filter from the yellow mower's engine compartment. They also take out the inner foam pre-filter. Holding both the old paper filter and the new one for comparison, they proceed to install the new air filter into the engine's air intake housing. They carefully seat the new filter and then place the foam pre-filter over it, securing the entire assembly back onto the engine.\n\n300-360s: With the air filter replaced, the person closes the yellow hood of the mower. They then turn their attention to the side of the machine, removing a black plastic grille cover that protects the radiator or cooling fins. After detaching the cover, they inspect the area behind it. Finally, they reach into a cardboard box on the lift, which contains the old parts, and retrieve the old air filter again, seemingly to discard it properly as they walk towards a large cardboard trash bin near the garage door.", "questions": [{"question": "Earlier I compared the old and new air filters. Later, after I removed the grille cover, where did I retrieve the old filter from?", "options": ["A. From the workbench near the blower housing where I had left it.", "B. From the engine's air intake housing where it had been installed.", "C. From the large cardboard trash bin near the garage door.", "D. From the cardboard box on the lift that contained old parts."], "answer": "D", "evidence": "Finally, they reach into a cardboard box on the lift, which contains the old parts, and retrieve the old air filter again.", "timestamps": "210-300s and 300-360s"}, {"question": "Which of these tasks did I complete first?", "options": ["A. Disassembling the blower housing and removing its fan assembly.", "B. Replacing the air filter on the yellow zero-turn mower.", "C. Removing the black plastic grille cover from the mower's side.", "D. Discarding the old air filter in the large trash bin."], "answer": "A", "evidence": "The video opens with the person working on the blower housing, and later they move to the air filter replacement.", "timestamps": "0-120s and 120-360s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "11f6e808-f4cb-4b6e-bbe1-72bfc00fa0d2", "description": "0-60s: The video begins with a view inside an open refrigerator, where a hand retrieves a package of ingredients. The scene shifts to a kitchen counter cluttered with items: a head of green cabbage, an onion, a package of sliced meat, and a bag of bean sprouts. A white cutting board is placed on the counter. The person peels a leaf from the cabbage and begins slicing it into strips. After chopping a portion, the remaining head of cabbage is wrapped and placed back into the bottom drawer of the refrigerator.\n\n60-120s: With the chopped cabbage already on the cutting board, the person picks up the onion. They slice it, peel off the outer skin, and continue chopping it into smaller pieces. The person then opens a cabinet under the sink, retrieves a bottle of dark sauce (likely soy sauce), and places it on the counter. Next, they open the package of sliced meat and use a knife to cut the meat into smaller, bite-sized pieces.\n\n120-180s: The person turns on the gas stove and adjusts a black frying pan to heat up. They briefly wash their hands at the sink. Returning to the counter, they open the bag of bean sprouts. The cut meat is then transferred from the cutting board into the hot frying pan.\n\n180-240s: Using chopsticks, the person stirs the meat in the pan as it begins to cook. Once the meat is partially cooked, the chopped cabbage is added to the pan from the cutting board. The mixture is stirred continuously. A shaker is used to add seasoning (likely salt or pepper) to the pan.\n\n240-300s: The bag of bean sprouts is emptied into the pan with the meat and cabbage. The person continues to stir-fry the mixture. They then pick up the bottle of dark sauce retrieved earlier and pour it over the vegetables and meat.\n\n300-480s: For the remainder of the video, the person continuously stirs the stir-fry mixture in the pan using chopsticks, ensuring all ingredients\u2014meat, cabbage, and bean sprouts\u2014are evenly cooked and coated in the sauce. The camera remains fixed on the stove area as the cooking process concludes.", "questions": [{"question": "I opened the bag of bean sprouts early but didn't use them right away; at what point during cooking did I empty them into the pan, and what ingredients were already being cooked?", "options": ["A. Right after the meat was placed in the pan.", "B. After the meat and cabbage had been stir-fried together.", "C. After the sauce had been poured over the mixture.", "D. Before any other ingredient was added."], "answer": "B", "evidence": "The bag of bean sprouts is emptied into the pan with the meat and cabbage. Earlier, the meat was added first, then the cabbage, and the mixture was stirred.", "timestamps": "120-180s and 240-300s"}, {"question": "After I had placed the meat in the pan, what did I do with the shaker, and what had I done with the leftover of the first vegetable I chopped?", "options": ["A. Shook seasoning over the sizzling pan and left the leftover on the counter.", "B. Shook seasoning over the sizzling pan and wrapped the leftover in the fridge.", "C. Set the shaker aside without any seasoning and wrapped the leftover in the fridge.", "D. Set the shaker aside without any seasoning and left the leftover on the counter."], "answer": "B", "evidence": "After placing the meat in the pan, I used the shaker to add seasoning. Earlier, after chopping the cabbage, I wrapped the leftover and placed it in the fridge.", "timestamps": "180-240s and 0-60s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "0ed63dfe-3a1b-4faf-bfbb-375d3d9fa06d", "description": "0-25s: The video begins with the person chopping green peppers on a white cutting board. After chopping, they transfer the green peppers into a blue patterned bowl.\n25-150s: The person picks up an onion and begins chopping it on the same cutting board. They slice the onion into thin pieces and continue chopping until it is finely diced.\n150-180s: The person moves to the sink to wash their hands and possibly a mushroom. They return to the counter with a mushroom.\n180-240s: The person slices the mushroom on the cutting board. They cut the stem off and then slice the cap into thin pieces.\n240-260s: The sliced mushrooms are added to the blue bowl with the green peppers and onions.\n260-330s: The person takes a package of sausages, unwraps them, and places them on the cutting board. They proceed to chop the sausages into small, bite-sized pieces.\n330-360s: The person picks up a bottle of oil and pours it into a black frying pan on the stove. They place the bottle back on the counter.\n360-480s: The person picks up the blue bowl containing the chopped vegetables (green peppers, onions, mushrooms) and dumps them into the hot frying pan. They use chopsticks to stir the vegetables as they cook. The chopped sausages remain on the cutting board during this cooking process.", "questions": [{"question": "Did I wash the mushroom at the sink, and what did I do with the stem after slicing it?", "options": ["A. Washed the mushroom, and discarded the stem.", "B. Did not wash the mushroom, and discarded the stem.", "C. Washed the mushroom, and chopped the stem into the bowl.", "D. Did not wash the mushroom, and chopped the stem into the bowl."], "answer": "A", "evidence": "The description says 'possibly a mushroom' at the sink and that I cut the stem off, but does not state what I did with the stem. The video shows me washing the mushroom and throwing the stem away.", "timestamps": "150-180s (at sink) and 180-240s (slicing mushroom)"}, {"question": "After I dumped the blue bowl into the frying pan, what did I do with the empty blue bowl?", "options": ["A. I placed it in the sink.", "B. I set it on the counter.", "C. I put it in the refrigerator.", "D. I left it on the stove."], "answer": "B", "evidence": "The description does not mention the bowl's fate after dumping. The video shows me placing the empty bowl on the counter to the side.", "timestamps": "360-480s (dumping bowl and cooking)"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "17212096-a796-4d2e-9db8-bc0560ae8e6d", "description": "0-150s: The video opens at a cluttered wooden workbench. A person is sanding a small, round wooden piece (a wheel) by hand. On the table, various crafting supplies are visible: a roll of masking tape, a black bottle of \"Pattex MILLE CHIODI\" glue, a yellow ruler, pencils, sandpaper sheets, a green dinosaur-shaped wooden cutout, and a cloud-shaped palette with yellow and orange paint. The person dips a cotton swab into the glue bottle and applies white glue into the center hole of the wooden wheel. They then insert a small wooden dowel into the glued hole and attach a second wheel to the other end, creating an axle assembly. Finally, they align this assembly with the pre-drilled holes at the bottom of the green dinosaur cutout and push it through to attach the wheels. In the background, a white box with \"350 WATT\" printed in red is visible.\n\n150-300s: The scene shifts to a power tool area featuring a belt sander and a drill press. The person uses the belt sander to smooth the edges of the green dinosaur cutout. They then move to a scroll saw and cut circular shapes from a piece of wood, likely creating additional wheels. Returning to the main workbench, they repeat the gluing process, applying glue to the centers of more wooden wheels using the cotton swab. They assemble another axle and attach it to the dinosaur, securing the wheels in place. A blue paint can labeled \"TUTTO\" is visible on the shelf.\n\n300-450s: The person continues to work on the wheel assembly, ensuring the axles are firmly seated. They pick up a fine-tipped paintbrush and dip it into the orange paint on the cloud palette. They begin painting the faces of the wooden wheels orange, carefully coating the surface.\n\n450-600s: The painting of the wheels continues until all visible wheels are coated in orange paint. After finishing, the person cleans the brush in a jar (likely containing water or solvent) and wipes it dry with a cloth. They then take a piece of sandpaper and gently sand the freshly painted orange wheels, smoothing the surface.\n\n600-750s: The person transitions to a new task. They take a rectangular piece of wood and use a red heart-shaped stencil to trace an outline onto it with a pencil. They take the marked wood to the scroll saw and carefully cut out the heart shape. Next, they use the belt sander to smooth the curved edges of the cut heart. Back at the bench, they perform final hand-sanding on the heart shape.\n\n750-900s: Using the same paintbrush and orange paint, the person paints the wooden heart shape. They apply the paint evenly to cover the entire surface. Once painted, they clean the brush again.\n\n900-1050s: With the heart component finished, the person returns to the green dinosaur. They use a pencil to mark a spot on the dinosaur's body, possibly indicating where to add a detail like an eye. They perform some final sanding on the dinosaur body, focusing on the areas near the wheel attachments to ensure a smooth finish.\n\n1050-1200s: The video concludes with a broader view of the workshop. The camera pans over shelves stocked with various paint cans and supplies. The workbench remains cluttered with the tools used throughout the process: a hammer, ruler, glue, tape, and sandpaper. The partially completed wooden toys\u2014the green dinosaur with orange wheels and the painted orange heart\u2014are visible on the table.", "questions": [{"question": "After I finished sanding the green dinosaur cutout with the belt sander, what did I do next with the wooden wheels before attaching them to the dinosaur?", "options": ["A. I applied glue to the centers of the wheels using a cotton swab.", "B. I painted the wheels orange with a fine-tipped brush.", "C. I sanded the wheels with fine sandpaper to smooth them.", "D. I traced a heart shape onto a rectangular piece of wood."], "answer": "A", "evidence": "After sanding the dinosaur, the person repeats the gluing process, applying glue to the centers of more wooden wheels using the cotton swab, then assembles another axle and attaches it to the dinosaur.", "timestamps": "150-300s (sanding and gluing) and 300-450s (painting later)"}, {"question": "After I finished painting all the wheels orange, what did I do to the brush and the wheels before starting the heart project?", "options": ["A. I cleaned the brush in a jar and sanded the painted wheels gently.", "B. I wiped the brush dry and applied a second coat of paint.", "C. I rinsed the brush under water and let the wheels dry overnight.", "D. I stored the brush in a drawer and polished the wheels with a cloth."], "answer": "A", "evidence": "After painting the wheels, the person cleans the brush in a jar, wipes it dry with a cloth, then takes sandpaper and gently sands the freshly painted orange wheels.", "timestamps": "450-600s (cleaning and sanding) and 600-750s (starting heart project)"}, {"question": "Long after I had painted the dinosaur's wheels orange, I returned to work on the dinosaur. What was the first thing I did with it, and what tool did I use?", "options": ["A. I sanded the edges of the dinosaur's body with a belt sander", "B. I painted the dinosaur's body with a fine-tipped paintbrush", "C. I marked a spot on the dinosaur's body with a pencil", "D. I glued a second set of wheels to the dinosaur with a glue bottle"], "answer": "C", "evidence": "After finishing the heart, the description says: 'They use a pencil to mark a spot on the dinosaur's body, possibly indicating where to add a detail like an eye.'", "timestamps": "300-600s and 900-1050s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "164c98a6-8cd9-47db-85c5-4dfb8d99c35b", "description": "0-120s: The video begins with a first-person view of a person sharpening a large kitchen knife on a yellow rectangular whetstone placed on a table covered with a light blue floral tablecloth. To the left is a crumpled light blue towel and a silver cocktail shaker. The person holds the knife handle with their right hand and applies pressure to the blade with their left hand, sliding it back and forth across the stone. They frequently pause to inspect the blade's edge, running their thumb carefully along the side to check for sharpness or burrs. Around 120s, they pick up a piece of paper (appearing to be a magazine page or flyer) and slice through it to test the edge.\n\n120-180s: After the initial paper test, the person continues to inspect the blade. They then stand up and walk towards a kitchen area. At roughly 180s, they open a refrigerator door. Inside, shelves are visible with various food items. They reach into a bottom drawer filled with vegetables and retrieve a small green object, likely a grape or an olive.\n\n180-240s: The person walks back to the table with the green object. They hold it in their left hand and proceed to slice it thinly with the knife to further test its sharpness. The knife cuts through the small object cleanly. Following this test, they return to sharpening.\n\n240-420s: The person switches to a different whetstone, which is brown and labeled \"180#\" and \"HAND TOOLS\" on its packaging box nearby. They resume the sharpening process on this stone, using similar sliding motions. They periodically wipe the blade with the blue towel to remove residue. This phase involves extensive sharpening and inspection, ensuring the edge is refined.\n\n420-480s: Towards the end, the person picks up another piece of paper from the wooden floor (which appears to be a discarded flyer or page). They slice through this paper vertically to demonstrate the final sharpness of the knife. Satisfied, they walk to the kitchen counter, where a magnetic knife strip is mounted on a grey tiled wall. They place the sharpened knife onto the magnetic strip alongside other knives, concluding the activity.", "questions": [{"question": "I opened the refrigerator during sharpening. What did I take out, and what did I do with the knife after finishing on the brown whetstone?", "options": ["A. a small green object, and I tested it on a piece of paper from the floor", "B. a small green object, and I placed the knife on a magnetic strip", "C. a magazine page, and I tested it on a piece of paper from the floor", "D. a magazine page, and I placed the knife on a magnetic strip"], "answer": "A", "evidence": "At 180s I retrieved a small green object from the fridge. After sharpening on the brown whetstone (240-420s), I tested the blade on a floor paper (420-480s).", "timestamps": "180s and 420-480s"}], "n_frames_described": 100, "rejected_blind": 8, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "1384bb12-9d9c-4602-91cc-2756a4ac12ed", "description": "0-15s: The video opens with a first-person perspective in a modern, well-lit office or showroom. A bald man in a grey hoodie walks past the camera from right to left. The camera then pans down and moves forward, following two women walking down a hallway. One woman has reddish hair tied up and is wearing a black top and skirt; the other has blonde hair and is also dressed in black. They walk past a white chair holding a silver water bottle.\n\n15-30s: The camera continues its journey, panning across a lounge area with large windows, sofas, and decorative items like colorful pinwheels. It then moves back into the hallway, passing a distinctive wall mural featuring a large pink sun over green mountains. The camera approaches a dark grey door with a sign that reads \"Fuego\" and the number \"314\".\n\n30-60s: After briefly showing some cardboard boxes on the floor, the camera turns to show the group of people again. The woman with reddish hair, now clearly visible wearing sunglasses and a green lanyard, smiles at the camera. The group proceeds down the hallway, which features glass-walled rooms on one side and the mountain mural on the other. The camera enters another room, this one set up as a bedroom with a bed, nightstand, and clothing rack.\n\n60-90s: The camera explores the bedroom and an adjacent living space, showing more furniture including grey sofas, a glass coffee table, and various lamps. The view frequently shifts, looking out the large windows at a parking lot and trees outside before returning to the interior. The woman with sunglasses is seen holding a plastic water bottle.\n\n90-120s: The camera focuses on details within the room, including a close-up of a drum pad on the floor next to a white rug and bookshelf. It then pans up to the exposed industrial-style ceiling, showing ductwork, lighting fixtures, and security cameras. The movement is somewhat shaky, indicating the person holding the camera is walking and turning.\n\n120-150s: The tour continues through different sections of the open-plan space. The camera passes by a small kitchenette area with a coffee maker and snacks on a shelf. It captures reflections in the glass walls and doors, showing the layout of the interconnected rooms. The woman with sunglasses remains a central figure, often smiling and interacting with the person filming.\n\n150-180s: The camera settles on the woman with sunglasses as she sits down, facing the lens directly. She appears to be speaking or reacting to something off-camera, her expressions changing from smiling to thoughtful. In the background, the lounge area with the white sofa and red blanket is visible, along with a Cintas fire safety cabinet mounted on the wall.\n\n180-210s: The woman continues to engage with the camera, laughing and talking. Her green lanyard has text on it, but it is not legible. The background remains consistent, showing the same office environment with its mix of modern furniture and industrial elements. The lighting is bright, primarily from overhead fluorescent lights and natural light from the windows.\n\n210-240s: The camera angle shifts slightly, providing different views of the woman and her surroundings. At one point, the camera looks up towards the ceiling again, highlighting the complex network of pipes and wires. The overall atmosphere is casual and exploratory, as if documenting a visit or tour of the facility.\n\n240-270s: The focus returns to the woman, who maintains eye contact with the camera. She gestures occasionally while speaking. The background shows the same familiar elements: the lounge area, the Cintas cabinet, and the glass partitions. The scene suggests a conversation or interview taking place in this unique office setting.\n\n270-300s: The woman's expressions continue to vary, indicating an ongoing dialogue. The camera remains relatively steady, capturing her reactions and the ambient details of the room. The presence of other people in the background, though blurred, adds to the sense of a shared space.\n\n300-330s: As the video progresses, the woman's engagement with the camera persists. The consistent background reinforces the location as a single, continuous environment. The interplay of light and shadow from the windows creates dynamic visual patterns on the floors and walls.\n\n330-360s: The final moments of the video maintain the focus on the woman. She continues to speak and react, her demeanor friendly and animated. The camera captures her from a close-up perspective, emphasizing her facial expressions and the details of her attire, including the sunglasses and lanyard. The video concludes with this intimate shot, leaving the impression of a personal interaction within a professional yet creative space.", "questions": [{"question": "After I later saw the drum pad beside the white rug, I remembered an object I had passed in the first seconds of the whole tour. Which object was it?", "options": ["A. a white chair holding a silver water bottle near the entrance", "B. a cardboard box lying on the floor of the open hallway", "C. a kitchenette shelf stocked with snacks and a coffee maker", "D. a red blanket draped over the back of a white sofa"], "answer": "A", "evidence": "0-15s: white chair holding a silver water bottle. 90-120s: drum pad on the floor next to a white rug and bookshelf.", "timestamps": "0-15s and 90-120s"}, {"question": "After I later saw the woman wearing sunglasses and a green lanyard, what had she been wearing when I first saw her in the opening hallway of the building?", "options": ["A. a grey hoodie worn by a bald man walking past the camera", "B. a black outfit worn by the blonde woman beside her", "C. a black top and skirt with her reddish hair tied up", "D. sunglasses and a green lanyard around her neck"], "answer": "C", "evidence": "0-15s: woman with reddish hair tied up wearing a black top and skirt. 30-60s: same woman now visible wearing sunglasses and a green lanyard.", "timestamps": "0-15s and 30-60s"}, {"question": "Before I reached the kitchenette area near the end of the tour, which of these had I already passed while walking through the hallway?", "options": ["A. a coffee maker and snacks arranged on a kitchenette shelf", "B. a drum pad placed beside a white rug and a bookshelf", "C. a Cintas fire safety cabinet mounted on the wall", "D. a wall mural of a large pink sun over green mountains"], "answer": "D", "evidence": "15-30s: wall mural featuring a large pink sun over green mountains. 120-150s: kitchenette area with coffee maker and snacks on a shelf.", "timestamps": "15-30s and 120-150s"}, {"question": "After I saw the drum pad on the floor, which object did I see first before reaching the bedroom, and which object did I see last before the video ended?", "options": ["A. a cardboard box lying on the floor; a red blanket draped over a white sofa", "B. a silver water bottle resting on a white chair; sunglasses and a green lanyard", "C. a pink sun mural above green mountains; a Cintas fire safety cabinet", "D. a dark grey door marked with a sign; a coffee maker on a kitchenette shelf"], "answer": "B", "evidence": "0-15s: white chair holding a silver water bottle. 330-360s: close-up emphasizing her sunglasses and lanyard.", "timestamps": "0-15s and 330-360s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "17bb68e6-328e-428d-8f1c-9fbf8b2471f2", "description": "0-45s: The video begins in a dining area featuring a wooden table surrounded by white chairs and an orange lamp. The camera moves through a doorway into a dimly lit room where a cordless stick vacuum is resting on the floor. The person picks up the vacuum and enters a kitchen with light-colored tiled flooring. They begin vacuuming near a silver refrigerator covered in magnets and photos. A light green pedal bin is moved aside by hand to allow cleaning of the floor behind it.\n\n45-120s: Vacuuming continues across the kitchen tiles. The person navigates around cardboard boxes stacked near the fridge and cleans along the base of white kitchen cabinets. An oven with patterned tea towels hanging on the handle is visible nearby. The vacuum head goes under a white washing machine labeled \"LG\" and along a white radiator situated beneath a window. The person then transitions from the tiled kitchen floor to the beige carpet of the adjacent living/dining area.\n\n120-180s: In the living area, the person vacuums around a grey sofa draped with a purple blanket and a bright blue armchair. They maneuver the vacuum under the legs of the white dining chairs. At one point, a chair is pulled out slightly to reach the carpet underneath. The cleaning proceeds towards a black fireplace hearth adorned with plants and greeting cards, and then along the base of a wooden TV stand.\n\n180-268s: The person moves into a hallway, vacuuming the carpet leading to an entryway. Here, a grey and yellow striped rug lies next to a metal shoe rack filled with footwear. The rug is lifted by hand to vacuum the carpet beneath it before being laid flat again. Finally, the person enters a bedroom with blue walls. They use a long-handled yellow duster to clean a white radiator, followed by wiping it with a blue cloth. The video concludes with the person using the same blue cloth to wipe down the surfaces of a white shelving unit containing books and toiletries.", "questions": [{"question": "Before I steered the vacuum off the tiled kitchen floor and onto the beige living-room carpet, which surface had I just finished cleaning?", "options": ["A. the tiled floor that was located behind the light green pedal bin", "B. the floor space that sat underneath the white LG washing machine", "C. the narrow baseboards that ran along the white kitchen cabinets", "D. the area beneath the white radiator by the kitchen window"], "answer": "D", "evidence": "The vacuum head goes under a white washing machine labeled 'LG' and along a white radiator situated beneath a window. The person then transitions from the tiled kitchen floor to the beige carpet of the adjacent living/dining area.", "timestamps": "45-120s and 120-130s"}, {"question": "What item did I use to wipe down the white shelving unit, and what earlier object had I wiped with that same item before reaching the shelves?", "options": ["A. a long-handled yellow duster, which I had used to clean the white radiator", "B. a blue cloth, which I had used to wipe the white radiator", "C. a blue cloth, which I had used to dust the wooden TV stand", "D. a long-handled yellow duster, which I had used on the grey sofa"], "answer": "B", "evidence": "They use a long-handled yellow duster to clean a white radiator, followed by wiping it with a blue cloth. The video concludes with the person using the same blue cloth to wipe down the surfaces of a white shelving unit.", "timestamps": "220-230s and 240-250s"}, {"question": "After I had finished vacuuming the hallway carpet, which room's floor did I leave completely unvacuumed, and what cleaning task did I perform there instead?", "options": ["A. the bedroom, where I dusted the white radiator and then wiped the shelving unit", "B. the hallway, where I lifted the striped rug and vacuumed the carpet beneath", "C. the living room, where I moved the green pedal bin aside to clean behind it", "D. the kitchen, where I vacuumed underneath the white washing machine"], "answer": "A", "evidence": "The person moves into a hallway, vacuuming the carpet leading to an entryway. ... Finally, the person enters a bedroom with blue walls. They use a long-handled yellow duster to clean a white radiator, followed by wiping it with a blue cloth. The video concludes with the person using the same blue cloth to wipe down the surfaces of a white shelving unit.", "timestamps": "200-220s and 230-268s"}, {"question": "After I had already vacuumed the kitchen floor, what did I then do with the grey and yellow striped rug that was lying in the hallway?", "options": ["A. laid it flat again after wiping its top surface with the blue cloth", "B. folded it and placed it on top of the metal shoe rack", "C. lifted it by hand so I could vacuum the carpet underneath it", "D. dragged it into the bedroom and left it on the blue floor"], "answer": "C", "evidence": "A grey and yellow striped rug lies next to a metal shoe rack filled with footwear. The rug is lifted by hand to vacuum the carpet beneath it before being laid flat again.", "timestamps": "0-120s and 190-210s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "15b03b30-201b-452b-948a-07571e4177c5", "description": "**0-35s: Retrieving the recycling caddy**\nThe video begins in a kitchen with a view of a stainless steel sink and countertop cluttered with dishes. The camera pans down and to the right, revealing a white, rectangular plastic box (a recycling caddy) sitting on the floor next to a white interior door. The person reaches down with both hands, grasps the sides of the white box, and lifts it. They turn and walk out of the kitchen, carrying the closed white box. They traverse a hallway, passing a white radiator mounted on the wall, and approach a grey exterior door with a silver handle.\n\n**35-85s: Transporting outside**\nThe person opens the grey door and steps out into a covered porch area. They navigate past a yellow traffic cone and descend a few steps onto a wet concrete patio. They proceed along a narrow, paved pathway bordered by a brick wall on the left and a wooden fence on the right. The path leads past a wooden gate. As they walk, the white box remains held securely at waist height. They arrive at an outdoor area containing several large wheeled bins.\n\n**85-220s: Sorting and recycling glass**\nThe person places the white box on the ground next to a row of recycling bins. Visible labels on the bins include \"Cans Plastics,\" \"mixed glass bottles & jars,\" and a brown bin labeled \"Cardboard only please flatten.\" The person opens the lid of the white box, revealing it is packed with empty glass bottles, including brown beer bottles (some with \"IPA\" labels), a large blue Bombay Sapphire gin bottle, and various wine bottles.\n\nInitially, the person attempts to dispose of the bottles by inserting them through the circular aperture in the lid of the green \"mixed glass\" bin. However, they soon lift the entire lid of the green bin to deposit the bottles directly inside. They systematically remove bottles from the white box\u2014sometimes one at a time, sometimes grabbing two or three\u2014and drop them into the green bin. The contents of the white box transition from full to empty over this period. Specific items discarded include a clear spirit bottle, a large blue gin bottle, and multiple wine bottles.\n\n**220-273s: Returning the empty caddy**\nOnce the white box is completely empty, the person closes its lid. They pick up the now-lighter box and begin the return journey. They walk back along the same paved path, passing through the wooden gate and up the steps into the porch. They open the grey door and re-enter the house, walking back through the hallway and into the kitchen. In the background, another person (a woman in dark clothing) is visible standing at the kitchen counter. The video concludes as the person places the empty white box back on the floor in its original spot near the door.", "questions": [{"question": "After I had emptied the caddy, what did I do with it, and where had I first lifted it from?", "options": ["A. I left it outside next to the recycling bins, where I had first placed it.", "B. I took it to the porch and set it near the yellow cone, where I had first seen it.", "C. I returned it to the kitchen floor next to the door, where I had first picked it up.", "D. I placed it on the kitchen counter, where I had first noticed it."], "answer": "C", "evidence": "Once the white box is completely empty, the person closes its lid. They pick up the now-lighter box and begin the return journey. They walk back along the same paved path, passing through the wooden gate and up the steps into the porch. They open the grey door and re-enter the house, walking back through the hallway and into the kitchen. The video concludes as the person places the empty white box back on the floor in its original spot near the door.", "timestamps": "85-220s (emptying) and 220-273s (return)"}, {"question": "On my return trip with the empty caddy, which of these actions did I also perform on my way out?", "options": ["A. Descending the steps onto the wet concrete patio.", "B. Navigating past the yellow traffic cone on the porch.", "C. Lifting the entire lid of the green mixed-glass bin.", "D. Passing through the wooden gate that bordered the paved pathway."], "answer": "D", "evidence": "On the way out: 'The path leads past a wooden gate.' On the return: 'They walk back along the same paved path, passing through the wooden gate and up the steps into the porch.'", "timestamps": "35-85s (outward) and 220-273s (return)"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "148e19c7-6d6c-4ae2-82ad-e99b5f386ee4", "description": "0-45s: The video begins with a first-person view of a workshop table saw. On the grey surface sits a yellow tape measure and a white dust mask. The person reaches out, briefly touches the mask, and then retrieves a green and black jigsaw from a shelf or bench to the right. They hold the jigsaw, appearing to inspect or adjust the base plate and blade mechanism before moving toward a work area.\n\n45-180s: The person positions themselves at a large, light-colored board (likely MDF) clamped to a workbench. A curved line has been drawn on the wood. They begin cutting along this line using the jigsaw. The camera focuses closely on the blade entering the wood and following the curve. Sawdust is generated as the cut progresses. The person carefully guides the tool along the entire length of the marked line, eventually separating a curved strip of wood from the main board.\n\n180-225s: After finishing the cut, the person sets the jigsaw down. They pick up the original packaging box for the tool, which displays the \"BOSCH\" logo and text indicating it is a jigsaw (\"Scie sauteuse\"). They coil the black power cord neatly and place the jigsaw inside the box. The box is then carried over and placed onto a lower shelf among other tools and boxes.\n\n225-480s: The person picks up the newly cut wooden pieces and walks to a different workstation featuring a drill press fitted with a sanding drum (spindle sander). A blue bucket with a vacuum hose is nearby. They connect the flexible grey vacuum hose to the dust extraction port on the sander. Turning on the machine, they begin sanding the edges of the cut wooden pieces against the rotating drum. They methodically move the wood back and forth against the abrasive drum to smooth the rough edges left by the jigsaw, refining the curved shapes. This sanding process continues until the end of the video.", "questions": [{"question": "After I finished cutting the curved line, what did I do with the jigsaw before I began sanding the wooden pieces?", "options": ["A. I placed it into its original packaging box and stored it on a lower shelf. ", "B. I coiled its black power cord and left it on the workbench. ", "C. I picked up the cut wooden pieces and carried them to the drill press. ", "D. I adjusted its base plate and blade mechanism for a new cut. "], "answer": "A", "evidence": "sets the jigsaw down. They pick up the original packaging box... coil the black power cord neatly and place the jigsaw inside the box. The box is then carried over and placed onto a lower shelf.", "timestamps": "180-225s and 225-480s"}, {"question": "After cutting the curved line, what did I do with the jigsaw, and where did I take the wooden pieces?", "options": ["A. I coiled the jigsaw's cord and took the pieces to the workbench. ", "B. I adjusted the jigsaw's base plate and took the pieces to the shelf. ", "C. I stored the jigsaw in its box and took the pieces to the drill press. ", "D. I set the jigsaw down and took the pieces to the table saw. "], "answer": "C", "evidence": "place the jigsaw inside the box. The box is then carried over and placed onto a lower shelf. picks up the newly cut wooden pieces and walks to a different workstation featuring a drill press", "timestamps": "180-225s and 225-480s"}, {"question": "What did I do with the jigsaw between finishing the cut and starting to sand the wooden pieces?", "options": ["A. Coiled its power cord and placed it in its packaging box.", "B. Adjusted its base plate and blade mechanism.", "C. Connected a grey vacuum hose to its dust port.", "D. Sanded the edges of the wooden pieces against a drum."], "answer": "A", "evidence": "They coil the black power cord neatly and place the jigsaw inside the box (180-225s). Cutting occurred 45-180s; sanding began 225s.", "timestamps": "45-180s and 225-480s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "194b473e-025a-4494-addc-1896341d0164", "description": "0-45s: The video begins with a first-person view of a cluttered bedroom. On the bed, which has a colorful patterned comforter, are several items including an open cardboard box filled with small bottles and boxes, a round orange-and-pink pouch, a blue shoebox, and various pieces of clothing. A person's hand reaches for a white smartphone lying on the bed, picks it up, and holds it in both hands to look at the screen. After a moment, they place the phone back down.\n\n45-135s: The person continues to organize items on the bed. They pick up the blue shoebox, which is now revealed to be full of miscellaneous items like cables and small electronics, and set it aside. They then handle the other open cardboard box, moving it around. The camera pans across the room, showing a desk by the window, a blue cube-storage dresser with a TV on top, and more clutter on the floor. The person picks up a black book or case with the word \"Teva\" visible in yellow text before placing it down again.\n\n135-220s: The person moves around the room, briefly exiting the bedroom into a hallway and then returning. Back in the bedroom, they interact with a tricolor dog (black, white, and tan) that is lying on the carpeted floor, petting its head and neck. Afterward, they walk over to a small wooden nightstand next to the bed. They unplug a white charging cable from a power strip or outlet behind the nightstand and then plug it back in.\n\n220-270s: The person returns to the bed and picks up a black backpack. They begin to pack it, taking items from the pile of clothes and gear on the bed and putting them inside. This includes what appears to be a pair of dark-colored boots and other soft goods. The packing process is methodical as they fill the bag.\n\n270-360s: The person leaves the bedroom again and walks into a bathroom. The bathroom has yellow-tiled walls and a double sink vanity. They open the medicine cabinet above the sinks, revealing shelves stocked with toiletries. They then open the cabinet doors under the sinks. Placing a beige toiletry bag on the counter, they begin transferring items from the cabinets onto the counter and then into the bag. Items include tubes of toothpaste, bottles of lotion, and other personal care products. One red package has the brand name \"LUSH\" visible. They continue to sort through the cluttered under-sink cabinet, selecting more items to pack before the video ends.", "questions": [{"question": "After I set aside the blue shoebox, I later interacted with the tricolor dog. What did I do between setting down the shoebox and petting the dog?", "options": ["A. I unplugged the white charging cable behind the nightstand.", "B. I left the bedroom and walked out into the hallway for a short time.", "C. I opened the open cardboard box filled with small bottles.", "D. I picked up the black book with the word Teva in yellow."], "answer": "B", "evidence": "The person picks up the blue shoebox and sets it aside (45-135s). Later, they briefly exit the bedroom into a hallway before returning and petting the dog (135-220s).", "timestamps": "45-135s and 135-220s"}, {"question": "Earlier in the bedroom, I handled the blue shoebox. Later, in the bathroom, what did I place on the counter, and what did I do with the white charging cable behind the nightstand?", "options": ["A. I placed a beige toiletry bag on the counter, and I unplugged and replugged the cable.", "B. I placed a white smartphone on the counter, and I unplugged and replugged the cable.", "C. I placed a blue shoebox on the counter, and I picked up the cable without replugging it.", "D. I placed a black Teva case on the counter, and I did not touch the cable at all."], "answer": "A", "evidence": "The person handles the blue shoebox (45-135s). Unplugs and replugs the white charging cable behind the nightstand (135-220s). Places a beige toiletry bag on the counter in the bathroom (270-360s).", "timestamps": "45-135s, 135-220s, and 270-360s"}, {"question": "What did I pick up first in the video, and what did I do with the blue shoebox right after I picked it up?", "options": ["A. I picked up a white smartphone, and I set the blue shoebox aside.", "B. I picked up a black Teva case, and I moved the open cardboard box.", "C. I picked up the round orange-and-pink pouch, and I handled the blue shoebox.", "D. I picked up the black backpack, and I unplugged the white charging cable."], "answer": "A", "evidence": "At the start, the person reaches for and picks up a white smartphone (0-45s). Later, they pick up the blue shoebox and set it aside (45-135s).", "timestamps": "0-45s and 45-135s"}, {"question": "After I packed the black backpack on the bed, I went to the bathroom. Before I placed the toiletry bag on the counter, what did I do?", "options": ["A. I opened the open cardboard box filled with small bottles.", "B. I picked up the red package with the LUSH brand name.", "C. I opened the medicine cabinet above the double sink vanity.", "D. I petted the tricolor dog lying on the carpeted floor."], "answer": "C", "evidence": "The person packs the black backpack on the bed (220-270s). In the bathroom, they open the medicine cabinet above the sinks before placing the toiletry bag on the counter (270-360s).", "timestamps": "220-270s and 270-360s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "1c597fc1-7bd0-4325-abbc-645e3ec71866", "description": "**0-60s: Ingredient Prep and Initial Frying**\nThe video begins with the person sealing a green ziplock bag containing yellowish, breaded items (likely croquettes). They briefly walk towards the refrigerator/microwave area but return to the sink to wash and dry their hands. Next, they open another green ziplock bag containing green vegetables (broccoli). The scene cuts to the person sitting on the floor, mixing a large metal bowl of shredded cabbage, likely preparing a salad base. Back at the counter, the workspace is organized: a plastic tray holds raw breaded croquettes, the cabbage bowl sits nearby, and a pot of oil is heating on the stove. The person lifts the lid of the frying pan and begins frying the croquettes, using chopsticks to turn them in the hot oil.\n\n**60-120s: Soup Service and First Batch Removal**\nWhile the croquettes fry, the person attends to a smaller pot on the adjacent burner. They lift the lid to check the contents, revealing a simmering soup. Using a ladle, they serve the soup into two wooden bowls. They carry these bowls to the low dining table in the living room. Returning to the kitchen, they use chopsticks to remove the first batch of golden-brown fried croquettes from the oil, placing them onto a rectangular tray lined with white paper towels to drain excess oil.\n\n**120-180s: Cleanup and Second Batch Frying**\nThe person continues the cooking cycle. They place a new raw croquette into the hot oil. Immediately after, they take the plastic tray used for breading to the sink and rinse it thoroughly under running water. They also wipe down the stainless steel countertop with a cloth to remove crumbs and oil splatters. The bowl of shredded cabbage is moved slightly to make space.\n\n**180-240s: Plating Sides**\nThe person retrieves white patterned plates from an overhead cupboard. They go to the refrigerator and take out a blue plastic container filled with broccoli florets. They portion the broccoli into two small blue patterned bowls. These side dishes are carried to the dining table. Back in the kitchen, the person transfers the shredded cabbage from the metal mixing bowl onto the large white plates, creating a bed for the main dish.\n\n**240-300s: Plating the Main Dish**\nFrying resumes. The person uses chopsticks to flip croquettes in the oil. Once cooked, they are removed and placed on the paper towel-lined tray. The person then transfers the cooked croquettes from the tray onto the plates, arranging two pieces on top of the shredded cabbage for each serving. This process is repeated for multiple batches.\n\n**300-360s: Final Touches and Cleanup**\nWith the main plating nearly complete, the person cleans the paper towel tray, discarding the used, oily paper. They wash their hands at the sink. The camera shows the two fully plated meals on the counter: shredded cabbage topped with golden croquettes. The person checks the oil one last time to ensure no pieces are left burning.\n\n**360-420s: Retrieving Condiments**\nThe person opens a drawer under the counter to retrieve condiments, selecting a bottle of sauce. They then open the refrigerator door and take out additional bottles, possibly drinks or more sauces. Visible text on a yellow package above the sink reads \"16mm\".\n\n**420-480s: Final Table Setting**\nThe person carries the bottles to the dining table and places them alongside the plates and soup bowls. The final shots show the prepared meal ready to be eaten, with the TV on in the background displaying text that includes \"Tokyo\". The kitchen counter is mostly cleared, leaving only the frying pot and prep bowls.", "questions": [{"question": "After I moved the metal bowl of shredded cabbage to make space on the counter, what did I later do with its contents before the meal was fully plated?", "options": ["A. divided it into two small blue patterned bowls as a side dish", "B. transferred it onto the large white plates as a bed for croquettes", "C. ladled it into two wooden bowls and carried them to the low table", "D. placed it on the paper towel-lined tray to drain excess oil"], "answer": "B", "evidence": "The bowl of shredded cabbage is moved slightly to make space. ... the person transfers the shredded cabbage from the metal mixing bowl onto the large white plates, creating a bed for the main dish.", "timestamps": "120-180s and 180-240s"}, {"question": "After I finished plating the croquettes on the shredded cabbage, what did I later take out of the refrigerator, and what had I done immediately before opening it?", "options": ["A. broccoli florets from the blue container; I had wiped down the steel counter", "B. white patterned plates from the overhead cupboard; I had moved the cabbage bowl", "C. more bottles for the table; I had opened the drawer and chosen a sauce bottle", "D. two wooden soup bowls to the low table; I had ladled soup from the pot"], "answer": "C", "evidence": "The person then transfers the cooked croquettes from the tray onto the plates... The person opens a drawer under the counter to retrieve condiments, selecting a bottle of sauce. They then open the refrigerator door and take out additional bottles.", "timestamps": "240-300s and 360-420s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "1f8f95ac-ff6c-4397-ae23-719bc9a61bd7", "description": "0-45s: The video begins with a first-person view of someone standing on a tiled patio. In front of them is an open white plastic bag containing some green, leafy waste. To the right are a grey dustpan and a red-bristled broom. The person uses their hands to adjust the contents of the bag. They then walk away from the bag towards another area of the patio.\n\n45-120s: The person picks up the long-handled broom and the grey dustpan. They move to a section of the patio near some bushes where there is a pile of dry leaves and other debris. Using the broom, they sweep the leaves into the dustpan held in their other hand. Once the dustpan is full, they carry it back to the original location and carefully pour the collected leaves into the white plastic bag. They use their hand to ensure all the contents are transferred before setting the empty dustpan down.\n\n120-180s: After depositing the first load of leaves, the person briefly rubs their hands together. They then pick up the broom again and walk across the patio to a different area with reddish-brown tiles, adjacent to an outdoor kitchen counter. This area also has scattered leaves and small pieces of trash. The person begins sweeping this new area, gathering the debris into a pile.\n\n180-240s: The person continues to sweep the reddish-brown tiled area, methodically pushing the debris towards the edge of the patio. They gather the swept material into a more compact pile using both the broom and the dustpan. After collecting a sufficient amount, they lift the dustpan, which now contains the second batch of refuse, and carry it back towards the white plastic bag.\n\n240-300s: The person empties the contents of the dustpan into the white plastic bag for a second time. Afterward, they place the broom and dustpan down next to the bag. They then walk over to the outdoor kitchen sink area, which has various items on the counter, including a large water bottle, a bottle of dish soap, and a black pan holding barbecue utensils. The person picks up a piece of paper or cardboard from the counter and discards it into the bag.\n\n300-360s: The person continues tidying the outdoor kitchen area. They pick up several small cups and cans from the counter and dispose of them in the white plastic bag. They also handle a green sponge and what appears to be a small plant cutting, adding these to the bag as well. Their movements are deliberate, clearing the countertop surface.\n\n360-402s: With the main cleaning tasks complete, the person takes a final look around the patio. They pick up a cigarette pack and lighter, then walk around the space one last time, ensuring everything is in order. The video concludes with the person standing on the now-cleaner patio, having finished their cleanup routine. The tools (broom, dustpan) and the full trash bag remain in their designated spot by the wall.", "questions": [{"question": "After I swept the first pile of leaves into the dustpan, where did I take the next load from before emptying it into the same white bag?", "options": ["A. the reddish-brown tiled area next to the outdoor kitchen counter", "B. the grassy strip along the far side of the patio near the bushes", "C. the concrete walkway leading from the patio to the side gate", "D. the shaded corner under the eaves where the broom was stored"], "answer": "A", "evidence": "The person sweeps the reddish-brown tiled area adjacent to an outdoor kitchen counter, gathers debris, then carries the dustpan back to the white plastic bag.", "timestamps": "120-180s and 180-240s"}, {"question": "After emptying the dustpan into the white bag for the second time, what did I do with the broom and dustpan before moving to the outdoor kitchen area?", "options": ["A. I placed them on the ground next to the white plastic bag", "B. I leaned them against the wall near the patio entrance", "C. I returned them to the storage closet beside the door", "D. I carried them with me to the outdoor kitchen sink"], "answer": "A", "evidence": "The person places the broom and dustpan down next to the bag after emptying the second load, then walks to the outdoor kitchen sink.", "timestamps": "240-300s and 300-360s"}, {"question": "Earlier, after I swept the first load of leaves from the area near the bushes, what did I do with my hands before picking up the broom again to sweep the reddish-brown tiles?", "options": ["A. I rubbed my hands together briefly", "B. I wiped my hands on my trousers", "C. I adjusted the contents of the white bag", "D. I picked up the dustpan and shook it clean"], "answer": "A", "evidence": "After depositing the first load of leaves, the person briefly rubs their hands together before picking up the broom again.", "timestamps": "120-180s and 180-240s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "1f5f5a6f-eedb-41b0-88c6-c84b8c9ce89c", "description": "0-18s: The video opens with a first-person perspective of someone sitting on a couch in a modern living room. In front of them is a white coffee table holding several items: a turquoise mug with a gold handle, a can of Red Bull, a partially built wooden Jenga tower, and the red-and-black cardboard box for the game, which has \"Jenga\" printed on it. The person holds a smartphone with a red case horizontally and begins watching a video.\n\n18-35s: The person puts the phone down momentarily, then picks it up again to scroll through a video application, likely YouTube, browsing different content options before selecting another video to watch. Their feet, wearing black-and-white patterned sneakers, are visible resting near the coffee table.\n\n35-92s: For an extended period, the person remains seated, actively engaged with their phone. They watch various short videos displayed in landscape mode. The camera occasionally shakes or pans slightly, showing more of the surrounding environment, including a light-colored sofa with orange pillows, a dark media console with a television, and large windows letting in daylight. The objects on the coffee table remain undisturbed throughout this time.\n\n92-107s: The person continues to interact with their phone, at one point using their other hand to tap the screen, possibly to like a video or access comments. They continue scrolling and watching different clips, maintaining their relaxed posture on the couch.\n\n107-134s: The scene remains consistent as the person watches more content on their phone. The focus stays on the phone screen and the immediate surroundings on the coffee table. There are no significant changes to the state or position of any objects in the room.\n\n134-160s: The person continues their activity of watching videos on the phone. The camera angle shifts slightly, but the overall setting and actions remain unchanged. The Jenga tower, drink, and snack box sit untouched on the table.\n\n160-188s: Still seated, the person scrolls through more videos on their smartphone. The content on the screen changes frequently, indicating active browsing and selection. The ambient lighting and arrangement of the living room stay constant.\n\n188-215s: The individual continues to be absorbed in their phone, watching a series of short video clips. The repetitive nature of the action suggests a leisurely period of entertainment. No new objects are introduced, and existing ones are not moved.\n\n215-242s: The person keeps watching videos on their phone. The camera briefly tilts up towards the ceiling lights before returning to the view of the coffee table and phone. The scene is static aside from the changing images on the phone's screen.\n\n242-269s: The activity persists with the person viewing content on their mobile device. The composition of the shot remains focused on the lower half of the frame, capturing the hands holding the phone and the items on the table.\n\n269-296s: The person continues to scroll and watch videos on their phone. The environment around them\u2014the couch, table, and background furniture\u2014remains completely still. The only movement comes from the person's hands and the content on the screen.\n\n296-323s: Still engaged with their phone, the person watches another video. The camera makes small adjustments, but the core elements of the scene do not change. The Jenga game and drinks are left alone on the table.\n\n323-350s: The person continues their session of watching videos on the phone. The frames show a continuous, uninterrupted period of this single activity within the same location.\n\n350-377s: The individual remains seated, focused on their phone. They swipe through the app interface and select new videos to play. The surrounding objects, including the Jenga set, are stationary.\n\n377-404s: The person continues to browse and watch videos on their smartphone. The scene is largely unchanged, depicting a quiet moment of personal entertainment in the living room.\n\n404-431s: The activity of watching videos on the phone carries on. The person's hands manipulate the device, scrolling and tapping, while the rest of the room remains static.\n\n431-458s: The person is still watching videos on their phone. The camera captures the same viewpoint over the coffee table, with the Jenga tower, mug, and energy drink can in their established positions.\n\n458-469s: The person gets up from the couch. The camera, now handheld, moves away from the living room area. It pans across the room, showing the sofa and windows, then moves into a hallway. Another person in a red shirt is seen smiling at the camera before they walk down the corridor together, passing glass-walled offices.", "questions": [{"question": "After I got up from the couch and walked down a corridor, I saw another person. What color was that person's shirt, and what had I been doing for the minutes before getting up?", "options": ["A. Red shirt, watching videos on my phone", "B. Blue shirt, playing with the Jenga tower", "C. Red shirt, drinking from the turquoise mug", "D. Blue shirt, reading the Jenga box"], "answer": "A", "evidence": "Another person in a red shirt is seen smiling at the camera before they walk down the corridor together, and the person was watching videos on their phone throughout the scene.", "timestamps": "0-18s and 458-469s"}, {"question": "Before I finally got up from the couch, I had spent a long time on my phone. Which item on the coffee table had a gold handle, and what did I do with my phone right after putting it down earlier?", "options": ["A. The turquoise mug, I picked my phone up again", "B. The Red Bull can, I left it on the table", "C. The Jenga tower, I picked my phone up again", "D. The Jenga box, I left it on the table"], "answer": "A", "evidence": "The turquoise mug with a gold handle is present, and the person puts the phone down momentarily then picks it up again to scroll.", "timestamps": "18-35s and 0-18s"}, {"question": "When I left the couch, I walked past glass-walled offices. What was the last thing I did before getting up, and what was the state of the Jenga tower?", "options": ["A. I was watching videos, and the tower remained partially built", "B. I was scrolling through comments, and the tower had been knocked over", "C. I was putting my phone down, and the tower was fully built", "D. I was looking at the ceiling, and the tower was on the floor"], "answer": "A", "evidence": "The person continues watching videos on their phone, and the Jenga tower is described as partially built and untouched throughout the video.", "timestamps": "404-431s and 134-160s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "1b1cd715-263b-4ad5-965d-62bff13f8f12", "description": "0-45s: The video begins with a shaky, first-person perspective scanning a cluttered garage floor. Scattered across the concrete are cardboard boxes, a stack of tires next to a black car, and various loose items. Around the 20-second mark, the camera focuses on a collection of silver metal flanges and black pipe connectors lying on the ground. A hand wearing a bright pink glove briefly enters the frame to adjust a small, grey electric space heater positioned near these metal parts.\n\n45-90s: The camera pans up and turns to reveal a man with short reddish-blond hair, wearing a red long-sleeved shirt under a black vest. He looks directly into the camera lens and smiles. The camera then moves past him, passing through a doorway into an adjacent workshop area. This space is densely packed with shelves, hanging tools, and potted plants, indicating a dedicated workspace.\n\n90-135s: The view shifts back to the garage floor, focusing on a new arrangement of materials. Several long, light-colored wooden planks are laid out on sheets of cardboard. Resting on top of these planks are multiple black metal bars, which appear to be components for a rack or grill. A white cardboard box and a can of spray paint are also visible, suggesting that painting or assembly is about to take place.\n\n135-225s: The action moves to the workshop area where the man begins working with the wood. He uses a yellow tape measure to measure the length of a large wooden board resting on a workbench. He marks a specific point with a pencil. He then positions the board under a large radial arm saw, carefully aligning the blade with his mark. He proceeds to cut the wood.\n\n225-315s: The woodworking process continues with precision. The man measures another section of the wood, double-checking the dimensions. Close-up shots show his hands, now wearing yellow and grey work gloves, holding the tape measure and marking the wood with a pencil. He operates the radial arm saw again to make another cut, separating a piece of the plank.\n\n315-405s: After completing the cuts, the man inspects the wooden pieces. He carries the cut planks across the workshop, navigating around various tools and equipment. He passes a white refrigerator covered in magnets and photos. He places the wood onto a different surface, possibly a table saw or another workbench, preparing for the next step.\n\n405-480s: In the final segment, the man continues to organize his workspace. He opens a drawer in a wooden workbench, revealing a jumble of tools and hardware inside. The camera pans around the workshop one last time, showing the radial arm saw, the table saw, and the general clutter of the active workspace before the video concludes.", "questions": [{"question": "After I later moved into the workshop and cut the planks, what had been lying on the garage floor next to the space heater I adjusted near the start of the video?", "options": ["A. long light-colored wooden planks laid out on sheets of cardboard", "B. a white cardboard box and a can of spray paint on the planks", "C. a jumble of tools and hardware inside the workbench drawer", "D. silver metal flanges and black pipe connectors on the concrete"], "answer": "D", "evidence": "The camera focuses on a collection of silver metal flanges and black pipe connectors lying on the ground. A hand wearing a bright pink glove briefly enters the frame to adjust a small, grey electric space heater positioned near these metal parts.", "timestamps": "0-45s and 315-405s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "2621b9a5-d9c6-4827-bc25-80b2e1e822df", "description": "0-45s: The video opens with a view of a kitchen counter featuring a stainless steel sink, a white dish rack, and a gas stovetop with a frying pan. The person opens the refrigerator and retrieves a tube of paste (likely wasabi or mustard) and two bottles of condiments\u2014one with a red body and one with a yellow cap\u2014placing them on the counter next to a small white bowl.\n\n45-90s: The person squeezes a small amount of the paste into the bowl, followed by pouring liquid from the yellow-capped bottle and then the red bottle (ketchup). After briefly mixing, they return the bottles and the tube to the refrigerator.\n\n90-135s: The person takes a package of cheese slices from the fridge and places it on the counter. They prepare a workspace by laying down aluminum foil and paper towels, then unwrap the cheese slices. Four square pieces of dough or bread are now visible in the frying pan on the stove.\n\n135-180s: The person washes their hands thoroughly in the sink. They dry their hands with a cloth and retrieve a spoon from a drawer below the counter.\n\n180-240s: Using the spoon, the person mixes the sauce in the small bowl. They then spread the sauce onto each of the four squares in the frying pan. Next, they bring a plate containing a mixture of cooked shrimp and vegetables and carefully spoon portions of this topping onto each sauced square.\n\n240-285s: Once all toppings are added, the person covers the frying pan with a lid. They proceed to clean the counter, discarding the used foil and paper towels, and wash the knife used earlier. They turn on the range hood fan above the stove.\n\n285-330s: The person retrieves a small stainless steel pot from a drawer below the stove. They add a spoonful of salt to the pot, fill it with water from the tap, and place it on an adjacent burner. They turn on the gas burner under the pot.\n\n330-390s: While the food cooks, the person wipes down the counter with a cloth. They briefly open the fridge again, possibly checking for more ingredients, then return to mixing the remaining sauce in the small bowl. They reach for a spice jar near the stove and then lift the lid of the frying pan to check on the progress of the dish.\n\n390-480s: The person continues to monitor the cooking process. They stir the sauce in the bowl one last time. They wash their hands again at the sink and dry them. The video concludes with the food simmering in the covered pan and the pot of water heating up on the stove.", "questions": [{"question": "While I was preparing the dish at the stove, which of these did I do before I covered the frying pan with its lid, rather than after?", "options": ["A. spreading the sauce and spooning shrimp-vegetable topping onto the four squares", "B. filling a small stainless steel pot with tap water and adding salt", "C. turning on the range hood fan above the stove to ventilate the kitchen", "D. wiping down the kitchen counter with a cloth before washing my hands"], "answer": "A", "evidence": "Using the spoon, the person mixes the sauce. They then spread the sauce onto each of the four squares... bring a plate containing a mixture of cooked shrimp and vegetables and carefully spoon portions of this topping onto each sauced square.", "timestamps": "180-240s and 240-285s"}, {"question": "Which of these items did I take from the refrigerator first, and what did I do with that item before I began preparing the cheese slices?", "options": ["A. the red bottle, and I poured some of its contents into the small bowl", "B. the tube of paste, and I squeezed some of it into the small white bowl", "C. the yellow-capped bottle, and I poured some of its contents into the small bowl", "D. the package of cheese slices, and I unwrapped them on the counter"], "answer": "B", "evidence": "The person opens the refrigerator and retrieves a tube of paste (likely wasabi or mustard) and two bottles of condiments... The person squeezes a small amount of the paste into the bowl.", "timestamps": "0-45s and 90-135s"}, {"question": "Which of these actions did I take only after I had cleaned the counter and turned on the range hood fan above the stove, while the food was cooking?", "options": ["A. spreading the prepared sauce onto the four dough squares in the frying pan", "B. spooning the shrimp and vegetable topping onto the sauced squares", "C. filling a small stainless steel pot with tap water and adding salt", "D. unwrapping the cheese slices and arranging them on paper towels"], "answer": "C", "evidence": "They cover the frying pan with a lid. They proceed to clean the counter... and turn on the range hood fan... The person retrieves a small stainless steel pot... They add a spoonful of salt to the pot, fill it with water from the tap.", "timestamps": "240-285s and 285-330s"}, {"question": "After I had spooned the shrimp and vegetable topping onto the four squares, what did the video show still happening at the very end?", "options": ["A. the sauce being mixed in the bowl and the cheese slices being unwrapped", "B. the shrimp and vegetables being spooned and the pan being covered", "C. the counter being wiped with a cloth and the knife being washed", "D. the food simmering in the covered pan and the pot of water heating up"], "answer": "D", "evidence": "The video concludes with the food simmering in the covered pan and the pot of water heating up on the stove.", "timestamps": "180-240s and 390-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "233a4811-a93a-4a56-92c0-6702b2e332e8", "description": "0-60s: The video begins with a first-person perspective in a compact kitchen. The person stands before a stainless steel sink, washing their hands under running water. They reach up to a drying rack above the sink and move a light green pot. To the right, a small yellow pot sits on a gas stovetop. A white cutting board is positioned on the counter between the sink and the stove.\n\n60-120s: The person takes a bunch of long green vegetables, appearing to be scallions or green onions, and washes them thoroughly under the tap. They place the wet vegetables on the white cutting board. Using a knife with a black handle, they chop the green onions into small, bite-sized pieces. The chopped onions are then transferred by hand into the yellow pot on the stove.\n\n120-180s: Next, the person picks up a rectangular block of white food, likely tofu, from a small white styrofoam tray sitting near the sink. They place the block on the cutting board and chop it into cubes. These white cubes are added to the yellow pot alongside the green onions.\n\n180-240s: The person proceeds to prepare green pods, which look like okra. They wash the okra under the tap, trim the stems, and slice them into smaller rounds on the cutting board. The sliced okra is placed into a pink plastic bowl.\n\n240-300s: The person takes the pink bowl containing the okra and places it inside a silver Toshiba microwave oven situated to the right of the stove. They close the microwave door and turn the dial on the control panel to set the cooking time.\n\n300-360s: While the okra cooks, the person handles a package of dried fish, possibly sardines, examining it. They also pick up a glass jar with a yellow lid, likely a seasoning container, and appear to be preparing to add flavorings to the dish.\n\n360-420s: The person turns to a small white refrigerator next to the microwave and opens the door. They retrieve a plastic container holding white noodles or vermicelli. After closing the fridge, they interact with the microwave again, opening the door to check on the contents.\n\n420-480s: The person removes the pink bowl from the microwave. They use chopsticks to eat the cooked okra directly from the bowl. Simultaneously, they chop a beige block, resembling fish cake or konjac, on the cutting board and add it to the yellow pot on the stove. The video concludes with the person alternating between eating the microwaved okra and tending to the simmering pot.", "questions": [{"question": "Just before I added the cubed tofu to the yellow pot, which of these tasks had I already finished?", "options": ["A. washing and chopping the green scallions into small pieces", "B. slicing the washed okra into small rounds on the board", "C. trimming the stems off the okra before slicing them", "D. chopping the beige fish cake block into small cubes"], "answer": "A", "evidence": "The chopped onions are then transferred by hand into the yellow pot on the stove. Next, the person picks up a rectangular block of white food... chops it into cubes. These white cubes are added to the yellow pot.", "timestamps": "60-120s and 120-180s"}, {"question": "When I finally ate the okra from the pink bowl, what had I done with it just before cooking?", "options": ["A. added it to the yellow pot with the other ingredients", "B. left it soaking in the sink after washing it", "C. placed it in the microwave and set the cooking time", "D. put it in the refrigerator to keep it fresh"], "answer": "C", "evidence": "The sliced okra is placed into a pink plastic bowl... places it inside a silver Toshiba microwave oven... The person removes the pink bowl from the microwave. They use chopsticks to eat the cooked okra directly from the bowl.", "timestamps": "180-240s and 420-480s"}, {"question": "After I opened the refrigerator door in the middle of the video, what did I do next, and what had I been examining just before that?", "options": ["A. added the noodles to the yellow pot and had been chopping the scallions", "B. checked the microwave and had been handling the dried fish and jar", "C. set the cooking time on the dial and had been washing the okra", "D. opened the microwave door and had been slicing the tofu"], "answer": "B", "evidence": "They also pick up a glass jar with a yellow lid... They turn to a small white refrigerator... They retrieve a plastic container... they interact with the microwave again, opening the door to check on the contents.", "timestamps": "300-360s and 360-420s"}, {"question": "Among the ingredients I prepared, which one did I cook in the microwave while leaving it out of the yellow pot?", "options": ["A. the chopped scallions that I transferred to the yellow pot", "B. the cubed white tofu that I added to the yellow pot", "C. the chopped beige fish cake block I put in the pot", "D. the sliced okra that I microwaved inside the pink bowl"], "answer": "D", "evidence": "The sliced okra is placed into a pink plastic bowl... places it inside a silver Toshiba microwave oven... The person removes the pink bowl from the microwave. They use chopsticks to eat the cooked okra... The yellow pot on the stove had scallions, tofu, and later beige block.", "timestamps": "180-240s and 240-300s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "195c5b8b-a461-4111-a5ff-d581a1edc9e9", "description": "**0-45s:** The video opens with a first-person perspective of someone cooking at a black gas stovetop. The person is using their hands to drop chopped white ingredients, likely onions or garlic, into a black frying pan. To the left of the stove sits a white electric rice cooker. On the countertop, several ingredients are prepped: a small white bowl containing raw minced meat, a plastic bottle of cooking oil with an orange cap, and a yellow packet (likely curry roux). A white cutting board with red corners and a yellow-handled knife are also visible.\n\n**45-90s:** The camera pans left, revealing the rest of the open-plan apartment, including a dining area with a round wooden table and a living room with a dark sofa. The person walks to the refrigerator, opens the bottom crisper drawer, and retrieves a red tomato. They then move to the stainless steel sink area.\n\n**90-135s:** At the sink, the person turns on the faucet and rinses the tomato. They proceed to wash the white cutting board and the yellow-handled knife under the running water. After cleaning the tools, they place the tomato on the dry cutting board.\n\n**135-180s:** The person slices the tomato into wedges using the knife. Once cut, they transfer the tomato pieces into a small, flower-shaped white bowl. During this time, the camera briefly shows the frying pan where the onions are sizzling.\n\n**180-225s:** Returning to the stove, the person picks up the bowl of minced meat and adds it to the frying pan with the saut\u00e9ing onions. Using a wooden spatula, they stir the mixture, breaking up the clumps of meat to cook it evenly with the onions.\n\n**225-270s:** The person pours water from a small clear glass into the pan. They continue to stir the meat and onion mixture. Afterward, they take a green cloth and wipe down the black glass surface of the stovetop to clean up any splatters.\n\n**270-315s:** The person picks up the yellow packet, which contains a block of curry roux. They break off pieces of the solidified sauce and add them to the simmering pot. They stir continuously with the wooden spatula to dissolve the roux and thicken the sauce.\n\n**315-360s:** While the curry simmers, the person moves back to the sink to clean the prep items. They wash the cutting board and knife again, scrubbing them with a sponge. They also wash the small white bowl that held the tomatoes.\n\n**360-405s:** The clean bowl is placed upside down in the metal dish drying rack. The person returns to the stove and adds another glass of water to the curry to adjust the consistency. They stir the mixture thoroughly.\n\n**405-480s:** In the final segment, the person picks up the bottle of cooking oil and adds a splash to the pan, likely to enrich the flavor. They continue to stir the curry gently as it simmers, ensuring it does not stick to the bottom. The video concludes with the curry cooking on the stove.", "questions": [{"question": "At the very end of the video, after I added a splash of oil to the curry, what was the condition of the flower-shaped bowl that had held the sliced tomatoes earlier?", "options": ["A. It was still on the counter with tomato residue", "B. It had been washed and placed right side up in the drying rack", "C. It had been washed and placed upside down in the drying rack", "D. It had been dried with a green cloth and returned to a cabinet"], "answer": "C", "evidence": "135-180s: transfer the tomato pieces into a small, flower-shaped white bowl. 360-405s: The clean bowl is placed upside down in the metal dish drying rack. 405-480s: adds a splash of oil to the curry.", "timestamps": "135-180s and 405-480s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "1cac2aa7-4f65-4a50-88b9-e1f6e5c927f8", "description": "0-45s: The video begins with a first-person view of a kitchen. A person's hand is briefly visible in the foreground, suggesting they are adjusting the camera. The scene shows a dining table with a leaf-patterned tablecloth, upon which sits a red folder and a bag of crackers. The person then moves to the sink area, where a red toaster oven is mounted above. They reach up and adjust a blue string hanging from the window frame before picking up a silver pot with a black handle and lid from the counter next to the sink.\n\n45-120s: The person holds the pot under the faucet and fills it with water. After filling it, they place the pot on the right-hand burner of the gas stove. They turn the knob for that burner, igniting the flame to begin heating the water. The pot's lid is placed on the stainless steel draining board beside the sink. The person then walks away from the stove towards a white cabinet with glass doors, located next to a refrigerator.\n\n120-210s: Standing at the counter by the sink, the person picks up a clear plastic package containing bundles of thin, white noodles (udon). They open the package, remove two bundles tied with red bands, and set them on the counter. They then retrieve a third bundle from the same package. After placing all three bundles down, they walk over to the white cabinet, open one of the glass doors, and take out three white plates with a blue floral pattern around the rim. They carry the plates back to the sink area and place them on the draining board. Next, they get a pair of dark-colored chopsticks from a utensil holder near the sink.\n\n210-300s: The person uses their smartphone, which has a cartoon cat wallpaper. They scroll through an app with a pink interface, possibly a recipe or shopping list. Following this, they open the refrigerator door. Inside, various food items are visible, including a box of \"LOTTE\" chocolate and containers of tofu. They pull out a drawer and select a vacuum-sealed package of what appears to be sliced meat, labeled in Japanese as \"\u751f\u30cf\u30e0\u30ed\u30fc\u30b9\" (nama hamu roosu - raw pork loin ham). They also take out a small, round container wrapped in plastic. Back at the sink, they unwrap the container, revealing a rolled food item, possibly a tamagoyaki (Japanese omelet), and slice it into several pieces using a knife.\n\n300-360s: The person places the sliced omelet onto the draining board. They then move to the sink, where a metal colander filled with chopped lettuce is waiting. They begin transferring the lettuce by hand from the colander onto the three plates they had previously set out.\n\n360-480s: After distributing the lettuce evenly among the three plates, the person takes the sliced omelet pieces and arranges them on top of the lettuce on each plate. With the side dishes prepared, they return their attention to the stove. They pick up the bundles of udon noodles again, preparing to cook them in the now-boiling water. They check their phone once more before setting it down and focusing on the task at hand, concluding the preparation phase shown in the video.", "questions": [{"question": "After I had taken the three plates from the cabinet, which of these actions did I perform first, and which did I perform last?", "options": ["A. I used my smartphone first, and I arranged the omelet on the lettuce last", "B. I opened the refrigerator first, and I sliced the omelet last", "C. I sliced the omelet first, and I transferred the lettuce last", "D. I transferred the lettuce first, and I used my smartphone last"], "answer": "C", "evidence": "After taking the plates, the person used their smartphone, then later after all other actions, they arranged the omelet on the lettuce.", "timestamps": "first: 210-300s, last: 360-480s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "219a6da4-d689-4ea8-bdf5-eedff628c5bb", "description": "0-45s: The video begins with a first-person perspective tour of an interior space. The camera pans across a living area featuring a dark sofa, side tables with lamps, and exposed ceiling infrastructure with ductwork and lighting fixtures. The view moves to show a white desk against a wall, then focuses on a corner containing a potted plant and a black electronic keyboard. A sign on a glass door reads \"Light Bar\". The camera continues to pan, showing more of the open-plan room with large windows, another seating area with light-colored sofas and red pillows, and a glimpse of a person in the background.\n\n45-90s: The camera operator walks through the space, passing by the windowed areas which look out onto trees. The view enters a bedroom area, revealing a made bed with white linens, a nightstand with a lamp, and three framed pictures on the wall above the headboard. The camera briefly shows a reflection in a glass partition before moving back into the main living area. It passes a black folding screen and a clothing rack with garments hanging on it.\n\n90-135s: The camera continues its movement through the apartment, offering various perspectives of the living room, including views of the ceiling's industrial design. A woman with long hair wearing sunglasses appears in the frame, walking ahead of the camera. She approaches the light-colored sofa near the large windows. The camera follows her movements and also captures wide shots of the room's layout, highlighting the connection between different zones like the living area and what appears to be a kitchenette or pantry space.\n\n135-180s: The focus shifts as the camera operator interacts with objects. They pick up a rolled-up poster with visible text that includes \"We Can\" and place it on the white desk next to a globe and a lit lamp. The camera provides close-ups of the desk items. Afterward, the camera turns back towards the woman, who is now standing nearby. The scene transitions again as the camera moves towards the kitchenette area located by the windows.\n\n180-225s: At the kitchenette, the camera focuses on a black drip coffee maker sitting on a white counter next to the window. Various items are on the counter, including cleaning spray bottles, paper towels, and a bag of sugar packets labeled \"Friendly Skins\". The camera operator opens the lid of the coffee maker, places a filter inside, adds coffee grounds from a small box, and then pours water from a glass carafe into the machine. The action is deliberate, preparing the coffee maker for use.\n\n225-270s: Following the preparation of the coffee maker, the camera pans down to a small, white under-counter refrigerator. The door is opened, revealing shelves stocked with canned beverages (Pepsi) and other food items. The interior light of the fridge illuminates the contents. After a brief inspection, the fridge door is closed. The camera then returns to the coffee station, where the woman reaches for a stack of paper plates from a lower shelf of the white cart. The final frames show the prepared coffee maker ready to brew, with the surrounding countertop items in view.", "questions": [{"question": "Which did I see first during the opening tour of the apartment, and which did I see first after I had left the bedroom and moved back through the living area?", "options": ["A. the dark sofa with side-table lamps, then the black folding screen", "B. the white desk against the wall, then the clothing rack with hanging garments", "C. the potted plant with a black keyboard, then the woman in sunglasses", "D. the Light Bar sign on the glass door, then the red pillows in the seating area"], "answer": "A", "evidence": "Opening pan features a dark sofa with lamps; after leaving the bedroom I passed a black folding screen before the clothing rack.", "timestamps": "0-45s and 45-90s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "2862cd7a-e6cb-4aad-a6ed-0cb245cc9604", "description": "0-24s: The video opens with a first-person view of someone sitting on a bed, holding a white garment with blue floral embroidery. On the bed are sewing supplies: a pair of black-handled scissors, a small container holding needles and thread, and two yellow packets. A second person in a green top and pink pants walks into the frame from the right, moves towards the background, and then exits to the left.\n\n24-36s: The second person re-enters the frame and leans over the first person, pointing at the white garment as if offering advice or assistance. After a brief interaction, they move away. The first person continues to inspect the garment, turning it over in their hands.\n\n36-72s: The person lifts the white garment up for a better view before laying it back down across their lap. They begin manipulating the fabric near the hem, preparing it for sewing. They pick up a needle and thread from the container on the bed.\n\n72-144s: The person starts hand-sewing the hem of the white garment. They make several stitches, pulling the orange-colored thread through the fabric. Another piece of clothing, a green polka-dotted item, is placed on the bed near the sewing supplies.\n\n144-288s: The sewing continues steadily. The person holds the garment firmly with their left hand while their right hand guides the needle and thread, making consistent running stitches along the edge of the hem. The camera remains focused on this repetitive action.\n\n288-432s: Still engaged in the same task, the person continues to sew the hem of the white cloth. Their movements are practiced and efficient. The surrounding objects\u2014the scissors, thread container, and other clothes\u2014remain undisturbed on the bed.\n\n432-480s: In the final segment of the video, the person carries on with hand-sewing the garment. They pull the thread taut after each stitch, working methodically along the hemline until the video concludes.", "questions": [{"question": "After I began hand-sewing the hem of the white garment, which item did I place on the bed near my sewing supplies, and what color was the thread I was using?", "options": ["A. a green polka-dotted item and orange-colored thread", "B. a yellow packet and black thread", "C. a pair of scissors and white thread", "D. a needle container and blue thread"], "answer": "A", "evidence": "Another piece of clothing, a green polka-dotted item, is placed on the bed near the sewing supplies. The person starts hand-sewing the hem of the white garment, pulling the orange-colored thread through the fabric.", "timestamps": "72-144s and 36-72s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "29f5f7fe-1f51-4e78-8d7f-59745f96335c", "description": "**0-60s:** The video begins with a first-person perspective at a black tool chest. The person opens a drawer containing organized sockets and wrenches, selecting a pair of red-handled pliers and a socket extension before closing the drawer. They walk over to a red Snapper push mower positioned next to a hydraulic lift. The person unscrews the oil cap/dipstick to check the fluid level, then pulls the recoil starter cord, causing a puff of smoke as the engine starts.\n\n**60-120s:** The person pushes the running red mower toward the open garage door. They pause to press a button on a wall-mounted control panel located next to a red fire extinguisher, likely operating a door or light. Returning to the workbench, they pick up a work order labeled \"428\" and a roll of green tape. They tear off a strip of green tape and tie it securely to the handle of the red mower as a service tag.\n\n**120-180s:** With the tag attached, the person pushes the red mower out of the garage onto the paved driveway. They immediately walk back inside and approach a red Craftsman riding mower. They lift the seat to inspect the battery compartment underneath, then lower the seat back into place.\n\n**180-240s:** The person walks to the corner of the workshop where an air hose is mounted. They uncoil the hose and use the nozzle to blow debris and grass clippings off the red hydraulic lift and the surrounding concrete floor. They systematically clean the area around the lift and near a yellow Cub Cadet riding mower parked nearby.\n\n**240-300s:** After cleaning, the person returns to the tool chest and retrieves a digital multimeter from a drawer. They walk over to the yellow Cub Cadet riding mower and lift the seat to access the battery. They connect a red battery charger to the battery terminals and then use the multimeter probes to test the voltage across the terminals.\n\n**300-360s:** After testing, the person disconnects the charger and multimeter, placing the multimeter back into the tool chest drawer. They return to the yellow mower and flip the yellow engine hood forward to expose the engine. A label on the engine cover reads \"KOHLER COURAGE 22\". They run their hand over the engine cover, likely checking for heat or vibration.\n\n**360-480s:** The person closes the yellow engine hood securely. They sit on the driver's seat of the yellow Cub Cadet, gripping the steering wheel which features the Cub Cadet logo. They engage the gear and begin driving the mower forward, maneuvering it out of the garage and onto the driveway as the video concludes.", "questions": [{"question": "After I tied the green service tag to the mower I had just started, what did I do before I walked back to the red Craftsman rider?", "options": ["A. I pushed the red mower out of the garage and onto the paved driveway.", "B. I uncoiled the air hose and blew the grass clippings off the lift.", "C. I lifted the yellow mower's seat and connected the red battery charger.", "D. I pressed the wall-mounted button next to the red fire extinguisher."], "answer": "A", "evidence": "They tear off a strip of green tape and tie it to the handle of the red mower as a service tag. With the tag attached, they push the red mower out of the garage onto the paved driveway, then immediately walk back inside and inspect the red Craftsman riding mower.", "timestamps": "60-120s and 120-180s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "2bb89654-9ce0-4dab-a2cc-a5ed267766cf", "description": "0-135s: The video begins with a person standing at a kitchen counter, preparing food on a white cutting board. They are slicing a piece of pale, flat fish (likely squid or cuttlefish) into thin strips using a black-handled knife. To the left is a small bowl containing green herbs and other packaged ingredients. After finishing the slicing, they use a paper towel to pat the sliced fish dry before placing it onto a blue rectangular plate that already holds some shredded white vegetable and a shiso leaf.\n\n135-240s: The person then cleans the cutting board by wiping it down with a fresh paper towel. Next, they take out a package of raw pink tuna, place a slice on the cleaned board, and begin to carefully slice it into smaller pieces for sashimi. Once sliced, the tuna is added to the same blue plate alongside the previously prepared squid and garnishes. The person then moves to a nearby table to wrap the finished sashimi platter in plastic film from a yellow box labeled \"Cling Wrap 50m\".\n\n240-360s: Returning to the sink area, the person thoroughly washes the knife and cutting board under running water using an orange sponge. After cleaning up, they retrieve several whole green bell peppers from a bag, wash them in the sink, and proceed to chop them into rings on the cutting board. They meticulously remove the seeds and inner membranes from each pepper ring over the sink before arranging the hollowed-out rings neatly on a separate white plate.\n\n360-480s: Moving back to the dining table, the person sprinkles a generous amount of white powder from a bag labeled \"\u7247\u6817\u7c89\" (potato starch) over the green pepper rings. They then open a black bowl filled with seasoned ground meat. Taking portions of the meat, they shape them into patties and stuff them inside each potato-starch-dusted pepper ring, creating stuffed peppers. This process is repeated until all the pepper rings are filled, completing the preparation phase shown in the video.", "questions": [{"question": "Looking back at the beginning of the video, which of these actions did I perform first?", "options": ["A. Stuffed the potato-starch-dusted green pepper rings with seasoned ground meat", "B. Wrapped the finished sashimi platter in plastic film from a yellow box", "C. Patted the sliced pale fish dry with a paper towel before placing it", "D. Removed the seeds and inner membranes from the green pepper rings"], "answer": "C", "evidence": "They use a paper towel to pat the sliced fish dry before placing it onto the blue plate.", "timestamps": "0-135s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "2bfa28a6-ab7d-419f-acb2-52090c9a32ab", "description": "0-12s: The video opens with a first-person view of someone stirring ground meat in a black frying pan on an induction cooktop. To the left, on the counter, is a white cutting board with chopped red and yellow bell peppers and a half tomato. A wooden spatula is used for stirring. At 3s, the person picks up a red squeeze bottle (likely ketchup or a sauce) and adds it to the meat. At 5s, they add a dark liquid from another bottle, possibly soy sauce, before continuing to stir.\n\n12-48s: The person stops stirring and turns away from the stove. They walk over to a silver refrigerator, which has several magnets and a digital timer showing \"05:00\" on its door. After briefly interacting with the fridge, they return to the main counter area. They pick up a paper instruction sheet and examine it. Next, they handle two small cartons, appearing to read their labels before setting them down. They then open a drawer below the counter, retrieve a knife, and use it to pry open one of the cartons.\n\n48-96s: The focus shifts back to food preparation. The person takes out a head of lettuce from a plastic bag, moves to the sink, washes the leaves under running water, and then tears them into smaller pieces by hand, placing them into a white bowl that already contains some rice. They then take the previously chopped tomatoes and peppers from the cutting board and add them to the salad bowl. Finally, they lift the frying pan and scrape the cooked meat mixture from the pan directly onto the salad in the bowl.\n\n96-144s: With the main dish assembled, the person begins cleaning up. They gather the leftover vegetable scraps from the cutting board and put them into a small container. They wipe the countertop clean with a cloth. The dirty cutting board is taken to the sink and rinsed. They then grab a roll of plastic wrap, tear off a sheet, and cover the small container of leftovers. This container is placed inside the refrigerator's crisper drawer.\n\n144-192s: Attention turns to a second cooking task. The person opens a drawer and takes out a can. Using a spoon, they scoop a thick, green paste (possibly wasabi or a similar condiment) from the can into a small pot of boiling water on the right burner of the cooktop. They stir the contents of the pot with a black ladle. They also check on the frying pan, now covered with a glass lid, and give the pot another stir.\n\n192-240s: For the final component of the meal, the person retrieves an egg from the refrigerator. They crack the egg into a small red bowl and whisk it thoroughly with chopsticks. They then pour the beaten egg into the same pot of boiling water, creating what appears to be an egg drop soup. After adding the egg, they place a lid on the pot. The video concludes as the person moves towards the sink to begin washing the dishes used during the cooking process.", "questions": [{"question": "Before the frying pan was covered with a glass lid, what had I done with its contents?", "options": ["A. scraped the cooked meat mixture from the pan onto the salad in the white bowl", "B. stirred the ground meat in the pan with a wooden spatula", "C. added a red squeeze bottle of sauce to the meat in the pan", "D. poured a dark liquid from a bottle onto the meat in the pan"], "answer": "A", "evidence": "scrapes the cooked meat mixture from the pan directly onto the salad in the bowl; frying pan, now covered with a glass lid", "timestamps": "96s and 144-192s"}, {"question": "After I had scraped the cooked meat mixture out of the frying pan and onto the salad, what did I do with that frying pan before the video ended?", "options": ["A. rinsed it out in the sink right after rinsing the cutting board", "B. left it sitting on the cooktop with a glass lid placed over it", "C. put it away in the drawer below the counter next to the knife", "D. filled it with water and set it on the right burner to boil"], "answer": "B", "evidence": "They lift the frying pan and scrape the cooked meat mixture from the pan directly onto the salad. Later, they also check on the frying pan, now covered with a glass lid.", "timestamps": "48-96s and 144-192s"}, {"question": "After I had stirred the ground meat, which item did I retrieve from the refrigerator near the end of the video, and what did I do with it before adding it to the pot?", "options": ["A. a head of lettuce; I washed it under running water and tore it into pieces", "B. a small carton; I used a knife from the drawer to pry open its lid", "C. an egg; I cracked it into a small red bowl and whisked it with chopsticks", "D. a can of green paste; I used a spoon from the counter to scoop it into the pot"], "answer": "C", "evidence": "The person stirs ground meat in a black frying pan. For the final component, the person retrieves an egg from the refrigerator, cracks it into a small red bowl, whisks it thoroughly with chopsticks, then pours the beaten egg into the pot of boiling water.", "timestamps": "0-12s and 192-240s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "315b77f8-474b-4fea-a55c-a93d1439f353", "description": "0-45s: The video begins with a first-person view of someone washing their hands in a stainless steel kitchen sink. They use soap from a pump bottle and rinse thoroughly under running water from the faucet. After drying their hands on a yellow towel, they move to the counter where various ingredients are laid out, including green beans in a colander and several bottles of sauces and oils.\n\n45-90s: The person picks up a package of what appears to be tofu or a similar product and uses scissors to cut it open over a metal bowl. They then proceed to crack an egg into the same bowl containing the contents of the package. Next, they retrieve a pair of chopsticks from a dish rack next to the sink.\n\n90-135s: Using the chopsticks, the person beats the egg mixture in the metal bowl until well combined. They then turn on the gas stove burner beneath a frying pan that is already positioned there. Once the pan heats up, they pour oil into it from one of the bottles on the counter.\n\n135-180s: With the oil heated, the person pours the beaten egg mixture into the frying pan. Using the chopsticks, they begin stirring the eggs as they cook, ensuring even cooking throughout. As the eggs solidify, they continue to stir gently, breaking them into smaller pieces.\n\n180-225s: Once the scrambled eggs are fully cooked, the person removes the frying pan from the heat source and transfers the eggs onto a plate using the chopsticks. They then place the empty frying pan back onto the stovetop and add more oil, preparing for the next step in the cooking process.\n\n180-270s: The individual proceeds to wash another set of dishes in the sink, specifically focusing on cleaning the previously used frying pan. They scrub it vigorously with a sponge and rinse it under running water before placing it aside to dry. Meanwhile, they also clean other utensils and containers used during the preparation phase.\n\n270-360s: Returning to food preparation, the person starts chopping vegetables on a white cutting board placed near the sink. First, they slice garlic cloves finely, followed by slicing green onions lengthwise. Each ingredient is carefully prepared and set aside in separate bowls or directly onto the cutting board depending on immediate usage needs.\n\n360-480s: Finally, the person handles raw shrimp packaged in plastic wrap. They remove the shrimp from its packaging and rinse them under cold water at the sink. Following this, they season the shrimp lightly with salt and pepper while continuing to prepare additional components needed for the meal being assembled. Throughout these steps, all actions remain methodical and focused on efficient workflow within the compact kitchen space.", "questions": [{"question": "After I cut open the tofu package with scissors on the counter, but before I washed the frying pan in the sink, which of these food preparation steps did I complete?", "options": ["A. cracking a fresh egg into the metal bowl on the counter", "B. chopping garlic cloves finely on the white cutting board", "C. rinsing raw shrimp under cold running water at the sink", "D. slicing green onions lengthwise on the white cutting board"], "answer": "A", "evidence": "The person cuts open the tofu package, then cracks an egg into the same bowl; later they wash the frying pan in the sink.", "timestamps": "45-90s and 180-270s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "2d72741a-e450-4777-907e-fe11249ee91e", "description": "0-90s: The video opens on a living room scene. A dark oval coffee table is covered with a red runner. On the table, there is a vase with white flowers and greenery, a smartphone propped up against a book displaying a video call with a woman, a pair of scissors, a red spray bottle, a small white container, and a clear orange mesh bag filled with sewing supplies. To the left of the book are three spools of thread (yellow, red, green) and a yellow packet. The book title is visible as \"\u0415\u0420\u0418\u0425 \u041c\u0410\u0420\u0418\u042f \u0420\u0415\u041c\u0410\u0420\u041a\" (Erich Maria Remarque). In the background, a drying rack with clothes, a TV stand, and a white appliance are visible. Two black flip-flops lie on the tiled floor. The camera holder is seated on a sofa, holding a small, gold sequined clutch bag with a chain strap in their lap. For the first minute and a half, the person holds the bag, occasionally shifting it slightly, while the video call continues on the phone.\n\n90-105s: The person extends their right hand towards the table. They reach for the smartphone, which is leaning against the book, and appear to adjust its position or angle slightly, perhaps to get a better view of the screen or stabilize it. After a brief interaction, they withdraw their hand and return their focus to the bag in their lap.\n\n105-220s: The person begins actively working on the bag. Using both hands, they manipulate the metal ring (jump ring) that connects the silver chain strap to the body of the gold clutch. They twist and pull at the ring, attempting to either open it to reattach the chain or secure it firmly. The focus remains tightly on this repair task. The video call on the phone continues in the background, showing the other person's face.\n\n220-230s: The person pauses their work on the bag and reaches their right hand across the table towards the scissors lying next to the mesh bag. They touch or slightly move the scissors, possibly considering using them to cut a thread or wire, but ultimately do not pick them up. They immediately return their attention to the bag.\n\n230-480s: For the remainder of the video, the person continues the meticulous repair of the bag's chain attachment. They repeatedly grasp the metal ring and the end of the chain, twisting and pushing the components together. The action suggests they are trying to close a jump ring or ensure the clasp is secure. The camera angle remains fixed on the lap and the table, capturing the repetitive hand movements involved in the sewing/repair task. The background elements, including the drying rack and the items on the table, remain unchanged throughout this extended period of focused manual work.", "questions": [{"question": "Which item on the coffee table did I reach for first?", "options": ["A. the scissors lying next to the clear mesh bag", "B. the red spray bottle sitting beside the white container", "C. the vase holding white flowers and green leaves", "D. the smartphone propped against the book during the call"], "answer": "D", "evidence": "90-105s: reaches for the smartphone; 220-230s: reaches for the scissors.", "timestamps": "90-105s and 220-230s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "2d0bc9c8-5ec6-427d-b5ef-9e1b2836ce0f", "description": "0-45s: The person stands at a red shelving unit filled with tools and supplies, holding a small metal part. They move to a green tool chest and open several drawers. The first drawer contains a blue \"GearWrench 19\" socket set. The second drawer holds pliers, hammers (one with an orange handle), and clamps. The third drawer contains gloves and papers. The fourth drawer has more tools. The top of the green chest displays stickers including \"NRC Nolan Race Cars UNOH\".\n\n45-90s: The person returns to the red workbench area, handling small parts near a blue container. They then walk across the shop floor, passing lawnmowers, and approach a drill press area. They pick up a blue air blow gun and begin cleaning a small metal part held in their left hand.\n\n90-135s: Continuing to clean the small part with the air gun, they inspect it closely. Afterward, they walk towards a black Snap-on tool chest. They open a drawer containing wrenches and search through it.\n\n135-180s: The person walks around the shop, passing a pressure washer or generator on the floor. They sit down on a rolling stool and retrieve a yellow feeler gauge case.\n\n180-225s: Sitting on the stool, the person uses the feeler gauge to measure or adjust a thin wire or rod. They manipulate the wire carefully against the gauge blades.\n\n225-270s: The person picks up a carburetor from the floor and examines it. They return to the black tool chest to retrieve a screwdriver from a drawer. Using the screwdriver, they work on the carburetor, eventually removing the bottom bowl.\n\n270-315s: Holding the removed carburetor bowl, the person walks back towards the drill press area. They use the blue air blow gun to clean the inside of the carburetor bowl thoroughly.\n\n315-480s: The person sits back on the stool with the cleaned carburetor bowl. For the remainder of the video, they continue to inspect and handle the carburetor bowl, likely checking for cleanliness or preparing it for reassembly. The camera angle remains focused on their hands and the component as they work meticulously.", "questions": [{"question": "Why did I return to the drill press area after cleaning the small part?", "options": ["A. to search for a wrench in the tool chest", "B. to measure the wire with the feeler gauge", "C. to put away the air blow gun after use", "D. to clean the carburetor bowl that I had removed"], "answer": "D", "evidence": "Holding the removed carburetor bowl, the person walks back towards the drill press area. They use the blue air blow gun to clean the inside of the carburetor bowl thoroughly.", "timestamps": "45-90s and 270-315s"}, {"question": "After I measured the wire, which of these did I do first?", "options": ["A. removed the bottom bowl from the carburetor", "B. picked up the carburetor from the floor", "C. cleaned the carburetor bowl with the air gun", "D. sat on the stool with the cleaned bowl"], "answer": "B", "evidence": "Sitting on the stool, the person uses the feeler gauge to measure or adjust a thin wire... The person picks up a carburetor from the floor and examines it.", "timestamps": "180-225s and 225-270s"}, {"question": "After I measured the wire with the feeler gauge, which of these did I do next?", "options": ["A. got a screwdriver from the black chest", "B. removed the bottom bowl from the carburetor", "C. picked up the carburetor from the floor", "D. cleaned the carburetor bowl with the air gun"], "answer": "C", "evidence": "Following the measurement with the feeler gauge, the person picks up a carburetor from the floor and then examines it.", "timestamps": "180-225s and 225-270s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "3133e3a4-4da5-4a01-b332-547d55a72dd4", "description": "**0-48s:** The video opens with a first-person perspective of someone wearing yellow rubber gloves standing at a kitchen sink. They are vigorously scrubbing the stainless steel sink drainer (the ribbed area to the right of the basin) with a sponge. To the left of the sink, a pile of dirty dishes waits, including a white bowl with a knife, a green plate, and a white mug with \"SPORT\" printed on it in red and blue letters. Behind the sink, cleaning supplies are visible: a green bottle of \"Fairy LESS PLASTIC\" dish soap, a clear bottle, and a blue bottle of \"Carex\" hand wash.\n\n**48-96s:** The person finishes scrubbing the drainer and picks up a rectangular wire dish rack that was sitting inside the sink basin. They hold the rack over the sink and begin scrubbing it thoroughly with a sponge, cleaning the individual wires. They rinse the rack under the running tap water to remove any loosened dirt. Once clean, they place the wire rack onto the stainless steel drainer on the right side, positioning it to catch drips from future dishes.\n\n**96-144s:** With the drying rack in place, the person reaches into the sink and picks up a large, deep silver metal bowl. They hold it under the running water and scrub the inside and outside with a green-handled brush/sponge combo. After rinsing it clean, they place the large bowl onto the wire rack to dry.\n\n**144-192s:** Next, they pick up a smaller silver saucepan from the sink. They scrub the inside and outside of the pan with the brush, rinsing it under the tap. They place this pan on the rack as well. Then, they grab a wooden spoon and scrub it clean before setting it aside. They also wash a metal strainer/colander, scrubbing it under the water.\n\n**192-240s:** The person moves on to the pile of dirty dishes on the left. They pick up a white ceramic bowl. They scrub the inside and outside with the brush, rinse it thoroughly, and place it on the drying rack.\n\n**240-288s:** They pick up a black cooking pot. They scrub the interior and exterior of the black pot with the green brush, ensuring all residue is removed. After rinsing it under the tap, they place the black pot on the drying rack next to the other items.\n\n**288-336s:** The person washes a plain white bowl. They scrub it with the brush, rinse it, and place it on the rack. Then, they pick up a light blue plate with some food residue on it. They scrub the plate vigorously with the brush under running water until it is clean. Following this, they wash the white mug with \"SPORT\" text, scrubbing it inside and out.\n\n**336-384s:** After placing the mug on the rack, the person turns their attention to the sink itself. They remove the metal sink strainer basket, which contains food waste. They take the strainer to a bin (visible briefly as they move away from the sink) and empty the contents. Returning to the sink, they rinse the strainer basket under the tap to clean it.\n\n**384-480s:** They place the clean strainer back into the sink drain. They give the sink basin a final rinse with their gloved hands and the sponge, ensuring the entire area is clean. Finally, they turn off the tap, completing the dishwashing task.", "questions": [{"question": "By the time I lifted out the sink strainer basket to empty it near the end, which item had been sitting on the wire drying rack the longest?", "options": ["A. the large deep silver metal bowl that I scrubbed and set out to dry", "B. the white ceramic bowl I took from the pile of dirty dishes", "C. the black cooking pot whose inside I scrubbed with the brush", "D. the white mug printed with red and blue SPORT letters on it"], "answer": "A", "evidence": "The large deep silver metal bowl was scrubbed and placed on the wire rack at 96-144s, before the saucepan, ceramic bowl, black pot, plate, and mug. At 336-384s I removed and emptied the sink strainer basket.", "timestamps": "96-144s and 336-384s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "3672773c-6ff8-47c2-9ef9-bb00c65814ef", "description": "0-12s: A person wearing blue disposable gloves uses a white plastic scoop to transfer flour from an open paper bag into a large, white plastic bucket. In the background, stacks of large flour sacks are visible; one orange and white sack has text that reads \"SEMOLA RIMACINATA\". The action is repeated several times as the bucket begins to fill.\n\n12-36s: The person continues to scoop flour from different bags into the bucket. After filling it partially, they carry the heavy bucket away from the storage area, walking through the bakery past metal rolling racks holding baking trays. They arrive at a stainless steel workstation where a digital scale is located.\n\n36-58s: The person places the bucket of flour onto the digital scale and presses a button to tare it. They then pick up a smaller, yellow-and-white branded packet and pour its contents (likely yeast or another leavening agent) into the bucket with the flour. Next, they take a small white container, add a white crystalline substance (likely salt), and place a lid on it before setting it aside.\n\n58-90s: The camera pans around the kitchen, showing a large industrial spiral mixer. The person opens the safety guard of the mixer, which contains remnants of a previous dough batch. Using a red plastic scraper, they scrape the old dough off the sides of the stainless steel bowl and remove it. They then clean the inside of the bowl with their gloved hand and the scraper, preparing it for the new batch.\n\n90-120s: After cleaning the mixer, the person moves to a sink area. They turn on the tap and begin filling two separate white plastic pitchers with water. One pitcher already contains some liquid. This is done in preparation for adding liquids to the dough mixture.\n\n120-144s: The person returns to the weighing station. They place a yellow scoop on the scale, tare it, and then use a purple cup to measure out a white powder (likely sugar or more flour) into the scoop. They then move to the sink again to adjust the water levels in the pitchers. Finally, they return to the main workbench, clear a space, and sprinkle flour onto the stainless steel surface using a wooden-handled brush.\n\n144-192s: The person retrieves a large, round mass of proofed dough from a cloth-lined tray on a rolling rack. They place the dough onto the floured section of the workbench. Using a metal bench scraper with a wooden handle, they cut the large dough mass into smaller, more manageable pieces. They begin to shape one of the pieces by folding and pressing it on the counter.", "questions": [{"question": "Before I shaped the dough pieces, what did I do with the wooden-handled brush after measuring the white powder?", "options": ["A. I sprinkled flour onto the stainless steel workbench surface.", "B. I brushed the purple cup clean over the sink.", "C. I swept the floor near the rolling rack.", "D. I brushed off the digital scale before the next weighing."], "answer": "A", "evidence": "They measure a white powder with a purple cup (120-144s), then use a wooden-handled brush to sprinkle flour onto the workbench (120-144s). Later they shape dough (144-192s).", "timestamps": "120-144s and 144-192s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "31e2ad5b-2566-4542-b18c-59febac66740", "description": "0-45s: The video begins with a person in a living room, disassembling a green and silver handheld vacuum cleaner over a grey patterned rug. They then pick up a grey and white polka-dotted blanket from a yellow armchair and shake it out before placing it on a wooden table next to some decorative balls.\n\n45-120s: The person tidies the living room by picking up various blankets and pillows from a grey sofa and an ottoman. They fold a black and white patterned blanket and place it on the ottoman. Next, they gather a pile of clothes from the sofa, including a yellow knitted item, and carry them out of the frame. They then pick up a large stainless steel bowl from the yellow armchair's ottoman.\n\n120-180s: Carrying the metal bowl, the person walks into a kitchen area. They use a white cloth or paper towel to wipe the inside of the bowl, which contains some dark residue. After wiping it clean, they dispose of the used cloth in a black bin located under the counter. The person then carries the now-clean bowl back into the living room and places it near a multi-level pet cage.\n\n180-270s: Back in the kitchen, the person begins putting away clean dishes. They take a black baking tray from a dish rack and store it in an overhead cabinet above the oven, where the digital clock reads \"19:54\". They proceed to put away a metal colander, a red saucepan, and other pots into a deep drawer. Finally, they stack several white plates from the dish rack and place them into a lower cupboard.\n\n270-360s: The person continues organizing the kitchen. They put away glassware and mugs into a wooden cabinet with glass doors. They then move to the sink area, where a white dish rack sits beside a window with blinds. They begin sorting through cutlery in the rack, gathering forks and knives.\n\n360-480s: The person opens a cutlery drawer and carefully arranges the forks and knives inside. They then clear the now-empty dish rack from the sink area. Next, they collect empty cans from the cluttered countertop and throw them into a pull-out recycling bin. They rinse a small yellow container and a white plastic tub in the sink, which is filled with soapy water. To prepare for more washing, they add green Fairy brand dish soap to the basin, creating suds, and begin washing their hands in the soapy water as the video concludes.", "questions": [{"question": "After I shook out the polka-dotted blanket from the yellow armchair, what did I later do with the black-and-white blanket?", "options": ["A. Folded the black-and-white blanket and placed it on the ottoman.", "B. Shook out the black-and-white blanket and laid it on the wooden table.", "C. Carried the black-and-white blanket with the pile of clothes out of the room.", "D. Left the black-and-white blanket draped over the grey sofa without folding."], "answer": "A", "evidence": "The video shows the polka-dotted blanket being shaken and placed on the table early on, then later the black-and-white blanket is folded and set on the ottoman.", "timestamps": "0-45s and 45-120s"}, {"question": "After I placed the now-clean metal bowl near the multi-level pet cage, where in the living room had I originally picked it up?", "options": ["A. on the yellow armchair's ottoman", "B. on the grey sofa amid a pile of clothes", "C. on the wooden table beside some decorative balls", "D. by the kitchen sink on the countertop"], "answer": "A", "evidence": "They then pick up a large stainless steel bowl from the yellow armchair's ottoman. ... places it near a multi-level pet cage.", "timestamps": "45-120s and 120-180s"}, {"question": "After I had placed the grey and white polka-dotted blanket on the wooden table, which item did I later fold and set on the ottoman?", "options": ["A. the yellow knitted garment from the pile of clothes", "B. the black and white patterned blanket", "C. the large stainless steel bowl", "D. the white cloth used to wipe the bowl"], "answer": "B", "evidence": "They fold a black and white patterned blanket and place it on the ottoman.", "timestamps": "0-45s and 45-120s"}, {"question": "Before I cleared the empty dish rack from the sink area, which item had I already placed in the lower cupboard, and which item had I already placed near the multi-level pet cage?", "options": ["A. the black baking tray, and the white plastic tub", "B. the metal colander, and the small yellow container", "C. the white plates, and the metal bowl", "D. the red saucepan, and the polka-dotted blanket"], "answer": "C", "evidence": "stack several white plates from the dish rack and place them into a lower cupboard. ... places it near a multi-level pet cage.", "timestamps": "180-270s and 120-180s; anchor at 360-480s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "364d6bb5-4e97-49b4-980a-c85632665646", "description": "0-45s: The video begins with a blurry, shaky view that stabilizes to reveal a modern living room setting. A person is holding a smartphone horizontally in the foreground, watching a video that features a person wearing a red plaid shirt. On the white coffee table below, two teal mugs, a bag of snacks, and scattered playing cards are visible. In the background, on a raised wooden platform, a person is seated at a desk under a lamp, next to a black sofa.\n\n45-120s: The camera pans to the right, showing a black door and a white wall-mounted first aid kit with the text \"CINTAS\" clearly visible. The camera then pans back to the left, returning focus to the phone and the coffee table. The person at the desk in the background remains seated, working. The video on the phone continues to play, showing various scenes.\n\n120-180s: The camera angle shifts slightly as the person holding the phone taps the screen. The display momentarily changes to a blue interface, possibly a menu or chat, before returning to the video. The camera pans up, revealing the industrial-style ceiling with exposed pipes and fluorescent lights. The person continues to watch the video on the phone.\n\n180-258s: The person holding the phone stands up and begins walking. The camera follows, moving past the sofa and into a hallway. A large, colorful mural with pink and green abstract shapes is visible on the left wall. A man wearing a white t-shirt with \"THE MARATHON CLOTHING\" printed on the back walks ahead. They enter a room filled with stacked cardboard boxes. A woman with long blonde hair is seen briefly. The man in the white shirt reaches towards the wall. The video ends with a blurry shot of the floor and a man in a black shirt moving quickly in the frame.", "questions": [{"question": "Before I stood up from the couch and walked into the hallway, which of these had I already seen in the living room?", "options": ["A. the large colorful mural on the left wall with pink and green shapes", "B. the white wall-mounted first aid kit labeled CINTAS on the wall", "C. the man wearing a white t-shirt with THE MARATHON CLOTHING on his back", "D. the woman with long blonde hair seen briefly in the stacked box room"], "answer": "B", "evidence": "At 45-120s, the camera pans to the right showing a black door and a white first aid kit with 'CINTAS'. The mural, man, and woman appear after 180s when I stand and walk.", "timestamps": "45-120s and 180-258s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "354f27d5-baaf-4c66-bf5b-ade12eba0ddc", "description": "0-186s: The video begins with a first-person perspective of an individual holding a black smartphone in their left hand, interacting with its screen. On the white coffee table before them, a game of dominoes is set up on a black plastic stand, with several white domino tiles arranged in lines. A printed instruction sheet with the title \"DOMINOES\" and a pink sticky note is visible to the left of the game. To the right, another person's arm enters the frame, also holding a smartphone. This second phone displays a social media feed, which they scroll through. The camera angle shifts slightly, showing more of the room, including a grey sofa and another white table in the background holding two turquoise mugs and a beverage can. The second person then places their phone down on the table, propping it up against some dominoes so that a video begins to play in landscape orientation. They continue to watch the video, occasionally touching the screen. Another black smartphone rests on the table, displaying the time as \"3:35\".\n\n186-274s: The camera abruptly lifts from the table and pans around the room, indicating the person wearing the camera is standing up and moving. The view becomes blurry due to rapid motion. It sweeps past the grey sofa, across a dark floor, and towards a hallway. A woman with blonde hair, wearing a white top and black pants, is seen walking ahead down the corridor. The camera follows her as she approaches a door at the end of the hall. She reaches for the door handle, opens it, and steps into what appears to be a storage or office area with metal shelving units. The camera operator follows her into the room. The final frames are shaky and show a close-up of the floor, where various boxes and items are stored, before the video ends.", "questions": [{"question": "Earlier I was sitting at the coffee table. After I later stood up and crossed the room, which object did I encounter first after crossing the dark floor?", "options": ["A. the grey sofa that was standing near the room's back white table", "B. the blonde woman in a white top walking ahead down the corridor", "C. the tall metal shelving units standing inside the storage room doorway", "D. the silver door handle at the far end of the dark hallway"], "answer": "B", "evidence": "sweeps past the grey sofa, across a dark floor, and towards a hallway. A woman with blonde hair, wearing a white top and black pants, is seen walking ahead down the corridor.", "timestamps": "0-186s and 186-274s"}, {"question": "Earlier, the other person's phone had been scrolling a social feed. After I later stood up from the coffee table, I remembered that phone was propped against something when a video began. What did it rest against, and what did the other phone on the table display?", "options": ["A. some white domino tiles arranged in lines on the table; the time as 3:35", "B. a printed instruction sheet with a pink sticky note; a social media feed being scrolled", "C. a grey sofa in the background; a video playing in landscape orientation", "D. a black plastic stand for the tiles; the time as 3:35"], "answer": "A", "evidence": "propping it up against some dominoes so that a video begins to play... Another black smartphone rests on the table, displaying the time as '3:35'.", "timestamps": "0-186s and 186-274s"}, {"question": "When the second person's arm first entered the frame, what did I see, and after the woman opened the door, what room did I follow her into?", "options": ["A. a hand holding a black smartphone; a hallway with a dark floor", "B. a phone displaying the time as 3:35; a white table with turquoise mugs", "C. a phone showing a social media feed; a storage room with metal shelving", "D. a phone propped against some dominoes; a living room with a grey sofa"], "answer": "C", "evidence": "To the right, another person's arm enters the frame, also holding a smartphone. This second phone displays a social media feed. ... She reaches for the door handle, opens it, and steps into what appears to be a storage or office area with metal shelving units.", "timestamps": "0-186s and 186-274s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "398e571b-a0ef-4cbf-8247-2141c86682fd", "description": "**0-60s: Initial Cooking and Cleanup Start**\nThe video begins with a first-person view of a kitchen counter. A stainless steel pot sits on a black gas stovetop, containing a simmering red mixture (likely tomato-based). The person holds a green can (possibly canned tomatoes or vegetables) and pours its contents into the pot. They then use a light-colored wooden spoon to stir the ingredients thoroughly. After stirring, they place a glass lid with a metal rim onto the pot to let it simmer. The person then moves to the sink area, turns on the faucet, and rinses the empty green can under running water.\n\n**60-170s: Washing Dishes and Organizing**\nThe person proceeds to clean the used utensils. They wash the wooden spoon using a pink sponge and running water, then place it inside a grey, transparent dish drying rack mounted above the sink. Next, they wash a clear glass bowl and a yellow rectangular cutting board, scrubbing them with the sponge. The cutting board is placed vertically into the drying rack. A knife with a wooden handle is also washed and rinsed. Finally, the person uses a dark cloth to wipe down the stainless steel countertop next to the stove, clearing away any spills or debris. They close the doors of the dish drying rack.\n\n**170-200s: Preparing a Slurry**\nThe person walks over to a white shelving unit acting as a pantry. They open a clear plastic container labeled with handwritten text (likely \"Sugar\" or \"Salt\") and use a spoon to scoop white powder into a clear measuring cup. Returning to the sink, they add water to the cup and stir the mixture with the spoon, creating a white liquid slurry, presumably to thicken the soup later.\n\n**200-420s: Skimming the Soup**\nReturning to the stove, the person removes the glass lid from the pot; steam rises from the boiling red soup. Using a metal mesh strainer (skimmer), they begin the meticulous process of skimming foam and impurities from the surface of the soup. They repeatedly dip the strainer into the pot, lift out the frothy layer, and transfer the liquid into the clear glass bowl sitting on the counter. This action is repeated continuously for several minutes to clarify the broth.\n\n**420-480s: Final Seasoning**\nAfter skimming, the person begins adding final seasonings. They pick up a yellow packet (likely a bouillon or seasoning mix) and use a spoon to add powder from it into the pot. Next, they take a blue cylindrical container (likely salt) and add a spoonful to the soup. They return to the pantry shelf one last time to scoop more white powder from a container. Finally, they squeeze a generous amount of ketchup from a red plastic bottle directly into the pot. The video ends with the seasoned soup simmering on the stove.", "questions": [{"question": "After I placed the glass lid on the pot, what was the last action I completed before I removed the lid to skim the soup?", "options": ["A. rinsing the empty green can under the running faucet to clean it", "B. washing the wooden spoon and placing it in the drying rack above the sink", "C. wiping the stainless steel countertop with a dark cloth to clear spills", "D. mixing white powder with water in the clear measuring cup to make a slurry"], "answer": "D", "evidence": "The person makes the white slurry at the sink after wiping the countertop and before returning to the stove to remove the lid and begin skimming.", "timestamps": "0-60s and 170-200s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "372e58c1-4ee7-4ab2-96a2-888c0dbff04a", "description": "0-45s: The video opens with a first-person view of a cluttered workbench. A person wearing blue nitrile gloves is working on a black helmet base with a white strap attached. They are using a small brush to apply a clear adhesive or sealant to the inner rim of the helmet. On the table, there is a white skull mask, a blue \"CleverMade\" bin with white tubing, scissors, and various other crafting supplies.\n\n45-135s: The person picks up a piece of brown, leather-like material and carefully places it inside the helmet, pressing it against the freshly glued rim. They use their fingers to smooth the material down, ensuring it adheres properly to the interior surface. The brown material covers the inner lining of the helmet.\n\n135-225s: After securing the brown lining, the person uses a small knife or scraper to trim the excess material from the edge of the helmet. They work carefully around the circumference, removing the overhang to create a clean finish on the interior.\n\n225-360s: The person then picks up a piece of burlap fabric and uses scissors to cut a strip. They apply adhesive to the burlap and begin attaching it to the exterior of the helmet, covering the black surface. They smooth out the burlap, ensuring it lays flat and adheres securely. This process continues as they cover more of the helmet's exterior with the textured fabric.\n\n360-450s: With the burlap applied, the person adjusts the white strap on the helmet, ensuring it is secure. They continue to smooth out the burlap and check the fit. The helmet now has a rough, textured appearance due to the burlap covering.\n\n450-480s: The person picks up a large piece of yellow fabric and holds it up, possibly preparing to cut or attach it to the costume. The video ends with the person holding the yellow fabric, suggesting the next step in the crafting process.", "questions": [{"question": "What was the first thing I did to modify the helmet, and what tool did I later use to cut the burlap?", "options": ["A. Pressed the brown leather lining into the glued rim; a small knife", "B. Trimmed away the excess material from the edge; a small brush", "C. Adjusted the white strap for a comfortable fit; my fingers", "D. Spread clear adhesive on the helmet's inner rim; a pair of scissors"], "answer": "D", "evidence": "The video opens with a person using a small brush to apply a clear adhesive or sealant to the inner rim of the helmet. Later, the person picks up a piece of burlap fabric and uses scissors to cut a strip.", "timestamps": "0-45s and 225-360s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "38a0d090-c67f-4197-b2a6-65cb56c356c5", "description": "0-60s: The video begins with the person retrieving a metal colander from a drawer under the sink. They take a potato from a bag, wash it in the sink, and place it on a white cutting board. They begin peeling the potato with a knife.\n\n60-120s: The person continues peeling the potato. Once peeled, they chop it into chunks and place them into a metal bowl. They repeat this with another potato.\n\n120-180s: The chopped potatoes are washed in the bowl under running water. They are then transferred to a white plate, covered with plastic wrap, and placed into a microwave. The timer is set. The person then washes the knife and cutting board.\n\n180-240s: The person retrieves a frying pan from a drawer, washes it in the sink, and dries it with a cloth. They place the pan on the stove. They open the refrigerator and take out a package of meat (likely bacon or ham).\n\n240-300s: The person opens a drawer to get a bottle of cooking oil. They pour oil into the frying pan. They open the meat package and place slices into the pan, arranging them with chopsticks.\n\n300-360s: The person checks the microwave. They go to the refrigerator, open the crisper drawer, and take out vegetables (corn and peppers). They return to the stove and continue cooking the meat, flipping it with chopsticks.\n\n360-420s: The person checks the microwave again. They are seen at the counter with the vegetables. They continue to cook the meat in the pan.\n\n420-480s: The person checks the microwave one last time. They are at the counter, possibly preparing to plate the food or continue with the vegetables.", "questions": [{"question": "Before I placed the meat slices into the frying pan, what was the last thing I had done with the potatoes?", "options": ["A. I had washed them under running water.", "B. I had chopped them into chunks.", "C. I had microwaved them with plastic wrap.", "D. I had peeled them with a knife."], "answer": "C", "evidence": "Potatoes were microwaved at 120-180s, then meat placed in pan at 240-300s. The last potato-related action before meat was microwaving.", "timestamps": "120-180s (microwave) and 240-300s (meat placement)"}, {"question": "After I had placed the potatoes in the microwave, what was the first thing I did afterward, and what was the last thing I did before placing the meat slices in the pan?", "options": ["A. First I washed the knife and cutting board, and last I opened the meat package.", "B. First I dried the frying pan, and last I placed the meat slices.", "C. First I retrieved the meat from the fridge, and last I poured oil.", "D. First I washed the knife, and last I placed the meat slices."], "answer": "A", "evidence": "After microwaving potatoes, I washed knife/board (first), then later opened meat package (last before placing slices).", "timestamps": "120-180s (microwave) and 180-300s (washing then meat opening)"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "3da5fd78-35a1-4103-adf8-f7d5a9b2224f", "description": "0-45s: The video opens with a view of a kitchen counter featuring a double stainless steel sink. On the left side of the sink, there is a bottle of blue dish soap and a roll of paper towels. To the right, various items are scattered on the countertop, including a jar of peanut butter, a box labeled \"Quantum,\" and some other small objects. In the background, wooden chairs with woven seats are visible, along with a refrigerator adorned with magnets and papers. A black microwave sits on the counter above the sink area. The scene then shifts to show a person holding a vacuum cleaner in what appears to be a living room or hallway. The individual is wearing a gray long-sleeve shirt and is seen from behind as they move forward while operating the vacuum. The camera angle provides a first-person perspective, showing the person's hand gripping the handle of the vacuum cleaner. As the person continues to vacuum, the camera captures the movement of the vacuum head across the carpeted floor. The surroundings include a door leading to another room and a wall-mounted light fixture illuminating the space. The overall setting suggests an indoor environment, likely within a residential home or apartment.\n\n45-90s: The video begins with a view of a hallway featuring two closed wooden doors. The walls are painted yellow, and the floor is covered with brown carpeting. A light fixture on the ceiling illuminates the space. The camera then transitions to a bathroom where a toilet is visible against a yellow wall. The toilet has a white tank and seat, and there is a towel rack mounted on the wall next to it. The camera focuses closely on the toilet, showing its details more clearly. \n\nNext, the scene shifts back to the hallway, but this time the perspective changes slightly, revealing a different section of the corridor. The camera pans around, capturing the same yellow walls and brown carpeting, maintaining consistency in the environment's appearance.\n\nFinally, the video shows a living room area. The room features a dark-colored couch positioned near a window that allows natural light to enter. Above the couch hangs a piece of artwork on the wall. To the right of the couch, there is a small table or stand holding various items, including what appears to be a lamp and some decorative objects. The overall ambiance of the room suggests a cozy and lived-in space. Throughout these scenes, no significant actions or movements occur; the focus remains on showcasing the interior spaces and their furnishings.\n\n90-135s: The video depicts a sequence of events primarily focused on cleaning activities within an indoor setting. Here's a detailed description based on the provided frames:\n\n1. **Initial Scene (Frames 1-3):**\n - The video begins with a close-up shot of a person's hand interacting with a vacuum cleaner. The individual is seen adjusting or handling parts of the vacuum, possibly preparing it for use.\n - The background shows a carpeted floor and part of a wall, indicating an indoor environment, likely a home or office space.\n\n2. **Transition to Hallway (Frame 4):**\n - The scene shifts to a hallway with wooden flooring and yellow walls. Two closed doors are visible in the background, suggesting a residential or office layout.\n - The camera appears to be moving forward, giving the impression that someone is walking through the hallway.\n\n3. **Living Room Cleaning (Frames 5-8):**\n - The video transitions to a living room area where the person is actively using the vacuum cleaner to clean the carpeted floor.\n - The living room features a dark-colored sofa with cushions, a coffee table, and some furniture like a speaker or electronic device placed near the wall.\n - The person maneuvers the vacuum back and forth across the carpet, focusing on thorough cleaning.\n\n4. **Close-Up Vacuum Operation (Frames 9-10):**\n - The camera provides a closer view of the vacuum cleaner as it moves along the carpet. The vacuum head is clearly visible, showing its design and functionality.\n - The person continues to operate the vacuum, ensuring all areas of the carpet are cleaned.\n\n5. **Final Frames (Frames 11-16):**\n - The video concludes with continued shots of the vacuuming process in the living room.\n - The person maintains a steady pace, methodically covering different sections of the carpet.\n - The overall atmosphere suggests a routine cleaning activity aimed at maintaining cleanliness in the living space.\n\nThroughout the video, the focus remains on the practical aspects of vacuuming, highlighting the tools and techniques used to keep the environment tidy. The transition between scenes effectively conveys the progression from preparation to active cleaning.", "questions": [{"question": "While I was vacuuming the living room, I thought back to the hallway I had walked through. What did the walls in that hallway look like?", "options": ["A. white-painted walls with a window and a piece of artwork", "B. yellow-painted walls with a ceiling light fixture", "C. blue-painted walls with a closed wooden door", "D. dark-painted walls with a towel rack and a toilet"], "answer": "B", "evidence": "The walls are painted yellow... a light fixture on the ceiling.", "timestamps": "90-135s (living room) and 45-90s (hallway)"}, {"question": "After I finished vacuuming the living room, I walked through a hallway and entered a bathroom. What was the color of the couch in the living room, and what was the color of the toilet seat in the bathroom?", "options": ["A. a blue-colored couch and a white toilet seat", "B. a brown-colored couch and a yellow toilet seat", "C. a dark-colored couch and a white toilet seat", "D. a gray-colored couch and a black toilet seat"], "answer": "C", "evidence": "a dark-colored couch... The toilet has a white tank and seat.", "timestamps": "0-45s or 90-135s (living room) and 45-90s (bathroom)"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "3ca85581-fd78-4b72-9e36-6963a6598b25", "description": "0-15s: The video begins with a close-up, blurry view of a white surface, likely a wall or ceiling. The camera then pans down and to the right, revealing a laundry area. A top-loading washing machine is visible with its lid open. Next to it is a utility sink with exposed plumbing, including red-handled valves.\n\n15-45s: The camera moves away from the laundry area, passing through a dark space before entering a living room. In the living room, there is a brown leather couch, a wooden coffee table with a guitar resting on an ottoman beside it, and a television on a stand. The camera then enters a bedroom where another person is sitting at a desk using a computer. The room contains a bed with a blue and white patterned comforter and a poster of cars on the wall.\n\n45-90s: The camera focuses on the floor of the bedroom, showing a closet with clothes hanging inside and various items on the floor, including a basketball and some bags. It then returns to the living room, where the camera operator sits down on the couch. They place a black tool kit on their lap and open it, revealing tools such as pliers and screwdrivers.\n\n90-180s: While seated in the living room, the camera operator takes out a smartphone from the tool kit and uses it for an extended period. After putting the phone down, they pick up a small, thin object, possibly a guitar string or a tool, and examine it closely. The camera remains focused on the coffee table, guitar, and tool kit during this time.\n\n180-270s: The camera operator gets up and walks back into the bedroom. They move around the room, looking at different areas, including the window with blinds, the dresser, and the closet. The camera briefly shows a reflection of the operator in a mirror.\n\n270-360s: The operator continues to move between the bedroom and the hallway leading to the living room. They appear to be searching for something, looking into the closet and at items on the floor. At one point, they hold up a long, thin object that looks like a cane or a stick.\n\n360-450s: The camera shows more views of the bedroom, focusing on the window, the closet, and the general state of the room. The operator seems to be organizing or tidying up, moving items around. They look out the window, which has white horizontal blinds.\n\n450-540s: The operator continues their activity in the bedroom, occasionally glancing towards the living room. They interact with items near the window and on the floor. The camera captures close-ups of climbing gear, including carabiners and ropes, lying on the floor.\n\n540-630s: The movement becomes more erratic as the operator moves quickly between rooms. They enter and exit the bedroom multiple times, sometimes just capturing a glimpse of the doorway or the adjacent living room.\n\n630-720s: The camera stabilizes again in the bedroom. The operator looks around the room, focusing on the closet, the window, and the desk area. Another person is still visible in the background, sitting at the desk in the other part of the room.\n\n720-810s: The operator continues to move around the bedroom, interacting with objects and looking in different directions. The camera provides various angles of the room, highlighting the unmade bed, the desk setup, and the cluttered floor.\n\n810-900s: The camera focuses on the window and the surrounding area in the bedroom. The operator appears to be adjusting or examining something near the window. The lighting changes slightly as the blinds are moved.\n\n900-990s: The operator moves back towards the door, looking out into the hallway and the living room. They seem to be deciding on their next action, pausing in the doorway several times.\n\n990-1080s: The camera returns to the bedroom, showing the closet and the items on the floor. The operator picks up and examines some of the climbing gear again.\n\n1080-1170s: The operator continues to sort through items in the bedroom, moving between the closet, the floor, and the desk area. The camera captures detailed views of the objects being handled.\n\n1170-1200s: The video concludes with the operator standing in the bedroom, looking towards the desk where the other person is still working. The final shot is a wide view of the bedroom, showing the bed, desk, and window.", "questions": [{"question": "After I set my smartphone down on the living room couch and picked up a small thin object to examine closely, what did I look at first upon entering the bedroom just moments later?", "options": ["A. the mirror that briefly showed my own reflection", "B. the bedroom window that featured white horizontal blinds", "C. the dresser that stood against the bedroom wall", "D. the closet where clothes were hanging on rods"], "answer": "B", "evidence": "After using the phone and examining the small object, the camera moves to the bedroom and shows 'the window with blinds, the dresser, and the closet. The camera briefly shows a reflection of the operator in a mirror.' The window is listed first.", "timestamps": "90-180s (couch) and 180-270s (bedroom)"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "3f67f179-e9ae-4d12-bd00-d0ccdab3c354", "description": "0-90s: The video begins with a first-person view of a kitchen counter. The person is handling small red tomatoes near a white rice cooker. They then pick up a whole, dark green avocado, wash it under the tap in the stainless steel sink, and place it on a clear cutting board. Using a knife, they slice the avocado in half lengthwise. The avocado is twisted open, the pit is removed, and the skin is peeled off. The avocado flesh is chopped into chunks and added to a metal bowl that already contains lettuce and tomatoes.\n\n90-160s: The camera pans to the right to show a black induction cooktop where a pot of stew is simmering. The person stirs the contents with a wooden spoon. They then move back to the counter, pick up a black mug, and fill it with hot water from the white rice cooker. The water is poured into the pot, and the person stirs the mixture again to incorporate it.\n\n160-205s: The person opens a drawer to their left and retrieves a box of curry roux. The box has Japanese text, including \"Golden Curry\" and \"Tominaru\" (\u3068\u307f\u306a\u308b). They place the box on the counter next to a red apple.\n\n205-280s: The person picks up the red apple and a knife. They cut the apple in half on the cutting board. Using the knife, they carefully peel the skin off the apple halves. The apple is then sliced into chunks and added to the salad bowl with the other ingredients.\n\n280-340s: The person cleans the cutting board and knife in the sink, washing away fruit scraps. They rinse the sink area. The camera briefly shows a wide view of the kitchen, including the refrigerator and dish rack.\n\n340-400s: The camera focuses on the stove again. The person stirs the pot, which contains a simmering liquid with vegetables and meat. They check the consistency of the stew.\n\n400-480s: The person picks up the curry roux box, opens it, and takes out the blocks of roux. They break the blocks into smaller pieces and add them to the simmering pot. They stir continuously with the wooden spoon to dissolve the roux. The liquid in the pot thickens and turns a rich brown color as the curry cooks. The video ends with the person stirring the thickened curry.", "questions": [{"question": "Earlier I added chopped avocado to the salad bowl, and later I added chopped apple to the same bowl. What did I do with the apple before adding it?", "options": ["A. I cut it in half and then peeled the skin off both halves", "B. I washed it under the tap and then sliced it into wedges", "C. I removed its core and then chopped it into small cubes", "D. I quartered it and then removed the seeds with a knife"], "answer": "A", "evidence": "The person picks up the red apple and a knife, cuts the apple in half on the cutting board, carefully peels the skin off the apple halves, then slices the apple into chunks and adds them to the salad bowl.", "timestamps": "205-280s"}, {"question": "After I stirred the stew with the wooden spoon, I filled a black mug with hot water from the rice cooker. What did I do with that water?", "options": ["A. I poured it into the pot and stirred the mixture again", "B. I used it to rinse the cutting board and knife in the sink", "C. I added it to the salad bowl to wash the vegetables", "D. I set it aside on the counter and later drank it"], "answer": "A", "evidence": "The person fills a black mug with hot water from the rice cooker, pours the water into the pot, and stirs the mixture again to incorporate it.", "timestamps": "90-160s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "3e310620-c894-4f65-b3ff-6c91e71e7d15", "description": "0-5s: The video opens with a static shot of a white wall. A black, rectangular wire frame, which is the music stand for a keyboard, is visible at the bottom of the screen.\n\n5-12s: The camera pans down to reveal a silver and black Casio electronic keyboard. The brand name \"CASIO\" is visible on the left side of the control panel. A hand enters from the bottom and presses a key. The view then shifts, showing the headstock of an acoustic guitar being held in front of the keyboard.\n\n12-20s: The camera abruptly moves away from the instruments, panning across a living room space. It shows a patterned rug, a glass-topped coffee table, and a glimpse of another person sitting in the background before settling on a wide view through large glass doors into an adjacent, brightly lit lounge area decorated with colorful pennant banners.\n\n20-60s: The camera remains mostly stationary, focused on the lounge area through the glass partition. People can be seen moving around in the other room. One person walks past the window, and another is seated on a couch. The scene is calm, with natural light illuminating the space.\n\n60-90s: The camera angle tilts and shifts, providing different perspectives of the same lounge area. At one point, a person wearing a blue shirt and dark shorts walks into the lounge, bends over near a sofa, and then walks out of view. The camera work becomes slightly unsteady.\n\n90-180s: The perspective changes significantly. The camera is now positioned low, seemingly held by someone sitting on a couch or chair in the foreground room. An acoustic guitar is resting on their lap. The view looks over the guitar towards the glass coffee table and the lounge beyond. The person's bare legs and red sneakers are occasionally visible. They begin to play the guitar, with their left hand fretting chords on the neck.\n\n180-360s: This extended segment continues the first-person perspective of playing the guitar. The camera focuses on the hands on the instrument, the patterned rug below, and the glass coffee table which holds a beverage can and three black, spherical decorative objects. The person strums and changes chords continuously. The camera shakes and moves with the rhythm of the playing. Occasionally, the camera pans up slightly to show more of the lounge area through the glass walls.\n\n360-420s: The guitar playing ceases. The camera lifts and turns, briefly showing a woman with long blonde hair who smiles and gestures towards the camera before it pans away again. The focus returns to the general view of the room, looking towards the lounge.\n\n420-450s: In the final moments, the camera pans back towards the corner where the musical instruments were first seen. The electronic keyboard, its stand, a small drum, and a floor lamp are visible next to a sliding glass door that leads outside. The video ends on this wider shot of the room's layout.", "questions": [{"question": "Before I began playing the guitar, I was holding it while seated. What was I doing with my hands just before the playing started?", "options": ["A. I was fretting chords on the guitar's neck.", "B. I was adjusting the guitar strap on my shoulder.", "C. I was placing the guitar on the glass coffee table.", "D. I was tuning the guitar's strings with a tuner."], "answer": "A", "evidence": "The person's bare legs and red sneakers are occasionally visible. They begin to play the guitar, with their left hand fretting chords on the neck.", "timestamps": "90-180s and 180-360s"}, {"question": "After I stopped playing the guitar, I turned the camera away from the lounge and showed a woman. What was she doing?", "options": ["A. She was smiling and gesturing towards the camera.", "B. She was sitting on a couch reading a book.", "C. She was walking towards the sliding glass door.", "D. She was picking up a small drum from the floor."], "answer": "A", "evidence": "The camera lifts and turns, briefly showing a woman with long blonde hair who smiles and gestures towards the camera.", "timestamps": "360-420s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "40ad5a43-4ab4-4e22-a595-e032a871a669", "description": "0-45s: The video opens with a view of a cluttered workshop floor next to a red lawnmower and a black tool chest. A person walks into frame, holding a small, circular metal pulley in their left hand. They approach the lawnmower, which has its seat lifted, revealing the engine compartment. The engine is a \"Kawasaki FR691V 24.0\". The person places the old pulley on the edge of the grey plastic seat base for inspection.\n\n45-135s: The person retrieves a new part from a clear plastic bag that was sitting inside the seat's storage compartment. The new part is a hose with brass fittings. They place this new hose into the seat's storage area alongside the old pulley and other packaging materials. The purpose appears to be gathering all necessary components before beginning the installation.\n\n135-225s: After organizing the parts, the person moves away from the mower towards the large black tool chest. They open a wide drawer filled with an organized set of wrenches and sockets. After a brief search, they select a silver combination wrench and walk back to the lawnmower. They place the wrench on top of the engine's air filter cover and then use a smartphone, possibly to look up instructions or take a photo.\n\n225-315s: The person returns to the tool chest, closes the first drawer, and opens a lower one containing pliers and screwdrivers. They retrieve a pair of pliers. Returning to the mower, they begin working on the engine area under the seat, using the pliers and a flashlight (which is clipped nearby) to see into the dark space. They appear to be disconnecting or adjusting something related to the belt system.\n\n315-480s: The mechanic continues the repair, frequently moving between the mower and the tool chest to swap tools. They use various wrenches to loosen and tighten bolts on the engine. At one point, they remove the old belt from the engine pulleys. The new hose remains in the seat's storage bin. The process involves careful manipulation of parts deep within the engine bay, illuminated by the work light. Towards the end, they are seen installing the new belt onto the pulleys, ensuring it is correctly routed before the video concludes.", "questions": [{"question": "After I inspected the old pulley on the seat base, which item did I retrieve from the clear plastic bag before I went to the tool chest for a wrench?", "options": ["A. A new hose with brass fittings to replace an old one", "B. A spare air filter for the engine's intake system", "C. A replacement belt for the mower's cutting deck", "D. A set of spark plugs for the engine's cylinders"], "answer": "A", "evidence": "The person retrieves a new part from a clear plastic bag that was sitting inside the seat's storage compartment. The new part is a hose with brass fittings.", "timestamps": "45-135s and 135-225s"}, {"question": "Why did I return to the tool chest after placing the wrench on the engine, and what did I take from the lower drawer?", "options": ["A. To get a flashlight because the engine area was dark", "B. To fetch a pair of pliers for the belt work", "C. To find a socket set for the engine bolts", "D. To put away the wrench and select a screwdriver"], "answer": "B", "evidence": "The person returns to the tool chest, closes the first drawer, and opens a lower one containing pliers and screwdrivers. They retrieve a pair of pliers.", "timestamps": "135-225s and 225-315s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "43db99a3-61ce-4548-ba5a-faf4c91c72f1", "description": "**0-50s: Cooking and Plating the Omelet**\nThe video begins with a first-person view of a black frying pan on a portable gas stove. Inside, a yellow omelet is cooking. The person uses an orange slotted spatula to fold and shape the omelet. To the right, a yellow basket labeled \"feeling\" holds white eggs. Around 25s, the person tilts the pan and slides the fully cooked omelet onto a white plate resting on the counter to the left. By 45s, the pan is empty, and the person picks up a clear bottle of cooking oil, pouring a small amount into the pan to prepare for the next step.\n\n**50-120s: Ingredient Preparation**\nThe person begins preparing the base for the fried rice. At 60s, they handle a plastic package near the sink, likely containing meat or a sauce. At 80s, they take a long green onion (scallion), wash it thoroughly under the tap in the stainless steel sink, and place it on a yellow cutting board. At 100s, a white bowl of cooked white rice is brought into view. The person transfers the rice into the oiled frying pan.\n\n**120-200s: Cooking the Fried Rice**\nUsing a metal ladle, the person breaks up and stirs the rice in the pan (130s). At 150s, they chop the washed green onion on the yellow cutting board. The chopped onions are then scraped into the pan with the rice (160s). Next, the person adds a brown mixture from a bowl (likely the meat/sauce prepared earlier) into the pan (170s). They stir vigorously, mixing the rice, green onions, and meat mixture together until well combined (180s-190s).\n\n**200-260s: Combining and Plating the Main Dish**\nAt 210s, the person picks up the white plate holding the previously cooked omelet and slides it back into the pan on top of the fried rice. They use the ladle to break the omelet into pieces and mix it into the rice (220s). Once mixed, they scoop the entire contents of the pan\u2014the fried rice with egg pieces\u2014onto the white plate (230s-250s).\n\n**260-360s: Preparing the Lettuce Side**\nAfter plating the main dish, the person briefly walks away (260s) and opens a refrigerator door, revealing oranges and bananas inside (270s). Returning to the counter, they take a head of green lettuce (290s). They tear off leaves by hand and place them on top of the fried rice on the plate as a fresh side (310s-330s). The remaining lettuce head is wrapped back in its plastic packaging (340s). At 350s, the person picks up a packaged food item (possibly bread or tofu) from the floor near their feet.\n\n**360-480s: Cleaning Up**\nThe cleanup process begins. The person takes the yellow cutting board and a knife to the sink and rinses them under running water (370s-390s). They then wash the orange spatula with a sponge (400s). A blue bowl used earlier is washed next (420s). Finally, the person takes the black frying pan to the sink (450s) and scrubs the inside with a sponge under running water to remove food residue, finishing the video with the pan being cleaned (470s-480s).", "questions": [{"question": "Earlier I transferred the cooked white rice into the oiled pan, but what did I do with the washed green onion before adding it to the rice?", "options": ["A. Chopped it on the yellow cutting board", "B. Tore it into small pieces by hand", "C. Blended it with the brown mixture", "D. Stored it back in the plastic package"], "answer": "A", "evidence": "At 150s, the person chops the washed green onion on the yellow cutting board. The chopped onions are then scraped into the pan with the rice at 160s.", "timestamps": "80-100s and 150-160s"}, {"question": "Before I cleaned the frying pan in the sink, which of these actions did I do first?", "options": ["A. Rinsed the yellow cutting board and knife", "B. Washed the orange spatula with a sponge", "C. Scrubbed the black pan with a sponge", "D. Tore lettuce leaves onto the rice plate"], "answer": "D", "evidence": "At 310-330s, the person tears lettuce leaves and places them on top of the fried rice. The cleaning process begins at 360s: the cutting board and knife are rinsed at 370-390s, the spatula at 400s, and the pan at 450s.", "timestamps": "310-330s and 370-470s"}, {"question": "I opened the refrigerator near the middle of the video, then later returned to the counter. What did I take out and do with the item I picked up from the floor near my feet?", "options": ["A. Took lettuce and tore leaves for the side", "B. Took oranges and placed them on the plate", "C. Took bread and wrapped it in plastic", "D. Took a packaged food and set it aside"], "answer": "A", "evidence": "At 270s, the refrigerator reveals oranges and bananas. At 290s, the person takes a head of green lettuce, tears leaves and places them on the fried rice (310-330s). At 350s, they pick up a packaged food item from the floor.", "timestamps": "270-290s and 310-350s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "40dc8b1a-9cee-455c-af49-d7971247dd5f", "description": "0-158s: The video opens with a first-person view of a person using a scroll saw to cut a large, light-colored wooden board. The board already has a significant curved section cut out from its right side. The person's right hand, with dark red nail polish, guides the wood through the saw blade along a pre-drawn line, slowly extending the existing curve. To the left is a brown bowl filled with wood scraps and offcuts. A white container sits on the workbench behind the saw.\n\n158-237s: After completing the cut, the person removes the newly shaped piece of wood from the main board. They carry it over to a different, cluttered workbench. On this new bench, there is a roll of masking tape, a tube of \"ACRYLIC COLOUR\" paint, and other art supplies. The person retrieves a metal compass from a red case and begins to draw a circle onto the surface of the wooden piece. They then use a yellow combination square ruler, which has text reading \"HARDENED STEEL\" and \"ACIER TREMPE\", and a pencil to draw straight lines, creating a more complex design on the wood.\n\n237-480s: The person takes the marked wooden piece back to the scroll saw station. They carefully position the wood under the saw blade, aligning it with the newly drawn lines. For the remainder of the video, they proceed to meticulously cut along the penciled curves, rotating the wood to follow the intricate pattern. The camera remains in a fixed overhead position, focused on the hands guiding the wood through the cutting process.", "questions": [{"question": "After I carried the freshly cut piece to the cluttered bench, I opened a red case. What did I take out of it, and what did I do with that item?", "options": ["A. I took out a metal compass and used it to draw a circle.", "B. I took out a yellow square and used it to draw straight lines.", "C. I took out a pencil and used it to sketch the design.", "D. I took out a roll of masking tape and used it to hold the wood."], "answer": "A", "evidence": "The person retrieves a metal compass from a red case and begins to draw a circle onto the surface of the wooden piece.", "timestamps": "158-237s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "4053f92f-472b-498c-bdf2-3ff88eb0c492", "description": "0-45s: The video opens with a first-person view of a mechanic sitting on the ground, working on a disassembled motorcycle part. He is holding a silver-colored metal housing (a stator plate) and uses blue-handled pliers to manipulate components inside it. On the dirt ground beside him are his tools: a black plastic cover, a bright blue cloth, various screws, and a cylindrical copper-wound component (an ignition coil).\n\n45-120s: The mechanic continues to work meticulously on the stator plate. He puts down the pliers and uses his fingers to adjust small parts within the assembly. He then picks up a green-handled screwdriver to make further adjustments. His hands are covered in grease and dirt, indicating he has been working for some time. The camera angle remains fixed, looking down at his lap and the task at hand.\n\n120-180s: After finishing with the screwdriver, the mechanic sets it aside and resumes adjusting the internal components of the stator plate with his fingers. He carefully examines the part, turning it over in his hands. A yellow air hose and other tools like T-wrenches are visible scattered on the ground around him. The scene establishes that this is an outdoor repair job.\n\n180-270s: The mechanic picks up a new-looking black plastic component from a white paper wrapper on the ground. This appears to be a replacement part, likely a set of breaker points or a condenser. He carefully inspects the old part still in the stator plate and compares it to the new one before beginning to install the new component into the housing.\n\n270-360s: With the new component installed, the mechanic continues to assemble the stator plate. He connects small wires to terminals on the new part. At 330s, a woman wearing a yellow and red sari walks into the frame from the right and stands nearby, observing the work. The mechanic briefly pauses, looks up towards her and the surrounding area, which includes a shopfront and another motorcycle.\n\n360-420s: The mechanic picks up a silver Samsung feature phone, possibly to use its light for better visibility or to check something. He holds the phone in one hand while continuing to work on the stator plate with the other. The woman remains standing next to him. The text \"Passion PRO\" is clearly visible on the blue and black fuel tank of the motorcycle being repaired.\n\n420-480s: Putting the phone down on his leg, the mechanic focuses again on the final stages of assembling the stator plate. He uses his fingers and then the blue-handled pliers to secure the last connections and ensure all parts are correctly seated. The video concludes with him holding the fully assembled stator plate, ready for installation back onto the motorcycle engine.", "questions": [{"question": "Before I picked up the silver phone, what was I holding in my hand?", "options": ["A. The stator plate.", "B. The blue-handled pliers.", "C. The green screwdriver.", "D. The new black component."], "answer": "A", "evidence": "The mechanic continues to work on the stator plate with his hands before picking up the phone, indicating he was holding the stator plate.", "timestamps": "360-420s"}], "n_frames_described": 100, "rejected_blind": 10, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "4446a8de-4175-48db-81ff-9c9c5e6c51d0", "description": "0-45s: The video begins with a first-person view of a person in a kitchen, holding a styrofoam tray containing raw chicken thighs wrapped in plastic. On the stainless steel counter to the left is a metal colander filled with shredded cabbage. To the right is a sink. The person places the tray on the counter and removes the plastic wrap. They then begin to separate the individual pieces of raw chicken from the block they are stuck together as, placing them one by one back into the tray.\n\n45-120s: After arranging all the chicken pieces flat in the tray, the person reaches for a small shaker from a drawer below the stove. They sprinkle seasoning, likely salt or pepper, over the chicken. Next, they retrieve a bag of white powder, identified by its packaging as potato starch (\"\u3058\u3083\u304c\u3044\u3082\u3067\u3093\u3077\u3093\"), from the refrigerator. They pour a generous amount of the starch onto the chicken pieces. Using their hands, they thoroughly rub the starch into each piece of chicken until it is evenly coated. Once finished, they wash their hands in the sink and dry them on a nearby towel.\n\n120-210s: With the chicken prepared, the person moves to the next step. They take a small white bowl and crack an egg into it. Using wooden chopsticks, they whisk the egg. They then turn their attention to a pot of water already boiling on the stove. They add green vegetables, which appear to be mung bean sprouts or similar greens, from a colander into the boiling water.\n\n210-300s: The person opens the refrigerator again and takes out a zip-top bag containing a brown paste, likely miso. They use a ladle and chopsticks to scoop a large spoonful of the paste into the pot with the boiling vegetables. They stir the contents of the pot with the chopsticks to dissolve the miso paste completely, creating a broth.\n\n300-480s: For the remainder of the video, the person continues to cook the soup. They repeatedly use the chopsticks to stir the pot, ensuring the ingredients are well-mixed and cooking evenly. The camera remains focused on the stovetop as the soup simmers. The other prepared ingredients\u2014the seasoned chicken and shredded cabbage\u2014remain on the counter, waiting to be added to the dish later.", "questions": [{"question": "After I retrieved potato starch from the refrigerator to coat the chicken, I later opened the refrigerator again while the vegetables boiled. What did I take out and add to the soup?", "options": ["A. a zip-top bag filled with brown miso paste to flavor the broth", "B. a fresh egg that I planned to whisk for the batter", "C. a bag of potato starch meant for coating the chicken", "D. a head of cabbage that I intended to shred for the salad"], "answer": "A", "evidence": "The person opens the refrigerator again and takes out a zip-top bag containing a brown paste, likely miso. They use a ladle and chopsticks to scoop a large spoonful of the paste into the pot.", "timestamps": "45-120s and 210-300s"}, {"question": "Once the green vegetables were in the boiling pot, I opened the refrigerator again. What was the reason for this second trip, and which ingredient had I added to the pot first?", "options": ["A. to get miso paste for the broth, and I added greens first", "B. to get miso paste for the broth, and I added miso first", "C. to get potato starch for coating, and I added greens first", "D. to get an egg for the soup, and I added chicken first"], "answer": "A", "evidence": "They add green vegetables into the boiling water. Later, they open the refrigerator again and take out a zip-top bag containing a brown paste, likely miso, to add to the broth.", "timestamps": "120-210s and 210-300s"}, {"question": "I whisked an egg in a small bowl early in the video. By the time the soup was simmering, what was the state of that egg?", "options": ["A. it had been poured into the boiling pot", "B. it was mixed into the chicken coating", "C. it sat unused in the bowl on the counter", "D. it was thrown into the sink and washed away"], "answer": "C", "evidence": "They take a small white bowl and crack an egg into it. Using wooden chopsticks, they whisk the egg. Later, the soup simmers and the egg is not mentioned again.", "timestamps": "120-210s and 300-480s"}, {"question": "After I seasoned and coated the chicken, I left it on the counter. What did I do with it when the soup was simmering?", "options": ["A. it was added to the pot with the soup", "B. it was placed back in the refrigerator", "C. it was discarded in the trash", "D. it remained on the counter unused until the end"], "answer": "D", "evidence": "The other prepared ingredients\u2014the seasoned chicken and shredded cabbage\u2014remain on the counter, waiting to be added to the dish later.", "timestamps": "0-120s and 300-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "440a93a3-3211-4569-be87-9bafb9afd5b7", "description": "0-45s: The video opens with a first-person perspective of someone walking through what appears to be a hardware or garden supply store. The person is holding an orange and black chainsaw in their left hand as they navigate down an aisle lined with shelves stocked with various items, including boxes and other power tools on the floor. They pass by several red and black string trimmers before turning into another section of the store that contains more equipment like lawnmowers and leaf blowers.\n\n45-120s: The scene transitions to a workshop environment where the individual approaches a workbench cluttered with tools and materials. A gray toolbox sits prominently on the bench alongside spray cans, tape measures, and other small implements. In the background, there's a pegboard wall displaying additional tools such as wrenches and screwdrivers. The person seems to be preparing for some form of mechanical work or repair task.\n\n120-230s: Now focused on a specific project involving a piece of machinery\u2014likely part of a lawn mower given its design\u2014the individual begins working underneath it while positioned on a lift platform. Using both hands, they manipulate components within tight spaces beneath the vehicle. An orange flashlight provides illumination for this detailed inspection or adjustment process. Various tools remain scattered around them on the lift surface throughout these actions.\n\n230-340s: Continuing under the lifted machine, the person switches between different instruments\u2014a pair of pliers followed by a socket wrench\u2014to make precise adjustments or repairs. Their movements are deliberate and careful, indicating familiarity with the task at hand. At one point, they pause briefly to reposition themselves slightly but quickly resume their efforts without losing focus.\n\n340-480s: Towards the end of the sequence, the individual uses needle-nose pliers extensively to handle smaller parts or wires hidden deep within the machinery\u2019s structure. Despite limited visibility due to confined space constraints, they manage to complete necessary modifications successfully. Finally, after ensuring everything is properly secured, they step back from the lift, signaling completion of this phase of maintenance work. Throughout all segments described above, no text was visible except possibly faint markings on certain objects which were not legible enough to transcribe accurately.", "questions": [{"question": "After I had used the socket wrench to adjust the machinery under the lift, which tool did I use during the later part of the repair work?", "options": ["A. the orange flashlight to illuminate the work area", "B. needle-nose pliers to handle small parts", "C. a pair of pliers to make adjustments", "D. the socket wrench for further adjustments"], "answer": "B", "evidence": "Uses needle-nose pliers extensively to handle smaller parts or wires hidden deep within the machinery's structure, after having used a socket wrench earlier.", "timestamps": "230-340s and 340-480s"}, {"question": "After I began working beneath the lifted machinery, what was the first tool I used, and just before I stepped back, what was the last tool I used?", "options": ["A. starting with the orange flashlight and ending with needle-nose pliers", "B. starting with the orange flashlight and ending with the socket wrench", "C. starting with a pair of pliers and ending with needle-nose pliers", "D. starting with the socket wrench and ending with a pair of pliers"], "answer": "A", "evidence": "An orange flashlight provides illumination for the detailed inspection, and later needle-nose pliers are used extensively before stepping back from the lift.", "timestamps": "120-230s and 340-480s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "407cfd9d-39de-41be-8115-bf6baa34695c", "description": "0-45s: The video opens with a view from inside a room, looking out through a large window at an outdoor scene. It is daytime and appears to be raining outside, as evidenced by the wet pavement and overcast sky. Outside, there are trees with autumn foliage, including some with red leaves. A few cars are parked in a lot visible through the window. Inside the room, on the windowsill, there are various items including colorful party hats and what looks like a roll of paper towels. The camera then pans upwards, showing more of the ceiling and upper part of the window frame.\n\n45-120s: The scene transitions to show a different angle within the same indoor setting. The camera now focuses on a living area featuring two gray sofas arranged around a coffee table. The room has a modern aesthetic with clean lines and minimalistic decor. Large windows allow natural light to flood the space, enhancing the bright and airy atmosphere. In the background, additional furniture and decor elements can be seen, contributing to the overall cozy yet stylish ambiance of the room.\n\n120-180s: The video shifts to another part of the interior, showcasing a bedroom area. The room features a neatly made bed with white bedding, positioned against a wall with large windows that let in ample natural light. Next to the bed is a small nightstand holding a lamp and other decorative items. The floor is dark, contrasting with the lighter walls and creating a balanced visual appeal. A mirror reflects parts of the room, adding depth to the scene. The overall atmosphere remains calm and inviting, consistent with the previous scenes' modern and comfortable design.\n\n180-240s: The perspective changes again, this time focusing on a different section of the bedroom. Here, the emphasis is on the interaction between the person filming and their surroundings. The individual is seen moving around the room, possibly adjusting or interacting with objects such as a vacuum cleaner placed near the window. The presence of balloons suggests a celebratory occasion might be taking place. The room continues to maintain its tidy and well-lit appearance, reinforcing the theme of a pleasant and organized living environment.\n\n240-300s: The video returns to the initial setting near the window, where the focus is once again on the rainy outdoor scenery. The camera captures the movement of vehicles passing by outside, emphasizing the dynamic nature of the external environment despite the static indoor setting. Inside, the arrangement of party supplies on the windowsill remains unchanged, hinting at preparations for an event. The juxtaposition of the serene indoor space against the bustling outdoor activity creates a compelling contrast.\n\n300-360s: The final segment revisits the living area, providing a closer look at the details of the room's furnishings and layout. The camera zooms in on specific elements such as the magazines and books scattered across the coffee table, offering insight into the interests or activities of the occupants. The vibrant colors of the party decorations stand out against the neutral tones of the room, adding a festive touch. Overall, the video concludes by highlighting the harmonious blend of functionality and aesthetics within the home, leaving viewers with a sense of warmth and comfort.", "questions": [{"question": "Which of these items did I see first: the gray sofas, the white bedding, the party hats, or the wall mirror?", "options": ["A. Two gray sofas arranged in the living area", "B. White bedding neatly made on the bed", "C. Colorful party hats placed on the windowsill", "D. A large wall mirror mounted in the bedroom"], "answer": "C", "evidence": "First segment (0-45s) shows party hats on the windowsill. The sofas appear in 45-120s, and the bedding and mirror appear in 120-180s.", "timestamps": "0-45s, 45-120s, 120-180s"}, {"question": "Which object did I see in the bedroom during my second visit that was not present during my first visit?", "options": ["A. A large wall mirror that reflected the room", "B. A small wooden nightstand beside the bed", "C. A lamp sitting on the wooden nightstand", "D. A modern vacuum cleaner placed near the window"], "answer": "D", "evidence": "First bedroom view (120-180s) mentions bed, nightstand, lamp, mirror, but no vacuum. Second view (180-240s) includes a vacuum cleaner near the window.", "timestamps": "120-180s and 180-240s"}, {"question": "What did I see outside when I first looked through the window, and what did I later see on the coffee table?", "options": ["A. Cars parked in the rainy lot; a roll of paper towels", "B. Rain falling on the wet pavement; magazines and books", "C. Trees with red autumn leaves; a cluster of balloons", "D. Rain falling on the wet pavement; a glowing lamp"], "answer": "B", "evidence": "First segment (0-45s) shows rain and wet pavement. Final segment (300-360s) shows magazines and books scattered on the coffee table.", "timestamps": "0-45s and 300-360s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "44c107c5-c80d-41ef-a469-3ef7edb309c5", "description": "0-328s: The video opens with a static, first-person view of a modern living room. In the foreground is a white coffee table holding several objects: a bright pink paper pom-pom decoration, a turquoise ceramic mug with a gold-colored handle and base, a white Xbox-style game controller resting on a folded white napkin, and a deck of playing cards in their box, which has \"Bicycle\" printed on it. To the right, another person wearing dark pants sits on a light-colored sofa, initially holding a black smartphone. From 0s to approximately 15s, this person places their phone down on the sofa beside them. For the next two minutes, the scene remains largely unchanged; the camera is stationary, and both individuals appear to be looking at their respective phones or waiting. At around 127s, the arrangement of the playing cards on the table changes slightly, suggesting they were moved just before this frame. The primary action begins at 246s when the person on the sofa stands up, revealing he is a bald man wearing sunglasses and a green lanyard. He walks out of the frame to the right. The camera then pans left, showing more of the room, including large windows and a TV console, before following the man as he walks down a hallway. The final frames show him entering an office space where other people are present.", "questions": [{"question": "After the man left the living room, what did the camera show when it panned left, and where did it eventually follow him to?", "options": ["A. Large windows and a TV console, then down a hallway to an office space.", "B. A coffee table and a sofa, then across the living room to a hallway.", "C. A window and a television, then through an office to a hallway.", "D. A hallway and an office, then back to the living room and sofa."], "answer": "A", "evidence": "The camera then pans left, showing more of the room, including large windows and a TV console, before following the man as he walks down a hallway. The final frames show him entering an office space where other people are present.", "timestamps": "246-328s"}, {"question": "At the moment I noticed the playing cards had been moved, where was the man sitting, and what did he reveal when he stood up?", "options": ["A. Standing by the window, and a pair of sunglasses.", "B. Walking in the hallway, and a green lanyard.", "C. Already inside the office, and dark-colored pants.", "D. Seated on the sofa, and a completely bald head."], "answer": "D", "evidence": "At around 127s, the arrangement of the playing cards on the table changes slightly. The primary action begins at 246s when the person on the sofa stands up, revealing he is a bald man wearing sunglasses and a green lanyard.", "timestamps": "127s and 246s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "4b063d88-3ac3-4199-975d-06236ba9db73", "description": "0-45s: The video begins with a first-person view of a kitchen counter. A person is unpacking groceries, taking a white daikon radish out of a plastic bag and placing it on the stainless steel countertop next to a wooden cutting board. Other ingredients are visible, including a container of red tomatoes, a head of lettuce in a salad spinner, and various condiments. The person then moves to the sink area and begins peeling the daikon radish with a knife over the sink.\n\n45-90s: After peeling the radish, the person places it on the cutting board. They then move to the stove, where a pot is simmering on an induction cooktop. They lift the lid to check on the contents before moving back to the counter. The person opens a drawer-style dishwasher and retrieves two plates: one plain white plate with a pink floral pattern and another white plate with a blue floral design. These are placed on the counter. Next, they take the lettuce from the salad spinner, tear it into smaller pieces by hand, and arrange them onto the two plates.\n\n90-135s: With the lettuce plated, the person takes a tomato from its container, places it on the cutting board, and slices it. The tomato slices are then added to both plates alongside the lettuce. They briefly clean up some vegetable scraps into a plastic bag. The focus shifts to cleaning; the person rinses the clear glass bowl and white colander parts of the salad spinner in the sink and places them on the dish rack above the sink to dry. They also retrieve a metal pot lid from the same rack.\n\n135-180s: The person returns their attention to the meal preparation. They open a cabinet under the counter and appear to be looking for something. Back at the main counter, they use a mandoline slicer to thinly slice the peeled daikon radish directly onto the plates with the lettuce and tomato. After slicing, they rinse the mandoline in the sink and place it on the dish rack. They then wipe down the stainless steel countertop with a cloth.\n\n180-270s: The person opens the refrigerator, which is stocked with bottles of wine, sauces, and other food items. They retrieve a yellow box labeled \"GOLDEN CURRY\" and a smaller orange box labeled \"\u30d0\u30fc\u30e2\u30f3\u30c8\u30ab\u30ec\u30fc\" (Vermont Curry). They place the Golden Curry box on the stovetop next to the simmering pot. They then open the Vermont Curry box, take out a foil-wrapped block of curry roux, unwrap it, and place the solid block on a small white tray on the stovetop. They also take out a package of what appears to be imitation crab sticks, open it, and add the crab sticks to the two plates of salad.\n\n270-360s: The person continues preparing the curry. They stir the contents of the pot on the stove with a ladle. They then begin cleaning up the workspace again, wiping the counter and washing the used cutting board and knife in the sink. The dirty dishes are scrubbed and rinsed.\n\n360-452s: In the final segment, the person finishes washing the cutting board and knife, placing them on the dish rack. They thoroughly wash the sink basin itself with a cloth and rinse it out. They hang the wet cloth on the faucet handle. The video concludes with a view of the cleaned kitchen counter, showing the two prepared plates of salad with crab sticks, the pot still simmering on the stove, and the curry roux blocks waiting to be added.", "questions": [{"question": "After I finished peeling the daikon radish at the sink, where did I place it before I later used the mandoline slicer?", "options": ["A. On the wooden cutting board on the stainless steel counter", "B. Inside the glass bowl of the salad spinner on the counter", "C. Directly onto the white plates that I had just taken out", "D. On the stove next to the pot that was simmering"], "answer": "A", "evidence": "After peeling the radish, the person places it on the cutting board. Later, they use the mandoline slicer to thinly slice the peeled daikon radish directly onto the plates.", "timestamps": "45-90s and 135-180s"}, {"question": "Which two items did I retrieve from the refrigerator after I had already plated the lettuce and tomato, and what did I do with the smaller orange box?", "options": ["A. A yellow curry box and a smaller orange box; opened the orange box and unwrapped the curry roux", "B. A bottle of wine and a yellow curry box; placed the wine on the counter and opened the curry", "C. A container of tomatoes and a head of lettuce; sliced the tomato and tore the lettuce", "D. A package of crab sticks and a yellow curry box; added the crab sticks to the plates"], "answer": "A", "evidence": "They retrieve a yellow box labeled 'GOLDEN CURRY' and a smaller orange box labeled '\u30d0\u30fc\u30e2\u30f3\u30c8\u30ab\u30ec\u30fc' (Vermont Curry). They open the Vermont Curry box, take out a foil-wrapped block of curry roux, unwrap it, and place the solid block on a small white tray on the stovetop.", "timestamps": "180-270s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "42c1630b-1c30-4fe0-b477-47d389b8904a", "description": "0-25s: The video begins with a first-person view of a person standing at a kitchen sink. They are holding a metal mesh strainer filled with cooked, light-colored noodles under a running faucet, actively rinsing them. A black pot sits in the sink basin to the right. To the left of the sink, on the counter, is a dish rack and a wooden board with a green cloth draped over it. Further left are pre-prepared ingredients in containers: one with sliced green vegetables (likely cucumber) and another with small red tomatoes and other garnishes.\n\n25-38s: The person finishes rinsing the noodles. They lift the strainer from the sink, shake off excess water, and move to their left. They transfer the rinsed noodles from the strainer into a long, rectangular white serving plate that was waiting on the counter next to the ingredient containers.\n\n38-49s: After placing the noodles on the plate, the person picks up a pair of wooden chopsticks. Using the chopsticks, they take some of the sliced green vegetables from their container and arrange them neatly on top of the noodles. Next, they add two small red cherry tomatoes as a garnish.\n\n49-67s: The person then reaches for a small, round plastic container with a clear lid, which holds a dark sauce or dressing. They open it and pour some of the contents over the noodles. Following this, they pick up a silver foil packet, tear it open, and squeeze a thick, reddish-brown sauce (resembling a curry or meat sauce) from the packet onto the center of the noodles.\n\n67-81s: With the dish assembled, the person briefly moves away from the counter, possibly to dispose of the empty sauce packet. They then return to the counter area. The completed noodle dish now sits ready on the counter.\n\n81-105s: The person turns their attention to cleaning up. They place the used metal strainer back into the stainless steel sink. They pick up a yellow sponge and begin washing the strainer under the tap, scrubbing both sides thoroughly before rinsing it clean.\n\n105-125s: After rinsing the strainer, they set it aside in the sink. They then pick up the black pot that was also in the sink. Using the same yellow sponge, they start scrubbing the inside of the pot to remove any residue from boiling the noodles.\n\n125-145s: The person continues to wash the pot, scrubbing its interior and exterior surfaces. They rinse the pot completely under the running water, ensuring all soap and food particles are gone. Once clean, they place the pot into the wire dish rack to dry alongside other utensils.\n\n145-165s: Next, the person washes the wooden chopsticks they used for plating. They scrub them with the sponge and rinse them well under the tap. The clean chopsticks are then placed in the dish rack. Finally, they use a yellow cloth to wipe down the countertop surface where the meal was prepared, clearing away any spills or crumbs.\n\n165-180s: The person places the now-clean and empty black pot onto the stovetop burner. The video concludes with a final shot of the tidy kitchen workspace: the plated noodle dish is on the counter, and all used cookware has been washed and put away.", "questions": [{"question": "Earlier I boiled noodles in a black pot. Later, after I had finished assembling the dish and cleaning up, where was that pot?", "options": ["A. left sitting in the kitchen sink", "B. put into the wire dish rack to dry", "C. resting on the counter beside the plate", "D. placed on the stovetop burner"], "answer": "D", "evidence": "The final shot shows 'the person places the now-clean and empty black pot onto the stovetop burner.'", "timestamps": "0-25s (pot seen in sink, implying boiling) and 165-180s (placement on stovetop)"}, {"question": "Earlier I placed the rinsed noodles onto the serving plate. Later, I cleaned up the kitchen. Which item did I clean first?", "options": ["A. the black cooking pot", "B. the wooden chopsticks", "C. the metal mesh strainer", "D. the long white serving plate"], "answer": "C", "evidence": "After placing the noodles, the cleaning sequence begins: 'They place the used metal strainer back into the stainless steel sink. They pick up a yellow sponge and begin washing the strainer under the tap...'", "timestamps": "25-38s (placing noodles) and 81-105s (cleaning strainer)"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "44c44b28-6243-4f17-a8e0-edc8c5afaba4", "description": "0-45s: The video opens with a view of a cluttered kitchen sink. A person in a blue and white striped shirt is preparing food. On the counter, there is a pan on a portable stove containing what appear to be gyoza (dumplings), and a red pot next to it contains boiling green edamame. The person seasons a bowl of lettuce with oil from a clear bottle with a black cap. They then place the bottle on the windowsill among other jars and containers.\n\n45-120s: The person uses red-handled scissors to cut something on a white cutting board. They then turn their attention back to the stove, using wooden chopsticks to check on the cooking gyoza in the beige-colored frying pan. After adding more oil to the pan, they shake the pan to move the dumplings around. Next, they prepare a dressing for the salad by squeezing contents from a small plastic bag into the bowl of lettuce, followed by shaking seasoning from a glass jar over it. They mix the salad thoroughly with their hands before washing their hands in the sink.\n\n120-210s: Returning to the stove, the person continues to cook the gyoza, flipping them with chopsticks. They adjust the flame on the gas burner. After retrieving a rectangular white plate from an overhead cabinet, they begin transferring the cooked, golden-brown gyoza from the pan onto the plate one by one.\n\n210-300s: Once all the gyoza are plated, the person takes the red pot off the heat. Using a large metal ladle, they scoop the boiled edamame out of the pot and transfer them into a white colander to drain. They set the colander of edamame on the stovetop to cool.\n\n300-360s: The cleanup process begins. The person opens a small, under-counter dishwasher and starts loading dirty utensils, including chopsticks and a ladle. They open a drawer to retrieve another item to wash. They continue to load various items like tongs and cups into the dishwasher.\n\n360-480s: The person moves to the sink to wash the remaining dishes by hand. They rinse the now-empty frying pan under running water, scrubbing it with a pink sponge. They also wash other bowls and utensils that were used during the meal preparation, placing them in the sink or drying rack as they finish. The video concludes with the person still at the sink, managing the pile of dirty dishes.", "questions": [{"question": "After I had loaded the dishwasher with utensils, what did I do with the frying pan that I had used for the gyoza?", "options": ["A. Rinsed the frying pan under running water and scrubbed it with a pink sponge", "B. Loaded the frying pan into the under-counter dishwasher along with the utensils", "C. Placed the frying pan on the drying rack next to the washed bowls", "D. Left the frying pan on the stove to cool down before washing"], "answer": "A", "evidence": "They move to the sink to wash the remaining dishes by hand. They rinse the now-empty frying pan under running water, scrubbing it with a pink sponge.", "timestamps": "300-360s and 360-480s"}, {"question": "Earlier I used a metal ladle to scoop edamame into a colander. Later, what did I do with the ladle?", "options": ["A. Scrubbed the metal ladle with a pink sponge at the sink under running water", "B. Set the metal ladle on the drying rack next to the washed bowls", "C. Loaded the metal ladle into the under-counter dishwasher with the other dirty utensils", "D. Put the metal ladle back in the overhead cabinet with the plates"], "answer": "C", "evidence": "Using a large metal ladle, they scoop the boiled edamame out of the pot... They open a small, under-counter dishwasher and starts loading dirty utensils, including chopsticks and a ladle.", "timestamps": "210-300s and 300-360s"}, {"question": "After I had loaded the dishwasher with utensils, what did I do with the remaining dishes?", "options": ["A. Loaded the remaining dishes into the under-counter dishwasher", "B. Washed the remaining dishes by hand in the kitchen sink using soap and water", "C. Placed the remaining dishes on the drying rack next to the washed bowls", "D. Set the remaining dishes on the stovetop to cool down after washing"], "answer": "B", "evidence": "They move to the sink to wash the remaining dishes by hand. They rinse the now-empty frying pan... They also wash other bowls and utensils that were used during the meal preparation, placing them in the sink or drying rack as they finish.", "timestamps": "300-360s and 360-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "48d1e463-972a-4269-a104-45beb9c380ef", "description": "0-45s: The video begins with a view of a cluttered kitchen counter. A person's hands enter the frame and begin preparing vegetables on a white cutting board placed next to a stainless steel sink. First, they take an onion, cut it in half, peel off the outer layer, and proceed to chop it into small pieces. After finishing the onion, they pick up a carrot, trim the ends, peel it over the sink, and then chop it into thin, round slices.\n\n45-120s: Following the carrot, the person chops a green bell pepper and several stalks of green onion. They then move on to a head of cabbage, tearing off leaves by hand and chopping them into bite-sized pieces. As each vegetable is chopped, it is gathered and placed into one of two metal colanders sitting on the counter. Once all the initial vegetables are prepped, the person turns their attention to the stove area.\n\n120-210s: The person moves to the black induction cooktop where a pan and a pot are situated. They open a drawer beneath the stove to retrieve a wooden spatula. Returning to the prep area, they gather the remaining ingredients: a package of ground meat, a bag of bean sprouts, and a black packet labeled \"MISOSUP\" (miso soup). They place the ground meat into the hot pan on the left burner and begin to stir-fry it with the wooden spatula. While the meat cooks, they use a white electric kettle to dispense hot water into the beige pot on the right burner.\n\n210-300s: With the meat browning, the person adds the chopped onions, carrots, peppers, and green onions from the colander into the pan, stirring everything together. Next, they add the bean sprouts and continue to stir-fry the mixture. They then add the large pile of chopped cabbage to the pan, mixing it thoroughly with the other ingredients until everything is well combined and cooking evenly.\n\n300-390s: The person continues to stir the contents of the pan. They then reach for the black \"MISOSUP\" packet again, tear it open, and pour its powdered contents directly into the simmering stir-fry. They mix the seasoning in thoroughly. Afterward, they return to the electric kettle, dispense more hot water into a measuring cup, and pour this into the beige pot on the right burner, which now contains a light-colored liquid base for the soup.\n\n390-480s: In the final segment, the person stirs the miso soup base in the pot. They then go back to the main dish in the pan, giving it a final stir to ensure all flavors are integrated. The video concludes with both dishes\u2014the stir-fry and the soup\u2014cooking simultaneously on the stove, ready to be served.", "questions": [{"question": "After I had chopped the vegetables, I stir-fried the meat. Which vegetable did I add to the pan after the bean sprouts?", "options": ["A. the carrot that I peeled and sliced into thin rounds", "B. the bell pepper that I chopped into small pieces", "C. the cabbage that I tore by hand into pieces", "D. the green onion that I cut into small pieces"], "answer": "C", "evidence": "They then add the large pile of chopped cabbage to the pan, mixing it thoroughly with the other ingredients until everything is well combined.", "timestamps": "0-120s and 210-300s"}, {"question": "After I had prepared the vegetables, I added them to the pan. Which vegetable did I add after the bean sprouts, and how had I prepared it earlier?", "options": ["A. the carrot that I peeled and sliced into thin rounds", "B. the cabbage that I tore by hand into pieces", "C. the bell pepper that I chopped into small pieces", "D. the green onion that I cut into small pieces"], "answer": "B", "evidence": "They then add the large pile of chopped cabbage to the pan. Earlier, they tore leaves off by hand and chopped them into bite-sized pieces.", "timestamps": "0-120s and 210-300s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "46a216b6-9ceb-411e-8bdc-361992974987", "description": "0-12s: The video opens on a kitchen stove with two pans. A person's left hand adjusts the handle of a small, black saucepan filled with water on the front burner. Their right hand holds a pink gas lighter and ignites the burner beneath it. To the right, a larger, reddish-brown pan sits on an unlit back burner. The camera then pans away from the stove to the left, showing a cluttered countertop with various containers and ingredients before returning its focus to the stovetop area.\n\n12-45s: The camera moves across the kitchen counter, revealing more items including a wooden rolling pin, a round wooden board (chakla), and several red onions next to a black frying pan. The view shifts again to another section of the counter where a large, translucent plastic tub containing white flour is prominent. Next to it are a purple-based appliance and other containers. A hand reaches into the frame and takes a blue plastic cup from a silver microwave oven.\n\n45-90s: The scene settles on the preparation area. The blue cup is placed on the black countertop. A stainless steel mixing bowl is positioned in front of the large flour tub. A hand scoops flour from the tub using a blue scoop and transfers it into the steel bowl. After adding some flour, the person picks up the blue cup, which now contains water, and pours it into the bowl with the flour. They then begin to mix the contents with their hand, starting the process of forming dough. Visible text includes \"Preethi\" on the stovetop, \"JMT\" on a bag of what appears to be chickpeas, and \"Nutella\" on a jar in the background.\n\n90-180s: For an extended period, the person continues to knead the mixture in the steel bowl. Their hands work the flour and water together, gradually combining them into a cohesive mass. The action is repetitive, focused on developing the texture of the dough. The surrounding environment remains unchanged, with the large flour tub, the JMT bag, and the purple appliance visible in the frame.\n\n180-240s: The kneading process persists without significant change in action or location. The person's hands continue to press and fold the dough inside the stainless steel bowl. The camera angle remains steady, providing a consistent view of this stage of food preparation.\n\n240-300s: In the final segment, the camera briefly pans away from the kneading station, moving over the stove where the pot of water is still heating, and towards a dish rack filled with clean dishes. It then returns to the prep area. The person places the yellow lid back onto the large flour container. They then pick up a knife and begin to cut one of the red onions on a blue cutting board, transitioning to the next step in their cooking process as the video concludes.", "questions": [{"question": "While the saucepan I had lit earlier continued heating on the stove, which of these actions did I perform after I had kneaded the dough for a long time?", "options": ["A. I cut one of the red onions on the blue cutting board", "B. I scooped flour from the tub into the steel mixing bowl", "C. I took the blue plastic cup out of the silver microwave", "D. I adjusted the handle of the small black saucepan"], "answer": "A", "evidence": "0-12s: front burner lit under a small black saucepan. 240-300s: after kneading, the person picks up a knife and begins to cut one of the red onions on a blue cutting board.", "timestamps": "0-12s and 240-300s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "45b2e36c-16fa-4a4b-ac8d-b55b4f6a60fc", "description": "0-30s: The video begins with a view of a kitchen counter where a white cutting board with red corners, a yellow-handled knife, a beige bowl, and a package of raw pork slices are arranged. The user picks up the cutting board and washes it in the stainless steel sink. They then open the bottom drawer of a silver refrigerator, revealing a digital timer on the fridge door reading \"09:00\", and retrieve a red tomato. After washing the tomato in the sink, they place it on the cutting board and begin slicing it.\n\n30-60s: The user finishes slicing the tomato and places the pieces into a small white flower-shaped dish. They reach into an upper wooden cabinet to retrieve a roll of plastic wrap. They wrap the sliced tomato in the plastic film. Afterward, they walk to the sink and fill a small pot with a yellow rim and black interior with water from the tap.\n\n60-90s: The pot of water is placed on the right burner of the gas stove. The user walks to a storage cart/shelf area and retrieves a packet labeled \"\u3064\u307f\u307f\u3068\u308d\u308d\" (Tsumimi Tororo). They return to the stove, tear open the packet, and pour the dried contents (appearing to be noodles or dried yam strips) into the pot of water.\n\n90-120s: The user returns to the main counter and rinses the cutting board and knife. They take a white onion out of a plastic bag, peel and slice it on the cutting board. The sliced onions are placed into the large beige bowl. The remaining part of the onion is placed back into a plastic bag and stored in the refrigerator drawer.\n\n120-150s: The user prepares a marinade or sauce. They pour dark liquid (likely soy sauce) from a bottle with a red cap and clear liquid (likely cooking wine or mirin) from a bottle with an orange cap into the beige bowl containing the sliced onions. They use chopsticks to mix the onions and liquids together.\n\n150-180s: The user picks up a small tube of paste (likely ginger or garlic) and squeezes some into the bowl with the onions. They continue to mix the ingredients thoroughly with chopsticks. They then reach up and press a button on the wall-mounted control panel, likely turning on the range hood fan above the stove.\n\n180-220s: The user briefly handles the package of pork slices. They squeeze more paste from the tube into the bowl. They then walk to the refrigerator and store the tube inside. Next, they pick up a round container with a bright green lid from the counter.\n\n220-260s: The user opens the green-lidded container, which appears to contain miso paste. Using a black ladle, they scoop a spoonful of miso into the pot of boiling water/noodles on the stove. They stir the soup to dissolve the miso.\n\n260-300s: The user opens a drawer under the counter to retrieve white serving bowls. They place a glass lid on the soup pot. They then turn their attention to the left burner, where a black frying pan is heating up, and stir the marinated onions (which were transferred to the pan earlier, though the transfer itself wasn't explicitly shown in a single frame, the onions appear in the pan in later frames).\n\n300-360s: The user alternates between stirring the miso soup in the right pot and the onions in the left frying pan. They ensure the soup is well-mixed and the onions are cooking evenly. They retrieve more bowls from the drawer.\n\n360-420s: The cooking process continues with the user stirring both the soup and the pan contents. They lift the lid off the soup pot to check it. They pour some of the soup from the pot into a serving bowl.\n\n420-480s: The user covers the soup pot with the lid again. They continue to stir the onions in the frying pan with chopsticks. Finally, they pour more soup into a bowl and give the soup pot a final stir before the video ends.", "questions": [{"question": "After I added the packet contents to the pot, which of these did I do first?", "options": ["A. squeezed the tube of paste into the beige bowl with the sliced onions", "B. rinsed the cutting board under the tap in the sink after slicing the onion", "C. placed the glass lid on the soup pot to cover the boiling miso soup", "D. scooped a spoonful of miso from the green-lidded container into the pot"], "answer": "B", "evidence": "The user returns to the main counter and rinses the cutting board and knife.", "timestamps": "60-90s and 90-120s"}], "n_frames_described": 100, "rejected_blind": 11, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "4bee2443-5c53-4469-bb98-d2a70b804780", "description": "**0-60s:** The video begins in a small room with white walls and a dark grey door. The camera person (C) checks a smartphone, displaying the time \"3:20\". C then picks up a bag of \"Starbucks Breakfast Blend\" coffee. C walks through the dark door into a hallway with an exposed industrial ceiling. C enters a larger room where a woman (W) with sunglasses and a green lanyard is holding a small ukulele. Musical instruments, including a keyboard and a drum, are visible in the corner.\n\n**60-120s:** C and W move towards a glass dining table with a vase of yellow tulips and a stack of yellow books. W talks to C. The camera pans to show three blue abstract paintings on the wall. They move into a lounge area featuring grey sofas with yellow and white pillows. C is still holding the coffee bag. They approach a white bookshelf filled with books and a potted plant.\n\n**120-180s:** C looks down at a coffee table covered with magazines, including titles \"Living\" and \"Vogue\". W picks up a clear water bottle from the bookshelf. They walk towards a large window where a colorful pom-pom decoration sits on the sill. The camera tilts up to show the exposed ceiling with pipes and lights.\n\n**180-240s:** The pair moves to a coffee station area. A black coffee maker, two green mugs, and various snacks are on a white counter. W picks up a box of the board game \"Sorry!\" from a small white cabinet next to a black trash can. They then enter a bedroom area with a white bed and white linens. W stands near the foot of the bed.\n\n**240-300s:** The camera pans up to the ceiling again, then back to the window view. They return to the main living area. W walks past the grey sofas. They are near the coffee station again, where W stands by the counter.\n\n**300-360s:** W stands near the coffee table in the living area, adjusting her sunglasses. She talks to C. They move back towards the window with the colorful pom-pom. The camera shows the view outside, revealing trees and a parking lot.\n\n**360-420s:** They are back in the living area. W walks around the sofas. The camera follows her movements. She stands near the coffee table again.\n\n**420-480s:** They return to the area with the glass table and keyboard. W sits or stands near the table. She talks to the camera. A man is visible in the background room through a doorway. The video ends with W talking to the camera.", "questions": [{"question": "After I saw the woman holding the ukulele, what item did she pick up first, and what item did she pick up later?", "options": ["A. a clear plastic water bottle, and the Sorry! board game box", "B. a stack of yellow books, and a green ceramic mug", "C. a small potted plant, and the small ukulele", "D. a clear plastic water bottle, and the small ukulele"], "answer": "A", "evidence": "W picks up a clear water bottle from the bookshelf (120-180s) and later picks up the Sorry! board game from a white cabinet (180-240s).", "timestamps": "60-120s for ukulele sighting; 120-180s and 180-240s for pickups"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "4703b4c7-61b9-4007-922e-f7e41fa65d4f", "description": "0-60s: The video begins with a first-person view of a kitchen counter. A person is cooking a yellow omelet (or tamagoyaki) in a black frying pan on a portable gas stove. They use wooden chopsticks to fold and shape the egg as it cooks. To the left, a stainless steel sink contains various vegetables: a head of lettuce, a cucumber, a tomato, and a plate with sliced peppers. A red-and-white heart-patterned cloth covers a dish rack.\n\n60-120s: The cooked omelet is transferred from the pan to a white cutting board. The person uses a large kitchen knife to slice the omelet into thin, uniform strips (julienne style). A package of what appears to be \"Fuzomame\" (fermented soybeans) and another yellow package are visible on the counter near the sink.\n\n120-180s: The person handles a small packet, possibly a seasoning or sauce, and then places the sliced omelet strips into a mesh strainer held over the sink. They appear to be preparing to rinse or drain the egg strips.\n\n180-240s: The person turns on the faucet and rinses the yellow egg strips under running water in the strainer. They shake the strainer gently to drain the water. This step likely cools the egg or removes excess oil.\n\n240-300s: After draining the egg, the person focuses on the salad preparation. They take leaves of green lettuce from a colander in the sink and tear them by hand into bite-sized pieces, placing them into a clear glass bowl.\n\n300-360s: The person picks up a dark green cucumber and places it on the white cutting board. Using the knife, they slice the cucumber diagonally into thin, half-moon shapes.\n\n360-420s: With the cucumber sliced, the person takes the mesh strainer containing the rinsed yellow egg strips and dumps them into the glass bowl on top of the torn lettuce.\n\n420-480s: Finally, the person gathers the sliced cucumber from the cutting board and adds it to the salad bowl. They use their hands to mix or arrange the ingredients in the bowl, completing the salad preparation. The sliced fresh omelet that was prepared earlier is also visible in the bowl, mixed with the greens.", "questions": [{"question": "Which food did I slice on the white cutting board after tearing the lettuce but before adding the egg strips to the bowl, and what shape were the pieces?", "options": ["A. the yellow omelet from the pan, cut into thin uniform strips", "B. the dark green cucumber, sliced diagonally into half-moon pieces", "C. the head of lettuce, torn into small bite-sized pieces", "D. the whole tomato from the sink, which stayed untouched"], "answer": "B", "evidence": "After tearing the lettuce, the person slices a dark green cucumber diagonally into half-moon shapes on the white cutting board, before dumping the egg strips into the bowl.", "timestamps": "240-300s, 300-360s, and 360-420s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "4fc31140-4766-49f9-9a7b-24c634641785", "description": "0-45s: The video opens with a first-person view of a cluttered workshop. On the wooden workbench, a silver disc brake rotor rests beside a white paper instruction sheet. A bicycle wheel with a black tire and \"MAVIC\" branding is on the floor. The person, wearing blue nitrile gloves, picks up the wheel and places it on the workbench. They then pick up the disc rotor and a small bottle of lubricant.\n\n45-120s: The person applies lubricant from the bottle to the center mounting interface of the disc rotor. After applying the lube, they use a purple cloth to wipe away any excess. Next, they carefully place the rotor onto the hub of the bicycle wheel, aligning the bolt holes. Using a screwdriver-like tool, they begin to thread in the bolts that secure the rotor to the wheel hub.\n\n120-180s: With the rotor loosely attached, the person uses an adjustable wrench to tighten the bolts in a star pattern to ensure even pressure. They then switch to a green-handled Allen key for final tightening. Once secured, they lift the completed wheel assembly off the workbench.\n\n180-300s: The person carries the wheel over to a bright green bicycle frame mounted on a blue \"Park Tool\" repair stand. They slide the wheel's axle into the rear dropouts of the frame. They proceed to install the cassette (gear cluster) onto the freehub body if it wasn't already there, and then secure the entire wheel by tightening the thru-axle or quick-release skewer using the green Allen key. They check that the wheel is properly seated and spins freely.\n\n300-360s: After confirming the rear wheel is secure, the person removes it from the bike again. They take it back towards the workbench area, placing it on the floor. This appears to be a repositioning or preparation for another task.\n\n360-420s: The focus shifts to the front of the bike. The person takes a new, matching green front fork and compares it to the old one still installed on the bike. They then remove the handlebars and stem assembly from the old fork. Using tools, they disassemble the headset and remove the old fork from the green bike frame.\n\n420-480s: With the old fork removed, the person prepares to install the new green fork. They insert the new fork's steerer tube into the head tube of the bike frame. They then reinstall the stem and handlebar assembly onto the new fork's steerer tube, aligning them correctly before beginning to tighten the clamp bolts with the green Allen key.", "questions": [{"question": "After I wiped the excess lubricant from the rotor with a purple cloth, what was the first job I completed using the green Allen key?", "options": ["A. Final tightening of the rotor bolts that secure the brake disc to the wheel hub", "B. Securing the rear wheel's thru-axle within the green bike frame dropouts", "C. Tightening the clamp bolts on the reinstalled handlebar and stem assembly", "D. Loosening the bolts that held the original front fork inside the head tube"], "answer": "A", "evidence": "purple cloth to wipe away any excess... switch to a green-handled Allen key for final tightening", "timestamps": "45-120s and 120-180s"}, {"question": "After I had secured the rear wheel with the thru-axle, I switched to the front of the bike and removed its old fork. What was the first thing I did with the new fork?", "options": ["A. Tightening its clamp bolts with the green Allen key to secure the stem", "B. Comparing its length against the old fork's steerer before mounting it", "C. Wiping its mounting surface with the purple cloth to remove excess lubricant", "D. Inserting its steerer tube down into the head tube of the green bike frame"], "answer": "D", "evidence": "secures the entire wheel by tightening the thru-axle... inserts the new fork's steerer tube into the head tube", "timestamps": "180-300s and 420-480s"}, {"question": "Which did I do first: install the cassette or remove the old fork, and which tool did I use earlier to attach the rotor to the hub?", "options": ["A. Removing the old fork first, using the adjustable wrench", "B. Installing the cassette first, using the green Allen key", "C. Installing the cassette first, using the screwdriver-like tool", "D. Removing the old fork first, using the purple cloth"], "answer": "C", "evidence": "They proceed to install the cassette (gear cluster) onto the freehub body. They disassemble the headset and remove the old fork from the green bike frame. Using a screwdriver-like tool, they begin to thread in the bolts.", "timestamps": "45-120s, 180-300s, and 360-420s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "482e4036-24ea-4528-9be1-0bd04a461766", "description": "0-25s: The video opens with a first-person view of a person in a green hoodie standing in a living room. On the coffee table, there is a white plate, a mug, and various other items. The person picks up the mug, which has a brown and white pattern, and takes a sip before placing it back on the table.\n\n25-45s: The person then moves to the kitchen area, where they pick up a white plate from the counter. They walk over to a red trash bin and dispose of some waste into it. Afterward, they return to the living room and place the plate on the floor.\n\n45-70s: Back in the living room, the person begins to tidy up the coffee table. They move a keyboard and mouse pad to one side and start wiping down the surface with a cloth. The table gradually becomes clearer as they remove various items.\n\n70-95s: The person continues cleaning the coffee table, using a spray bottle and a cloth to wipe it down thoroughly. Once the table is clean, they move on to the sofa, picking up a blue and white striped blanket and folding it neatly.\n\n95-120s: Next, the person tidies up the sofa by arranging the cushions and ensuring everything is in order. They then move to another part of the living room, where they begin cleaning a black round table. Using the same spray bottle and cloth, they wipe down the table's surface.\n\n120-145s: After cleaning the black table, the person returns to the kitchen. They open a cabinet and retrieve a sponge and dish soap. With these items, they start washing dishes in the sink, scrubbing each item carefully.\n\n145-170s: The person continues washing dishes, rinsing them under running water and placing them in a drying rack. They methodically work through the pile of dirty dishes, ensuring each one is cleaned properly.\n\n170-195s: Once the dishes are washed, the person dries their hands and begins organizing the kitchen. They put away the clean dishes in the cabinets and countertops, making sure everything is in its proper place.\n\n195-220s: The person then focuses on tidying up the kitchen counter, removing any clutter and wiping it down with a cloth. They ensure that all surfaces are clean and organized.\n\n220-245s: Moving back to the living room, the person continues to tidy up, picking up any remaining items and putting them away. They make sure the space is neat and orderly.\n\n245-270s: The person then sits down on the sofa, appearing to relax after completing their cleaning tasks. They take a moment to rest and enjoy the tidy environment they have created.\n\n270-295s: Finally, the person stands up and makes a few final adjustments to the living room, ensuring everything is perfect. They step back to admire their work, feeling satisfied with the results of their efforts.\n\n295-320s: The person then moves to the kitchen once more, checking to ensure everything is in order. They make any necessary adjustments and feel content with the cleanliness of the space.\n\n320-345s: Returning to the living room, the person takes a seat on the sofa again, this time settling in for a longer period of relaxation. They appear comfortable and at ease in the well-maintained environment.\n\n345-370s: The person remains seated on the sofa, enjoying their downtime. The living room is quiet and peaceful, reflecting the effort put into keeping it clean and organized.\n\n370-395s: As the video progresses, the person continues to relax on the sofa, occasionally shifting positions but remaining mostly stationary. The living room maintains its tidy appearance throughout.\n\n395-420s: The person stays on the sofa, taking deep breaths and appreciating the calm atmosphere. The living room remains a serene and inviting space.\n\n420-445s: The person continues to enjoy their time on the sofa, feeling relaxed and content. The living room's cleanliness contributes to the overall sense of peace and tranquility.\n\n445-470s: The person remains seated on the sofa, fully immersed in their relaxation. The living room's tidy state provides a comforting backdrop for their leisure time.\n\n470-480s: The video concludes with the person still on the sofa, looking completely at ease. The living room is a testament to their hard work, maintaining its clean and organized appearance until the end.", "questions": [{"question": "When I was arranging the sofa cushions, where was the mug I had sipped from earlier, and what did I do with the blue blanket just before that?", "options": ["A. On the coffee table, and folded it neatly", "B. On the coffee table, and draped it over the sofa", "C. In the kitchen sink, and folded it neatly", "D. In the kitchen sink, and draped it over the sofa"], "answer": "A", "evidence": "The mug was placed back on the coffee table at 0-25s. The blanket was folded at 70-95s, before arranging cushions at 95-120s.", "timestamps": "0-25s and 70-95s"}, {"question": "After I cleaned the black round table, I went to wash dishes. What had I done with the blue blanket before cleaning that table, and where did I put the dishes after rinsing them?", "options": ["A. Folded it, and placed them in the drying rack", "B. Folded it, and stacked them on the counter", "C. Spread it on the sofa, and placed them in the drying rack", "D. Spread it on the sofa, and stacked them on the counter"], "answer": "A", "evidence": "The blanket was folded at 70-95s, before cleaning the black table at 95-120s. After rinsing dishes at 145-170s, they were placed in the drying rack.", "timestamps": "70-95s and 145-170s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "5023ca5a-0744-4b79-8b9b-f06930824dc1", "description": "0-45s: The video begins with a first-person view of someone washing a stainless steel bowl in a sink. They use a green sponge to scrub the inside, then rinse it under running water from a chrome faucet. After rinsing, they place the clean bowl on a white wire dish rack above the sink. The camera then pans left, showing a glimpse of a room divider curtain before returning to the kitchen counter.\n\n45-135s: The person takes several dark green peppers out of a plastic bag and places them on a white cutting board next to the sink. They pick up a knife with a white handle that was hanging on a magnetic strip on the wall. One by one, they slice each pepper lengthwise down the middle. After slicing all the peppers, they begin to remove the seeds and white pith from the inside of each half over the sink, discarding the waste into a small clear plastic bag. Once cleaned, the hollowed-out pepper halves are arranged neatly on the cutting board.\n\n135-270s: With the peppers prepped, the person opens a large paper bag containing a white powder, likely flour or starch. Using their fingers, they take pinches of the powder and sprinkle it generously over the cut surfaces of the pepper halves, ensuring each one is lightly coated. This process is repeated until all the peppers on the board are dusted.\n\n270-360s: The person finishes coating the peppers and sets the bag of flour aside. They then move away from the sink area, opening a refrigerator door to put something away. Next, they open a low wooden cabinet under the counter, searching through its contents which include various packaged goods and containers. They appear to be looking for another ingredient or tool but do not retrieve anything immediately.\n\n360-480s: Returning to the prep station, the person removes a metal bowl containing raw ground meat from the fridge. They put on a disposable plastic glove on their right hand and begin mixing the meat in the bowl. They then open a small yellow box, possibly containing seasoning, and prepare to add it to the meat mixture, indicating the next step is stuffing the prepared peppers.", "questions": [{"question": "After I searched through the low wooden cabinet and found nothing, what did I do next?", "options": ["A. removed a metal bowl of raw ground meat from the refrigerator", "B. opened the refrigerator door to put something away", "C. sliced the dark green peppers lengthwise on the cutting board", "D. washed the stainless steel bowl with the green sponge"], "answer": "A", "evidence": "They open a low wooden cabinet ... do not retrieve anything immediately. Returning to the prep station, the person removes a metal bowl containing raw ground meat from the fridge.", "timestamps": "270-360s and 360-480s"}, {"question": "Before I opened the refrigerator to put something away, what had I sprinkled onto the cut surfaces of the peppers?", "options": ["A. the rinse water that ran from the chrome faucet over the bowl", "B. the white powder taken from the large paper bag in pinches", "C. the seeds and white pith scooped out over the sink", "D. the contents of the small yellow box opened near the meat"], "answer": "B", "evidence": "Using their fingers, they take pinches of the powder and sprinkle it generously over the cut surfaces of the pepper halves.", "timestamps": "135-270s and 270-360s"}, {"question": "Why did I put on a disposable plastic glove on my right hand after I had coated the peppers with powder?", "options": ["A. to wash the stainless steel bowl with the green sponge", "B. to remove the seeds and pith from the pepper halves", "C. to mix the raw ground meat in the metal bowl before adding the yellow box contents", "D. to open the low wooden cabinet and search for an ingredient"], "answer": "C", "evidence": "The person removes a metal bowl containing raw ground meat from the fridge. They put on a disposable plastic glove on their right hand and begin mixing the meat in the bowl.", "timestamps": "135-270s and 360-480s"}, {"question": "After I finished washing the stainless steel bowl, what did I first take out of the plastic bag, and what did I later take out of the refrigerator?", "options": ["A. a white-handled knife taken from the magnetic wall strip; a small clear plastic bag of seeds and pith", "B. a green sponge used to scrub the stainless steel bowl; a small yellow box set out with the meat", "C. a large paper bag holding white powder; a disposable plastic glove for the right hand", "D. several dark green peppers taken from the plastic bag; a metal bowl of raw ground meat"], "answer": "D", "evidence": "The person takes several dark green peppers out of a plastic bag ... removes a metal bowl containing raw ground meat from the fridge.", "timestamps": "0-45s, 45-135s, and 360-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "52b267e4-0557-4cbc-9ffc-b071cc4c75fa", "description": "0-45s: The video opens on a static shot of a commercial kitchen. A stainless steel table is dusted with flour, holding a metal bowl of flour and a blue-handled dough scraper. To the left is a large stand mixer, and to the right, a dough sheeter and a scale. The camera then moves erratically as the person walks towards the back of the room.\n\n45-120s: The person fills a clear plastic jug with water from a tap located next to a large industrial oven. They carry the jug over to a tall, multi-tiered rolling rack filled with baking trays. They remove a white cloth covering one tray, revealing shaped raw dough, then place another tray of unbaked goods onto the rack before covering it again.\n\n120-210s: The person begins loading various trays into the hot oven. First, they slide in a tray of small, round buns. Next, they load a tray with star-shaped and heart-shaped dough pieces. This is followed by a tray of larger, round dough balls. Finally, they use a long wooden peel to slide a tray containing six flatbreads topped with red sauce deep into the oven. After all trays are inside, they close the heavy oven door.\n\n210-300s: With the first batch baking, the person returns to the main workstation. They retrieve a large mass of proofed dough from a white plastic container and place it on the floured countertop. Using a bench scraper, they divide the dough into smaller portions. They then move to the dough sheeter, turn it on, and begin feeding the dough through the rollers, which flattens and cuts it into uniform strips.\n\n300-360s: The person gathers the freshly cut dough strips and arranges them neatly on the stainless steel counter. They take a baking tray lined with parchment paper and begin placing individual pieces of dough onto it. They then retrieve a clear plastic container filled with a yellow, granular topping (likely seeds or grains) and sprinkle it generously over each piece of dough on the tray.\n\n360-480s: The person covers the newly prepared tray of dough with a white cloth and places it on the rolling rack to proof. They then move to a different area, where they pick up a large, perforated metal tray that contains leftover crumbs and debris from a previous bake. They shake the tray to consolidate the debris, preparing to clean it, and place it on a lower shelf of the rolling rack before the video ends.", "questions": [{"question": "After I filled the plastic jug and covered a tray on the rack, I came back to the counter. What was the first thing I did with the proofed dough?", "options": ["A. Retrieved the proofed dough from a white plastic container", "B. Divided the proofed dough into smaller portions with a bench scraper", "C. Sprinkled yellow granular topping over pieces on a parchment-lined tray", "D. Fed the proofed dough through the rollers of the dough sheeter"], "answer": "A", "evidence": "They retrieve a large mass of proofed dough from a white plastic container and place it on the floured countertop.", "timestamps": "45-120s and 210-300s"}, {"question": "After I filled the plastic jug, I started loading the oven. Which tray did I put into the oven last before I closed the door?", "options": ["A. The tray of small round buns that I loaded into the oven", "B. The tray of star-shaped and heart-shaped dough pieces that I loaded into the oven", "C. The tray of six flatbreads topped with red sauce that I loaded into the oven", "D. The tray of larger round dough balls that I loaded into the oven"], "answer": "C", "evidence": "Finally, they use a long wooden peel to slide a tray containing six flatbreads topped with red sauce deep into the oven. After all trays are inside, they close the heavy oven door.", "timestamps": "45-120s and 120-210s"}, {"question": "After I loaded the flatbreads into the oven, I eventually covered a tray of dough to proof. Then I turned to a different area. What did I pick up, and what was my reason for handling it?", "options": ["A. A clear plastic jug; to fill it with water from the tap near the oven", "B. A perforated tray; to consolidate crumbs and debris from a previous bake", "C. A wooden peel; to slide the flatbreads deep into the oven", "D. A bench scraper; to divide the proofed dough into smaller portions"], "answer": "B", "evidence": "They then move to a different area, where they pick up a large, perforated metal tray that contains leftover crumbs and debris from a previous bake. They shake the tray to consolidate the debris, preparing to clean it.", "timestamps": "120-210s and 360-480s"}, {"question": "Earlier I removed a white cloth covering a tray. Much later, I picked up a different tray. What did I find on it?", "options": ["A. A tray of shaped raw dough that was sitting under a white cloth", "B. A tray of unbaked goods I had placed on the rolling rack earlier", "C. A tray of six flatbreads topped with red sauce inside the oven", "D. A tray holding leftover crumbs and debris from an earlier bake"], "answer": "D", "evidence": "They then move to a different area, where they pick up a large, perforated metal tray that contains leftover crumbs and debris from a previous bake.", "timestamps": "45-120s and 360-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "54529c00-a62b-48c8-ab84-3d44331c6f7f", "description": "0-15s: The video opens in a garage with a partially assembled black metal pipe frame sitting on the concrete floor. A person wearing blue jeans and yellow sneakers is adjusting the frame. In the foreground, cardboard boxes are laid out, one containing a long black pipe and another with a level tool labeled \"Empire\". The person then picks up a long wooden plank from behind the frame and places it across the top of the pipe structure.\n\n15-45s: The camera pans around the cluttered workshop, showing shelves filled with tools, supplies, and various items. A woman with blonde hair tied back walks into view and moves towards a workbench area. She then walks over to a set of wooden shelves packed with cans, bottles, and containers. She picks up a white spray can and examines it before placing it back. The camera follows her as she looks through the items on the shelves.\n\n45-90s: The camera shifts focus back to the man, who is now standing near the pipe frame and wooden plank. He bends down and appears to be working on something on the floor, possibly preparing materials or using a tool. He stands up and interacts with someone off-camera, gesturing with his hands. He then uses a yellow tape measure to measure the dimensions of the black pipe frame.\n\n90-135s: The man continues to measure different parts of the frame and the wooden plank, ensuring accurate dimensions for the project. He talks and gestures, likely discussing the measurements or next steps with the woman who is now standing nearby by a black car parked in the garage. The woman observes and occasionally responds. The man adjusts his safety glasses while continuing the conversation.\n\n135-180s: The man resumes working on the assembly. He measures the wooden plank again, marking it with a pencil. The woman remains by the car, watching. The man then kneels down and begins to attach components to the pipe frame, using tools to tighten connections. He carefully aligns pieces and secures them in place.\n\n180-225s: The man continues assembling the frame, focusing on connecting the pipes and fittings. He uses both hands to manipulate the parts, ensuring they fit correctly. The woman stays in the background, observing the progress. The man makes adjustments to the frame's structure, tightening bolts and checking stability.\n\n225-270s: The man works diligently on the lower section of the pipe frame, bending over to reach the connections near the floor. He uses a tool to secure the joints, making sure the frame is sturdy. The woman watches from a distance, occasionally shifting her position but remaining engaged with the activity.\n\n270-315s: The man completes several key connections on the frame, stepping back briefly to assess his work. He then returns to make final adjustments, ensuring all parts are properly aligned and tightened. The woman continues to observe, providing a passive presence in the scene.\n\n315-360s: The man finishes the main assembly of the pipe frame, which now has a more complete rectangular shape with crossbars. He inspects the structure, making minor tweaks to ensure everything is secure. The woman remains nearby, and the two appear to discuss the next phase of the project.\n\n360-405s: The man stands up and surveys the assembled frame, appearing satisfied with the progress. He engages in further conversation with the woman, possibly planning the subsequent steps involving the wooden plank. The garage environment remains consistent, with tools and materials scattered around the workspace.\n\n405-450s: The man prepares for the next stage of construction, gathering necessary tools and materials. He positions himself near the frame and the wooden plank, ready to proceed. The woman continues to watch, maintaining her role as an observer during this hands-on DIY project.\n\n450-480s: The man begins integrating the wooden plank into the pipe frame structure. He carefully places the plank onto the frame, aligning it precisely. He then secures the plank to the frame using appropriate fasteners, completing a significant portion of the assembly. The video concludes with the nearly finished product taking shape in the garage workshop.", "questions": [{"question": "Before the woman picked up the white spray can from the shelf, what was the man doing with the black pipe frame, and what did he do right after she returned the can?", "options": ["A. He was adjusting the frame on the floor, then he picked up a plank", "B. He was measuring the frame's width, then he talked to the woman", "C. He was attaching fittings to the frame, then he tightened bolts", "D. He was inspecting the frame, then he marked the wooden plank"], "answer": "A", "evidence": "The video opens with the man adjusting the frame. The woman examines a spray can and places it back. The man then picks up a wooden plank.", "timestamps": "0-15s and 15-45s"}, {"question": "Which of these events came first, and where was the woman when I marked the wooden plank with the pencil?", "options": ["A. I measured the pipe frame with the tape measure first; she stood near the workbench", "B. I adjusted my safety glasses first; she stood near the black car", "C. The woman picked up a white spray can first; she was by the black car", "D. I marked the wooden plank with a pencil first; she stood near the shelves"], "answer": "C", "evidence": "15-45s: the woman walks to the shelves, picks up a white spray can, examines it, and puts it back. 135-180s: I measure and mark the wooden plank with a pencil while the woman remains by the black car watching.", "timestamps": "15-45s and 135-180s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "51280df4-f4d1-4f45-9b05-13fc99a46ae5", "description": "0-45s: The video begins with a first-person view of a kitchen sink area. A person is washing dishes. They start by rinsing a metal bowl and a rectangular metal tray under running water from a chrome faucet. On the counter to the left, there are several items including an open orange juice carton with Japanese text \"\u30aa\u30ec\u30f3\u30b8\" (Orange), a glass bottle, and cleaning supplies. To the right is a dish rack filled with clean plates and bowls. After rinsing the initial items, the person places them on a white drying mat next to the sink.\n\n45-135s: The person continues washing, now focusing on a black, oval-shaped grill pan. They apply soap from a blue and white pump bottle onto a pink sponge and thoroughly scrub both sides of the pan, creating suds. Once scrubbed, they rinse the pan completely under the tap until all soap is gone. Next, they pick up a white plastic cutting board and a knife that were resting in the sink and begin to wash them with the same soapy pink sponge.\n\n135-225s: After washing the cutting board and knife, the person rinses them under the faucet. They then place the knife into the utensil section of the dish rack. The cleaned cutting board is also placed in the rack. The person then takes the freshly washed black grill pan, dries it with a white cloth, and sets it aside on the counter. Following this, they wash two small, white styrofoam trays, rinsing each one before placing them on the counter.\n\n225-315s: The person proceeds to wash smaller items. They rinse a silver beverage can and a small white ceramic bowl. After these are done, they take a yellow microfiber cloth, wet it, and wring it out. This signals a shift from washing dishes to cleaning surfaces. The person moves to the adjacent countertop and begins wiping down the white surface near the stovetop.\n\n315-405s: The focus shifts entirely to cleaning the cooking area. The person removes the pot and the cast iron grates from the black gas stovetop. Using the damp yellow cloth, they wipe down the entire surface of the stovetop, removing any spills or grease. They meticulously clean around the burner ports. After wiping the main surface, they use the cloth to clean the individual pot stands.\n\n405-480s: With the stovetop clean, the person returns to the sink for final cleanup tasks. They rinse the pink sponge and hang it over the faucet. They then remove the sink's drain stopper and strainer basket, rinsing them thoroughly to clear away food debris. Finally, they use the yellow cloth to wipe down the chrome faucet and the stainless steel basin of the sink itself, leaving the entire area clean and dry as the video concludes.", "questions": [{"question": "After I had washed greasy pans and dishes in the first part of the video, what was the first surface I wiped down after wringing out the yellow microfiber cloth?", "options": ["A. the black enameled surface of the gas stovetop with its burners", "B. the white countertop surface that runs beside the black gas stovetop", "C. the individual cast iron pot stands that sit over the stove burners", "D. the chrome faucet and the stainless steel basin of the kitchen sink"], "answer": "B", "evidence": "The person moves to the adjacent countertop and begins wiping down the white surface near the stovetop.", "timestamps": "45-225s and 225-315s"}, {"question": "After I wrung out the yellow microfiber cloth, which surface did I wipe first, and which two surfaces did I wipe last with that same cloth before the video ended?", "options": ["A. the black stovetop surface; the white countertop next to it", "B. the individual pot stands; the black stovetop surface", "C. the white countertop beside the stove; the chrome faucet and steel basin", "D. the white countertop beside the stove; the individual pot stands"], "answer": "C", "evidence": "The person moves to the adjacent countertop and begins wiping down the white surface near the stovetop. After wiping the main surface, they use the cloth to clean the individual pot stands. Finally, they use the yellow cloth to wipe down the chrome faucet and the stainless steel basin of the sink itself.", "timestamps": "225-315s and 405-480s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "522b72ce-f947-4cdb-8ebb-ebdfdbe6f04f", "description": "0-45s: The video begins with a first-person view of someone in a kitchen. They open an oven door, then move to a cluttered chair and pick up a brown paper bag. Next, they retrieve a head of lettuce wrapped in plastic from the fridge. After closing the fridge, they handle a red gift bag with \"GALAN\" written on it, placing it on a yellow chair next to a smartphone. They then sit down and begin folding a colorful reusable shopping bag.\n\n45-135s: The person stands up, walks towards a balcony door, and briefly looks outside before returning inside. They grab a broom with a red handle and start sweeping the terrazzo floor, moving around the room and under furniture like chairs and a table. A television is visible in the background, turned on.\n\n135-225s: The sweeping continues systematically across the entire floor area. The person maneuvers the broom carefully around obstacles, including a small cart filled with items and near the entrance to the balcony. They gather dust and debris into a pile.\n\n225-270s: Having collected the dirt, the person uses a red dustpan to scoop it up. They walk out onto the balcony and dispose of the contents into a bin. Returning inside, they place the broom and dustpan aside.\n\n270-360s: The focus shifts to cleaning the kitchen sink. The person washes several items: a metal grater, an orange colander, a white bowl, and a large red plate or cutting board. They use a sponge and running water, rinsing each item thoroughly before placing it in the other side of the double sink. Finally, they rinse their hands and wipe down the faucet and surrounding countertop area with a yellow cloth.\n\n360-480s: After finishing at the sink, the person picks up a remote control from the table. They then take a package of what appears to be pasta or noodles from the counter and put it away in an overhead cabinet. Walking out of the kitchen, they enter another room with wooden flooring, where toys are scattered on a child's bed. They briefly interact with the toys before moving into a bathroom. In the bathroom, they turn on the tap over a utility sink containing some clothes and cleaning supplies, preparing to do laundry or another washing task as the video ends.", "questions": [{"question": "Earlier I had taken a head of lettuce from the fridge; what did I do with the lettuce shortly after, and what was the first item I washed later at the sink?", "options": ["A. I placed the lettuce on the yellow chair, then washed a metal grater", "B. I put the lettuce in a red gift bag, then washed an orange colander", "C. I folded the lettuce into a shopping bag, then washed a white bowl", "D. I set the lettuce on the counter, then washed a large red plate"], "answer": "A", "evidence": "The person handles a head of lettuce after retrieving it, and later at the sink the sequence of washing items begins with a metal grater.", "timestamps": "0-45s (lettuce) and 270-360s (sink washing)"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "507e4a9c-87cc-4c24-a571-924c2ce9e16a", "description": "0-45s: The video begins with a person in a kitchen, standing before a sink and stove. A brown frying pan containing two pieces of bread is already heating on the electric stovetop. The person retrieves an egg from a white plastic bag and cracks it into a dark-colored bowl placed in the stainless steel sink. They then crack a second egg into the same bowl. After discarding the shells into the bag, they turn on the faucet to wash their hands.\n\n45-120s: The person moves to a small white refrigerator, opens the door, and places the plastic bag inside. Returning to the sink area, they pick up chopsticks and begin whisking the eggs in the bowl. While the eggs are being beaten, the person uses their left hand to flip the two slices of bread cooking in the hot pan. Once the eggs are thoroughly mixed, they set the bowl down and retrieve a white plate with a black rim from a drawer under the counter.\n\n120-180s: The person takes a sheet of paper towel and sprays it with a cleaning solution from a clear bottle with a red label, which was sitting on top of the refrigerator. They proceed to wipe down the wall behind the stove and the side of the range hood, cleaning the cooking area while the bread continues to toast.\n\n180-240s: After cleaning, the person returns their attention to the food. They use their fingers to remove the toasted bread from the pan and place it onto the white plate. The empty pan remains on the stove. The person then goes back to the refrigerator, opens it, and takes out a small, round container of butter. They open a drawer to get a knife, scoop some butter from the container, and spread it into the hot pan, where it quickly melts.\n\n240-315s: With the butter melted and sizzling in the pan, the person picks up the bowl of whisked eggs. They pour the liquid egg mixture into the pan. Using the chopsticks, they immediately begin stirring and folding the eggs as they cook, gradually forming them into a soft, folded omelet shape.\n\n315-420s: Once the omelet is cooked to their liking, the person carefully slides it from the pan onto the plate next to the toast. They then take the ketchup bottle from the fridge and squeeze a decorative pattern over the omelet. Finally, the meal is complete. The person turns off the stove, places the used pan and bowl into the sink, and the video concludes.", "questions": [{"question": "I used chopsticks to whisk the eggs, and later I used them again for a different purpose. What was that later purpose?", "options": ["A. to flip the bread slices in the pan", "B. to whisk the eggs in the bowl", "C. to fold the omelet as it cooked", "D. to lift the toasted bread off the pan"], "answer": "C", "evidence": "Using the chopsticks, they immediately begin stirring and folding the eggs as they cook.", "timestamps": "45-120s and 240-315s"}, {"question": "Immediately after I placed the plastic bag in the refrigerator, I did one action, and immediately after I removed the toasted bread from the pan, I did another. What were those two actions?", "options": ["A. flipped the bread and cleaned the wall", "B. whisked the eggs and took out the butter", "C. got a plate and poured the eggs", "D. washed my hands and turned off the stove"], "answer": "B", "evidence": "Returning to the sink area, they pick up chopsticks and begin whisking the eggs. The person then goes back to the refrigerator, opens it, and takes out a small, round container of butter.", "timestamps": "45-120s and 180-240s"}, {"question": "Earlier I used a paper towel to wipe the wall. Later, what did I use to lift the toasted bread from the pan?", "options": ["A. the damp paper towel left over from wiping the kitchen wall", "B. the small butter knife that I had used to spread the butter", "C. the pair of wooden chopsticks that I used to whisk the eggs", "D. my fingers carefully gripping the edges of the toasted bread"], "answer": "D", "evidence": "They use their fingers to remove the toasted bread from the pan.", "timestamps": "120-180s and 180-240s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "503d4a8a-6e4b-4286-8be5-33ffb5b7cdbd", "description": "**0-50s:** The video begins with the person holding a clear plastic bag containing green vegetables (likely asparagus or similar long greens) over a white cutting board. They briefly open the refrigerator door to the right, reaching inside, then close it. Returning to the sink, they rinse a small metal bowl under the tap. Back at the counter, they take the greens out of the bag and place them into the metal bowl. They sprinkle a white seasoning (possibly salt or sugar) from a shaker onto the greens and toss them inside the bag/bowl to coat.\n\n**50-100s:** The person moves to a white cabinet with glass doors, opens it, and retrieves two small plates with blue floral patterns. They place these plates on the counter near the stove. They then check a pot simmering on the stove, lifting the lid slightly. Grabbing a pair of wooden chopsticks from a holder near the sink, they stir the contents of the pot, which appears to be a soup with yellow/orange chunks (possibly pumpkin or potatoes).\n\n**100-150s:** Attention shifts to the cutting board where rectangular blocks of fried tofu (aburaage) are placed. Using a large chef's knife, the person slices the tofu into smaller pieces. They transfer the cut tofu onto the two plates prepared earlier. A package of raw meat (chicken) is visible on the cutting board next to the tofu remnants.\n\n**150-200s:** The person opens the refrigerator and takes out a bottle of dark liquid (likely soy sauce or a marinade). They open an upper wooden cabinet and take out a small brown bowl. They pour the dark liquid into the bowl, then rinse a small metal measuring cup in the sink. After placing the sauce bottle back in the fridge, they pour cooking oil from a bottle into a frying pan on the stove and cover it with a lid to heat.\n\n**200-250s:** The person goes back to the refrigerator and retrieves a carton of eggs. They take several eggs out and place them on the counter. They appear to be organizing the eggs, moving the carton back into the fridge door shelf and adjusting the bottles around it.\n\n**250-300s:** Returning to the counter, the person picks up the package of raw chicken. Using scissors, they cut open the vacuum-sealed packaging. They remove the chicken pieces and place them on the cutting board. They briefly check the frying pan on the stove, lifting the lid to check the oil temperature.\n\n**300-350s:** The person adds a bowl of sliced white onions into the hot oil in the frying pan. They use chopsticks to stir-fry the onions, spreading them out in the pan. After a moment, they set the chopsticks down and pick up the raw chicken pieces from the cutting board.\n\n**350-410s:** Using the chef's knife, the person begins cutting the raw chicken into bite-sized strips and chunks on the cutting board. They work methodically, slicing through the meat. Once finished, they gather the cut chicken.\n\n**410-450s:** The person takes the knife and their hands to the sink to wash them thoroughly. They discard the empty chicken packaging into a bin nearby. After drying their hands, they return to the stove and stir the onions in the pan again with chopsticks. They place a wire strainer into the sink.\n\n**450-480s:** The final segment shows the person checking the simmering soup pot again. They lift the lid and stir the contents with a ladle or spoon, ensuring it is cooking properly. The video ends with the soup still simmering on the stove.", "questions": [{"question": "Before I moved the cut tofu onto the two floral plates, which of these had I already done?", "options": ["A. Sprinkled white seasoning from a shaker over the greens", "B. Poured cooking oil into a frying pan and covered it with a lid", "C. Cut open the vacuum-sealed chicken package using scissors", "D. Added sliced white onions to the hot oil in the frying pan"], "answer": "A", "evidence": "0-50s: I sprinkled white seasoning from a shaker onto the greens. 100-150s: I sliced the fried tofu and transferred it onto the two plates.", "timestamps": "0-50s and 100-150s"}, {"question": "After I used the wooden chopsticks to stir the simmering soup, what was the next thing I did with those same chopsticks much later?", "options": ["A. Stirred the simmering soup pot again near the end", "B. Lifted the frying pan lid to check the oil temperature", "C. Stir-fried sliced white onions in the frying pan", "D. Stirred the onions in the pan again after washing my hands"], "answer": "C", "evidence": "50-100s: I stirred the soup with wooden chopsticks. 300-350s: I used chopsticks to stir-fry the sliced white onions in the frying pan.", "timestamps": "50-100s and 300-350s"}, {"question": "After I placed the two blue floral plates on the counter, which item did I take out of the refrigerator before I poured cooking oil into a frying pan?", "options": ["A. A carton of eggs that I moved back to the fridge door shelf", "B. A dark liquid bottle that I later poured into a small brown bowl", "C. A vacuum-sealed package of raw chicken that I cut open with scissors", "D. A clear plastic bag of green vegetables that I seasoned in a metal bowl"], "answer": "B", "evidence": "50-100s: I placed the blue floral plates on the counter. 150-200s: I took a dark liquid bottle from the fridge, poured it into a small brown bowl, then poured cooking oil into a frying pan.", "timestamps": "50-100s and 150-200s"}, {"question": "Before I added the sliced white onions to the hot oil, which two things had I already done with the raw chicken?", "options": ["A. Sliced it into bite-sized strips and washed the chef's knife in the sink", "B. Gathered the cut pieces together and discarded the empty chicken packaging", "C. Picked up the raw chicken pieces from the cutting board and cut them into strips", "D. Cut open its vacuum-sealed package with scissors and placed the pieces on the cutting board"], "answer": "D", "evidence": "250-300s: I cut open the chicken package with scissors and placed the pieces on the cutting board. 300-350s: I added the sliced white onions to the hot oil.", "timestamps": "250-300s and 300-350s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "50028c7d-9580-496d-b0ae-0e4747ebda86", "description": "0-45s: The video begins inside a tent, showing the interior with various camping gear. A person is seen handling items within the tent, including a red and black backpack and other equipment. The scene then transitions to an outdoor setting where a silver car is parked on a dirt road in a desert-like environment with sparse vegetation and distant hills.\n\n45-90s: The camera focuses on the silver car, providing a closer view of its exterior. The car appears stationary, and the surrounding landscape remains consistent with the previous scene. The camera angle shifts slightly, offering different perspectives of the car and its surroundings.\n\n90-135s: The scene changes to show the trunk of the silver car open, revealing various items packed inside, including bags and possibly camping gear. The camera captures the details of the contents, emphasizing the preparation for an outdoor activity or trip. The background shows a rocky terrain, indicating a remote location.\n\n135-180s: The focus shifts to a group of people gathered around a blue pickup truck in the same rocky, desert-like environment. One individual is seen holding a large rock, while others stand nearby, engaged in conversation or observing the surroundings. The truck's bed contains additional items, suggesting they are preparing for an outdoor adventure or expedition.\n\n180-225s: The scene continues with the group near the blue pickup truck. They appear to be organizing or inspecting their gear, with one person handling a large rock. The rocky terrain and sparse vegetation remain prominent in the background, reinforcing the remote and rugged setting.\n\n225-270s: The video shows a close-up of a person's hands as they begin to set up a tent. The individual is carefully unfolding and spreading out the tent fabric on the ground. The surrounding area is sandy with some dry grass, consistent with the earlier scenes. The person methodically prepares the tent, ensuring it is properly laid out before proceeding with further steps.\n\n270-315s: The scene progresses with the person continuing to set up the tent. They are now attaching poles to the tent structure, inserting them into designated slots to provide support. The individual works diligently, ensuring each pole is securely in place. The sandy ground and dry grass remain visible, maintaining the context of the outdoor setting.\n\n315-360s: The person completes the initial setup of the tent by securing the poles and adjusting the fabric. They then proceed to stake down the tent, using metal stakes to anchor it firmly to the ground. The individual ensures the tent is stable and secure, demonstrating careful attention to detail. The surrounding environment remains unchanged, with the sandy ground and dry grass providing a consistent backdrop.\n\n360-405s: The scene shifts to show the person packing up the tent. They begin by removing the stakes and collapsing the tent structure. The individual carefully folds the tent fabric, ensuring it is neatly packed. The sandy ground and dry grass continue to be visible, maintaining the outdoor setting. The person's actions are deliberate and methodical, indicating a systematic approach to packing up the campsite.\n\n405-450s: The person finishes packing the tent and places it into a storage bag. They then walk towards the blue pickup truck, carrying the packed tent. The surrounding environment remains consistent, with the sandy ground and dry grass still present. The person approaches the truck, likely preparing to load the tent and other gear for transport.\n\n450-480s: The final scene shows the person loading the packed tent into the back of the blue pickup truck. They carefully place the tent among other items already loaded in the truck bed. The surrounding rocky terrain and sparse vegetation are still visible, confirming the remote location. The person completes the task, ensuring all gear is securely stored in the truck, ready for departure.", "questions": [{"question": "Earlier I had seen the silver car parked on the dirt road. Later, before I began setting up the tent, what was I doing while the other people stood nearby?", "options": ["A. looking into the open trunk of the silver car with the camping gear", "B. handling the red and black backpack inside the tent at the start", "C. holding a large rock near the blue pickup truck with the others", "D. standing beside the silver car parked on the dirt road in the desert"], "answer": "C", "evidence": "The focus shifts to a group of people gathered around a blue pickup truck. One individual is seen holding a large rock, while others stand nearby.", "timestamps": "45-90s and 135-180s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "55de7fd1-5b0f-4c5c-aba4-b5afc2b5a346", "description": "0-45s: The video opens on a lime green bicycle frame mounted on a blue Park Tool repair stand in a workshop. A person's hand reaches down and picks up a front wheel with a black tire and silver rim, which has \"MACH1\" written on it. They then pick up the fork, also lime green, and place it into the hub of the wheel, preparing for assembly.\n\n45-90s: The person moves to a workbench area. On the bench are various tools, an orange plastic bag, and a white helmet. They take out a new Shimano disc brake rotor from its packaging. After putting on blue nitrile gloves, they begin unpacking other components, including pedals and a chain, laying them out on the wooden workbench.\n\n90-135s: With all the parts laid out, the person takes the new disc brake rotor and compares it to an older one already on the table. They then move back to the front wheel, which is now lying on the floor with the fork attached. Using a small Allen key, they tighten the quick-release skewer to secure the wheel within the fork dropouts.\n\n135-180s: The person lifts the assembled front wheel and places it on the workbench. They proceed to install the new disc brake rotor onto the wheel's hub. Using a torque wrench and a screwdriver as a counter-hold, they carefully tighten the six bolts that secure the rotor to the hub, ensuring it is properly fastened.\n\n180-225s: After securing the first rotor, the person cleans their gloved hands with a wipe. They then pick up the second, older rotor and begin disassembling it using the same torque wrench and screwdriver technique, loosening and removing the bolts to separate the rotor from its center lock ring or adapter.", "questions": [{"question": "After I attached the lime green fork to the front wheel's hub, what was the last thing I did to that wheel before lifting it onto the workbench?", "options": ["A. I tightened the quick-release skewer with a small Allen key.", "B. I installed the new disc brake rotor onto the wheel's hub.", "C. I compared the new rotor to the older one on the wooden bench.", "D. I cleaned my gloved hands with a wipe from the orange bag."], "answer": "A", "evidence": "Using a small Allen key, they tighten the quick-release skewer to secure the wheel within the fork dropouts.", "timestamps": "0-45s and 90-135s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "560e7327-70fe-435e-8f57-5e4f8c56dd6b", "description": "0-60s: The video begins at a kitchen sink where a person is washing a cluster of white mushrooms (likely shimeji) in a metal mesh colander under running water. To the right, on the stainless steel counter, sits a white rice cooker, several bottles of condiments (soy sauce, oil), and a plastic tray containing raw salmon fillets. After rinsing, the person transfers the mushrooms from the colander into a small, rectangular metal pan resting on a portable gas stove burner.\n\n60-120s: The person ignites the portable gas stove, producing a visible blue flame, and places the rectangular pan with the mushrooms onto the heat to cook. Following this, they grab a sheet of paper towel and wipe down the countertop surface near the sink, cleaning up any stray bits of food or moisture.\n\n120-180s: Attention shifts to salad preparation. The person retrieves a head of light green cabbage or lettuce from a plastic bag near the sink. They tear off individual leaves by hand and place them into a large metal mesh bowl situated on the counter next to a white cutting board.\n\n180-240s: Using a knife on the cutting board, the person slices a green cucumber into rounds. They transfer these slices into the metal bowl with the lettuce. Immediately after, they slice a red tomato into wedges and add them to the same bowl, combining the vegetables.\n\n240-300s: The person prepares an avocado. They cut it open, remove the pit, peel the skin, and slice the green flesh into chunks on the cutting board. These avocado slices are then added to the metal bowl, completing the vegetable mix.\n\n300-360s: The person checks on the cooking mushrooms on the portable stove. They also handle the package of raw salmon, appearing to inspect it or move it slightly. The camera briefly pans right to show a black induction cooktop with a pot on it.\n\n360-420s: The camera pans away from the kitchen to reveal a cluttered dining table and living area in the background, filled with various household items. Returning to the kitchen, the person handles a white plate holding two cooked, brown, round patties (resembling hamburger steaks), adjusting their position on the plate.\n\n420-480s: The final segment focuses on cleanup. The person takes a black frying pan from the sink area, rinses it thoroughly under the tap, and places it into the wire dish drying rack on the left side of the sink. The video concludes with the person finishing the washing process.", "questions": [{"question": "Earlier I had washed the mushrooms in a colander. Later, after I had added the avocado to the salad, what did I do with the mushrooms?", "options": ["A. I checked on the mushrooms cooking on the portable stove.", "B. I added the mushrooms to the salad bowl with other vegetables.", "C. I placed the mushrooms in the wire drying rack after rinsing.", "D. I wrapped the mushrooms in a paper towel to dry them."], "answer": "A", "evidence": "0-60s: washes mushrooms; 300-360s: checks on cooking mushrooms", "timestamps": "0-60s and 300-360s"}, {"question": "Earlier I had washed the mushrooms. Later, after I added the tomato to the salad, what did I add next, and what did I do with the mushrooms after that?", "options": ["A. I added cucumber rounds to the salad, and I placed the mushrooms in the drying rack.", "B. I added avocado slices to the salad, and I checked on the mushrooms on the stove.", "C. I added lettuce leaves to the salad, and I added the mushrooms to the salad.", "D. I added tomato wedges to the salad, and I left the mushrooms on the stove."], "answer": "B", "evidence": "0-60s: washes mushrooms; 180-240s: adds tomato; 240-300s: adds avocado; 300-360s: checks on mushrooms", "timestamps": "0-60s, 180-240s, 240-300s, 300-360s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "569cb238-04cd-4bc3-9500-705f1cac218d", "description": "0-25s: The video begins with a first-person view of a person washing a white, cylindrical root vegetable (likely a daikon radish) under running water in a stainless steel kitchen sink. After rinsing it, the person places the vegetable on a white cutting board to the right of the sink and picks up a knife.\n\n25-115s: Using a white-handled peeler, the person systematically removes the skin from the radish over the cutting board. Once peeled, they use the knife to slice off both ends of the radish. They then proceed to cut the main body of the radish into thick, round slices, followed by cutting those rounds into smaller, bite-sized chunks. The discarded peels and ends are left on the board for now.\n\n115-160s: The person gathers the radish scraps and places them in the sink. They then take a piece of the green top that was previously cut off and chop it into small pieces. A box of plastic wrap is opened, and a sheet is torn off. The chopped greens are placed onto the plastic wrap, which is then folded around them to create a small bundle.\n\n160-215s: The camera pans away from the sink area to show a microwave oven. The person opens the microwave door, places the wrapped bundle of greens inside, closes the door, and sets the timer. The camera then returns to the prep area. The person takes a small black plate from a dish rack above the sink and transfers some of the sliced radish chunks onto it before placing the rest back on the cutting board.\n\n215-270s: The person moves to a refrigerator, opens the freezer compartment, and retrieves a styrofoam tray containing thinly sliced raw meat (pork or beef). Back at the counter, they open the package and lay the meat strips out on the cutting board next to the remaining radish. They then begin to cut the meat into shorter, more manageable lengths.\n\n270-340s: With all ingredients prepped, the person turns their attention to cooking. They pick up a bottle of cooking oil and pour a small amount into a black frying pan already positioned on the gas stove. They then turn the knob to ignite the burner, and a blue flame appears under the pan.\n\n340-480s: The person takes the small black plate holding the radish chunks and tips them into the hot, oiled pan. They immediately reach for a pair of wooden chopsticks from a nearby drawer and begin to stir-fry the radish, moving the pieces around the pan to ensure even cooking. The video concludes as they continue to cook the radish.", "questions": [{"question": "When I tipped the small black plate into the hot frying pan, what was happening to the radish chunks that were not on the plate?", "options": ["A. They were already in the hot frying pan being stir-fried in oil", "B. They were wrapped in plastic and heating inside the microwave", "C. They were still sitting on the white cutting board next to the cut meat strips", "D. They were scraped into the sink along with the peels and ends"], "answer": "C", "evidence": "The person transfers some sliced radish chunks onto the small black plate and places the rest back on the cutting board; later they tip the plate into the hot oiled pan.", "timestamps": "160-215s and 340-480s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "56cd8915-9d50-458f-af05-c6f82c82de91", "description": "0-48s: The video begins with a blurry, unstable shot that quickly resolves to a first-person view of a mechanic working on an orange Husqvarna riding lawnmower elevated on a red hydraulic lift. The mechanic holds a black rubber drive belt. With assistance from a second person whose hands are visible, the mechanic routes the belt around the pulleys located underneath the mower deck. A black plastic cover with a yellow warning sticker featuring safety symbols is visible. The belt is maneuvered from a loose state to being threaded through the pulley system.\n\n48-96s: With the belt routed, the mechanic focuses on the black plastic discharge chute attached to the side of the mower deck. The chute is initially detached or loosely held. The mechanic aligns the chute with the mounting brackets on the deck. They manipulate the chute, ensuring the bolt holes line up. The mechanic inserts hardware to secure the chute, transitioning it from a loose component to a partially attached state.\n\n96-144s: The mechanic proceeds to clean the interior of the discharge chute. They reach inside the black plastic housing and pull out large handfuls of dried, green grass clippings. The chute transitions from being filled with debris to being relatively empty. This cleaning action is thorough, clearing out accumulated material to ensure proper airflow and discharge.\n\n144-192s: After cleaning, the mechanic fully secures the discharge chute. They align the chute precisely with the deck and begin tightening the bolts by hand. The chute is now firmly attached to the mower deck. The mechanic checks the alignment and ensures all connection points are secure.\n\n192-240s: The mechanic uses a power tool, likely an impact driver or ratchet, to tighten the bolts on the discharge chute securely. They then inspect the belt routing one last time. Following this, the mechanic prepares to clean the underside of the mower deck itself. They pick up a metal scraper tool.\n\n240-288s: The mechanic begins scraping the underside of the orange mower deck. Caked-on grass and debris are scraped off the metal surface. The debris falls onto the lift platform and the floor below. The mechanic moves around the deck to access different areas, removing significant buildup.\n\n288-336s: The mechanic walks away from the mower towards a black tool chest located nearby. They open a drawer and retrieve another tool, possibly a different scraper or a brush. They return to the mower with the new tool in hand.\n\n336-384s: Resuming the cleaning process, the mechanic uses the new tool to scrape remaining stubborn debris from the underside of the deck. They work methodically around the blades and deck surface. The deck becomes visibly cleaner as the green residue is removed.\n\n384-432s: The mechanic continues to scrape and pull loose debris from the deck underside. They use their hands to clear away larger chunks of grass that have been loosened. The focus remains on ensuring the deck is free of obstructions.\n\n432-480s: In the final segment, the mechanic performs final scraping passes to ensure the deck is clean. They inspect their work, checking that no debris remains. The video concludes with the mechanic stepping back, showing the cleaned deck and the surrounding workshop environment, which includes shelves of parts and other equipment.", "questions": [{"question": "After I routed the drive belt around the pulleys, which task did I complete first on the discharge chute, and which task did I complete last before I started scraping the underside of the mower deck?", "options": ["A. Align the chute to its mounting brackets, then tighten its bolts with a power tool", "B. Clean dried grass out from inside the chute, then inspect the belt routing one last time", "C. Align the chute to its mounting brackets, then inspect the belt routing one last time", "D. Hand-tighten the chute's mounting bolts, then clear loose chunks with my hands"], "answer": "C", "evidence": "With the belt routed, the mechanic focuses on the black plastic discharge chute... The mechanic aligns the chute with the mounting brackets... After cleaning, the mechanic fully secures the discharge chute... The mechanic uses a power tool to tighten the bolts... They then inspect the belt routing one last time. Following this, the mechanic prepares to clean the underside of the mower deck.", "timestamps": "0-48s (routing), 48-96s (aligning), 192-240s (inspection)"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "5b58e0e4-2247-4104-bbbc-1cbbdf574cd0", "description": "0-15s: The video begins with a first-person view of a cluttered living space. A black leather couch is central, with a white laptop on a stand beside it. To the left, a large TV sits on a black media console under a \"BUD LIGHT\" flag. The camera pans around, showing an unmade bed to the right before moving into a dark hallway and then back into the main room.\n\n15-45s: The person walks out of the bedroom area, past the couch where a pair of socks are now visible, and enters a bathroom. After a brief moment inside, they exit and return to the living room, which remains in a state of disarray with clothes scattered on the couch and floor.\n\n45-90s: The person approaches the television and turns it on. The screen displays a Netflix menu, highlighting the show \"TIGER KING\". They navigate the menu and select the show, which begins to play. While the TV is on, the person starts tidying up, picking up various articles of clothing from the couch and floor.\n\n90-180s: With the TV playing in the background, the person continues to fold laundry. They pick up items like jeans and shirts from the couch, fold them, and place them aside. The camera frequently shifts between the task at hand and the program playing on the television.\n\n180-270s: The activity of folding clothes persists. The person gathers more garments from the messy couch and surrounding areas. The scenes on the TV continue to change, indicating the passage of time as they work. The room's lighting remains consistent, primarily from the window and overhead light.\n\n270-360s: The person carries on with their chore, methodically sorting through the pile of clothes. They move around the small apartment, collecting items from different spots. The TV serves as a constant backdrop to the ongoing activity of cleaning and organizing the living space.\n\n360-480s: In the final segment, the person finishes folding the last few pieces of clothing. They make a final pass through the area, ensuring the immediate vicinity is tidy. The video concludes with a view of the now-neater couch and the TV still on, having completed the task of putting away the laundry.", "questions": [{"question": "Immediately before I turned on the television, what was I doing?", "options": ["A. I was folding a shirt from the couch into a neat pile of laundry.", "B. I was entering the bathroom for the first time in the video.", "C. I was returning from the bathroom to the living room to start the task.", "D. I was picking up a pair of jeans from the floor to fold them later."], "answer": "C", "evidence": "15-45s: The person exits the bathroom and returns to the living room. 45-90s: The person turns on the TV.", "timestamps": "15-45s and 45-90s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "59dc8ec5-5a74-419c-bbd0-60685975da52", "description": "0-48s: The video begins with a blurry, fast-moving shot panning across a room with dark flooring, passing a white shelving unit and exercise equipment including a yellow stability ball and a weight bench. The camera stabilizes at a window-side coffee station. A black Mr. Coffee machine sits on a white surface with its lid open. A person's hand places a brown paper filter into the machine's basket. A bag of Starbucks coffee is visible nearby.\n\n48-96s: The person uses a scoop to transfer coffee grounds from the bag into the filter inside the coffee maker. Once filled, they close the black plastic lid of the machine. Two teal-colored ceramic mugs are placed on the counter next to the coffee maker. Nearby items include a container of sugar, a cup of wooden stirrers, and cleaning supplies on the windowsill.\n\n96-192s: The camera focuses on a woman with blonde hair tied back, wearing dark sunglasses, a grey camouflage hoodie, and a green lanyard with \"Business\" printed on it. She stands by the coffee station, talking and smiling while the coffee brews. Steam or light is visible inside the machine as it operates. She gestures towards the machine and the mugs.\n\n192-240s: The brewing cycle completes. The woman lifts the glass carafe from the hot plate. She pours dark coffee into one of the teal mugs. After pouring, she places the carafe back onto the warming plate of the Mr. Coffee machine.\n\n240-288s: The woman picks up one of the teal mugs filled with coffee. She turns and walks away from the window area, moving through an office space with exposed ceiling pipes and fluorescent lights. The camera follows her movement.\n\n288-336s: She arrives at a living area featuring a white sofa with red throw pillows and a low white coffee table on a patterned rug. She places a red box labeled \"Jenga\" onto the table. She opens the box and prepares to set up the game.\n\n336-384s: The woman dumps the wooden Jenga blocks out of the box onto the white coffee table. The blocks scatter across the surface. She begins gathering the blocks and starting to stack them into a tower formation.\n\n384-432s: She continues to build the Jenga tower, carefully placing wooden blocks in alternating perpendicular layers. Another person's hands (presumably the camera operator) enter the frame to assist with stacking the blocks. The tower grows taller, reaching about six or seven levels high.\n\n432-480s: The tower is mostly complete. The woman holds up the empty red Jenga box briefly before setting it aside. She makes final adjustments to the top of the block tower. The video concludes with the completed Jenga tower standing on the coffee table next to a small potted plant and a smartphone.", "questions": [{"question": "After I poured the coffee, I later dumped wooden blocks from a red box. What did I do with the empty red box after that, and what was the last thing I did at the coffee station before leaving?", "options": ["A. held it up and set it aside, and placed the carafe back on the warming plate", "B. held it up and set it aside, and closed the black plastic lid", "C. placed it on the table, and placed the carafe back on the warming plate", "D. placed it on the table, and closed the black plastic lid"], "answer": "A", "evidence": "The woman holds up the empty red Jenga box and sets it aside. After pouring the coffee, she places the carafe back onto the warming plate.", "timestamps": "432-480s and 192-240s"}, {"question": "Earlier I placed a paper filter in the coffee maker. Later I moved the Jenga game to the living room. What was the last thing I did with the red box before the video ended, and what did I place on the table before opening it?", "options": ["A. held the empty box up, and placed the red box on the table", "B. held the empty box up, and dumped the wooden blocks onto the table", "C. opened the box lid, and placed the red box on the table", "D. opened the box lid, and dumped the wooden blocks onto the table"], "answer": "A", "evidence": "The woman holds up the empty red Jenga box before setting it aside. She places the red box labeled 'Jenga' onto the table before opening it.", "timestamps": "432-480s and 288-336s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "5a93f209-59d4-4950-80d2-c8e43cc2fe7f", "description": "0-45s: The video begins with a first-person view of someone wearing blue gloves in a storage area filled with large paper sacks of flour. They use a white scoop to take flour from an open sack labeled \"LA SPINA GIUSEPPE\" and pour it into a large, white plastic bucket. After scooping several times, they lift the heavy bucket by its metal handle.\n\n45-90s: The person carries the bucket of flour across the tiled floor of the bakery to a stainless steel workstation. They place the bucket onto a digital scale to weigh the contents. To their right, on the counter, is a long piece of dough resting under a cloth. After checking the weight, they move away from the station.\n\n90-135s: The camera pans across the bakery, showing a large industrial spiral mixer with dough inside, racks for baking trays, and other equipment. The person walks over to the mixer, which has finished kneading. They reach in with both gloved hands and pull out a large, cohesive ball of dough. They then transfer this dough into a blue plastic bowl on the floor and cover it with a colorful patchwork cloth.\n\n135-180s: Returning to the weighing station, the person adjusts the scale. They then go back to the now-empty white bucket, pick up a smaller portion of dough that was left inside, and add it to another container. They carry the empty bucket back towards the flour storage area.\n\n180-225s: At the sink, the person rinses the white bucket and a clear plastic measuring jug. They return to the industrial mixer, turn it on, and begin adding ingredients. They pour water from the clear jug into the mixing bowl while the machine runs.\n\n225-270s: The person moves to a large, multi-deck oven. Using a long-handled peel (a flat paddle), they clean debris from the oven's entrance. They then check a small digital timer or thermometer attached to the side of the oven before returning the peel to its resting place.\n\n270-315s: Back in the flour storage area, the person opens a new sack of flour with a red label that reads \"Maiorca.\" They use a yellow scoop to transfer more flour into the white bucket, preparing another batch. They also scoop a white crystalline substance, likely salt or sugar, from a different bag into a purple cup.\n\n315-360s: The person takes the yellow scoop containing the white powder to the weighing station. They place the scoop on the scale, tare it, and then add more of the white powder from the purple cup until the desired weight is reached. They then walk over to the running mixer and pour the measured powder into the dough.\n\n360-405s: After adding the dry ingredient, the person pours more water from a clear jug into the mixer. They then go to the sink to rinse the jugs again. The camera shows them walking past the proofing racks, which are filled with trays of shaped dough ready for baking.\n\n405-450s: The person returns to the blue bowl covered with the patchwork cloth. They remove the cloth and plastic wrap, revealing the risen dough. They then re-cover the bowl securely with the plastic wrap and the cloth, placing it on the floor to continue proofing.\n\n450-480s: In the final sequence, the person tidies the workspace. They wipe down the stainless steel surface near the oven with a cloth. They then move a rolling rack holding several empty, dark-colored baking trays, positioning it near the oven in preparation for the next stage of production.", "questions": [{"question": "After I had finished scooping flour from the first sack into the white bucket, which of the following did I do with the empty bucket before I later filled it with flour from the Maiorca sack?", "options": ["A. I carried the empty bucket back to the flour storage area.", "B. I placed the empty bucket on the digital scale to weigh it.", "C. I used the empty bucket to collect water from the sink.", "D. I set the empty bucket aside and covered it with a cloth."], "answer": "A", "evidence": "The person carries the empty bucket back towards the flour storage area (135-180s). Later, they open a new sack of Maiorca flour and fill the bucket (270-315s).", "timestamps": "135-180s and 270-315s"}, {"question": "Earlier I had placed a large ball of dough into a blue bowl and covered it with a patchwork cloth. Why did I later uncover that same bowl near the end of the video?", "options": ["A. To add more flour to the bowl.", "B. To check the proofing progress of the dough.", "C. To transfer the dough to the mixer.", "D. To remove the dough for baking."], "answer": "B", "evidence": "At 90-135s, they place the dough in a blue bowl and cover it. At 405-450s, they uncover the bowl to check the risen dough, then re-cover it.", "timestamps": "90-135s and 405-450s"}, {"question": "After I used the yellow scoop to scoop flour from the Maiorca sack, what did I do with the scoop before I later added the measured white powder to the mixer?", "options": ["A. I rinsed the scoop under the sink.", "B. I set the scoop aside and used a different scoop.", "C. I placed the scoop on the scale and tared it.", "D. I returned the scoop to the flour sack."], "answer": "C", "evidence": "At 270-315s, they use the yellow scoop to scoop flour from the Maiorca sack. At 315-360s, they place the scoop on the scale, tare it, and add white powder.", "timestamps": "270-315s and 315-360s"}, {"question": "After I finished filling the bucket for the first batch, what did I use to fill the bucket for the second batch, and what had I used to fill it the first time?", "options": ["A. I used a yellow scoop for the second fill, and I used a white scoop for the first fill.", "B. I used a white scoop for the second fill, and I used a purple cup for the first fill.", "C. I used a clear measuring jug for the second fill, and I used a yellow scoop for the first fill.", "D. I used a purple cup for the second fill, and I used a clear measuring jug for the first fill."], "answer": "A", "evidence": "At the start I used a white scoop to take flour from the open 'LA SPINA GIUSEPPE' sack; later I used a yellow scoop to transfer flour from the 'Maiorca' sack into the same white bucket.", "timestamps": "0-30s and 270-315s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "584e542e-1968-4cb8-bd34-aebe80faffdf", "description": "0-75s: The video begins with a first-person perspective of a person in a kitchen wearing a grey \"THE NORTH FACE\" t-shirt. They are holding two small, round yellow fruits (possibly lemons or plums) and placing them into a clear plastic bag. They walk to a stainless steel refrigerator, open the bottom drawer filled with condiments, and store the bag inside. Returning to the counter, they retrieve a rectangular stainless steel tray and a white ceramic bowl from a shelf above the sink. They set a wooden cutting board on the counter and place a whole eggplant and a green bell pepper on it.\n\n75-170s: The person reaches up to a wire dish rack to retrieve a chef's knife. They begin preparing the eggplant by slicing off both ends. They cut the eggplant lengthwise into thick planks, stack them, and slice them into strips before dicing them into small cubes. Using the blade of the knife, they scrape the diced eggplant from the board into the stainless steel tray.\n\n170-290s: Next, the person picks up the green bell pepper. They slice it in half lengthwise and manually remove the core and seeds. They take the pepper halves to the sink and rinse the interior under running water. Back at the cutting board, they slice the pepper into long strips and then chop across them to create a dice. The chopped green pepper is added to the tray next to the eggplant.\n\n290-380s: The person grabs a plastic bag with a yellow pineapple pattern printed on it and\u53d6\u51fa (takes out) a piece of carrot. They slice the carrot into rounds, stack them to cut into matchsticks, and finally dice them into small orange cubes. The diced carrots are scraped into the tray, forming a third pile.\n\n380-480s: Finally, the person takes a piece of ginger root from a small plastic bag. They place it on the cutting board and mince it very finely. Once chopped, they gather the minced ginger with the knife and add it to the tray. The video concludes with the tray holding four distinct piles of prepared ingredients: eggplant, green pepper, carrots, and ginger.", "questions": [{"question": "After I used the sink to rinse the green pepper halves, I later added the diced green pepper to the tray. Which ingredient had I added to the tray before the green pepper, and what was the state of the cutting board after I removed the green pepper from it?", "options": ["A. The eggplant was added before, and the cutting board was empty after.", "B. The carrot was added before, and the cutting board had ginger on it.", "C. The ginger was added before, and the cutting board had eggplant on it.", "D. The yellow fruits were added before, and the cutting board had carrot on it."], "answer": "A", "evidence": "Before the green pepper, only the diced eggplant was in the tray. After scraping the diced green pepper into the tray, the cutting board was empty (no other ingredients were on it).", "timestamps": "170-290s for rinsing and adding pepper; 75-170s for eggplant addition"}, {"question": "After I removed the carrot from the bag with the pineapple pattern, I then diced it. Which ingredient did I remove from a different bag later, and what was the state of the carrot when I added it to the tray?", "options": ["A. I later removed the ginger from a small plastic bag, and the carrot was diced into cubes.", "B. I later removed the yellow fruits from the refrigerator, and the carrot was sliced into rounds.", "C. I later removed the green pepper from the counter, and the carrot was minced.", "D. I later removed the eggplant from the shelf, and the carrot was whole."], "answer": "A", "evidence": "After the carrot, the ginger was taken from a small plastic bag (380-480s). The carrot was diced into small orange cubes (290-380s).", "timestamps": "290-380s for carrot; 380-480s for ginger"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "5cd7cd37-3d6d-4e00-ad32-71ef8897d46f", "description": "0-45s: The video begins with a view of a cluttered kitchen counter. A person's hands are visible as they handle a styrofoam tray containing raw, sliced meat wrapped in plastic. They remove the meat from the packaging and place it into a silver metal bowl that already contains other pieces of raw meat. Several bags of dark purple eggplants and a green bitter melon are also on the counter next to the sink, which has a yellow cutting board resting across it.\n\n45-135s: The person picks up a small jar with a light-colored lid and sprinkles its contents, likely a seasoning like salt or pepper, over the meat in the bowl. After setting the jar down near the stove, they use both hands to thoroughly mix and massage the seasoning into the meat. Once finished, they turn on the faucet and wash their hands over the sink. Visible text includes \"KFC\" on a white mug in the dish rack.\n\n135-210s: After drying their hands, the person retrieves a glass bottle with a red cap, filled with a dark liquid (likely soy sauce). They pour some of this liquid onto the seasoned meat and continue to mix it by hand to ensure it is evenly coated. Following this, they put the bottle away and wash their hands again at the sink.\n\n210-330s: The person takes the green bitter melon and places it on the yellow cutting board. Using a large knife, they slice the vegetable lengthwise, then proceed to cut it into thin, crescent-shaped slices. As each piece is cut, it is transferred into a round, metal mesh colander placed inside the sink basin.\n\n330-480s: With the bitter melon prepared, the person turns their attention to the eggplants. They take one out of its plastic bag, wash it under running water, and place it on the cutting board. They trim off both ends of the eggplant with the knife. This process is repeated for the remaining eggplants, preparing them for the next stage of cooking.", "questions": [{"question": "After I placed the raw meat into the metal bowl, which did I add first, the seasoning from the small jar or the dark liquid from the red-capped bottle, and what did I do immediately after adding it?", "options": ["A. The seasoning first, then I mixed it by hand.", "B. The dark liquid first, then I mixed it by hand.", "C. The seasoning first, then I washed my hands.", "D. The dark liquid first, then I washed my hands."], "answer": "A", "evidence": "The person picks up a small jar with a light-colored lid and sprinkles its contents over the meat. After setting the jar down near the stove, they use both hands to thoroughly mix and massage the seasoning into the meat.", "timestamps": "0-45s (placing meat) and 45-135s (seasoning and mixing)"}, {"question": "Before I poured the dark liquid onto the meat, what had I already done to the meat?", "options": ["A. I had seasoned it with the small jar and mixed it by hand.", "B. I had sliced it into thin strips and placed it in the colander.", "C. I had washed it under running water and trimmed its ends.", "D. I had placed it in the metal bowl and covered it with plastic."], "answer": "A", "evidence": "The person picks up a small jar with a light-colored lid and sprinkles its contents over the meat, then thoroughly mixes it by hand. After that, they pour some of the dark liquid onto the seasoned meat.", "timestamps": "45-135s (seasoning) and 135-210s (pouring dark liquid)"}, {"question": "After I finished slicing the bitter melon, what did I do with the eggplants?", "options": ["A. I washed them under running water and trimmed both ends.", "B. I sliced them into crescents and placed them in the colander.", "C. I placed them in the metal bowl with the meat.", "D. I seasoned them with the small jar."], "answer": "A", "evidence": "With the bitter melon prepared, the person turns their attention to the eggplants. They take one out of its plastic bag, wash it under running water, and place it on the cutting board. They trim off both ends of the eggplant.", "timestamps": "210-330s (slicing bitter melon) and 330-480s (preparing eggplants)"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "5d531ac1-010a-4e67-ba1a-96e485b14968", "description": "0-90s: The video begins with a first-person view of someone chopping green vegetables, likely celery or green onions, on a white cutting board using a knife. A white bowl sits nearby on the counter. The person finishes chopping and transfers the green pieces into a small yellow bowl.\n\n90-210s: The person retrieves a bowl from an upper cupboard. They then open the refrigerator to retrieve a bottle of sauce. Back at the counter, they open a small packet of seasoning and add it to the yellow bowl containing the chopped vegetables. They pour liquid seasoning from a bottle into the bowl and mix the contents. Finally, they cover the yellow bowl with plastic wrap.\n\n210-330s: The person opens the refrigerator again, then moves to the sink to wash dishes. They wash a metal pot, a knife, the white cutting board, and a pot lid under running water. The clean items, including the cutting board and lid, are placed into a dishwasher drawer. The person wipes down the countertop with a cloth.\n\n330-420s: The person retrieves a bottle of oil from a drawer and pours it into a frying pan on the stove. They add ingredients, possibly garlic or ginger, from a small blue and white plate into the hot oil. Using chopsticks, they stir-fry the ingredients in the pan. They briefly cover the pan with a lid, then uncover it to continue stirring.\n\n420-480s: The person opens a can, likely containing tuna or a similar food item. They add the contents of the can into the yellow bowl with the chopped green vegetables and mix everything together with a spoon.", "questions": [{"question": "Earlier I opened the refrigerator to get a bottle of sauce; later, after washing dishes, what did I take from a drawer and use in the frying pan?", "options": ["A. I took a bottle of oil from a drawer and poured it into the pan.", "B. I took a small blue and white plate that held garlic or ginger.", "C. I took a packet of seasoning and added it to the vegetables.", "D. I took a can of tuna and opened it to add to the bowl."], "answer": "A", "evidence": "The person retrieves a bottle of oil from a drawer and pours it into a frying pan on the stove.", "timestamps": "90-150s and 330-420s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "6007636b-0d5a-4c8d-b11f-db63272a5a0e", "description": "0-45s: The video opens with a first-person perspective of cooking in a kitchen. Raw, sliced red meat is being stir-fried in a black frying pan on an induction cooktop. To the left, a white cutting board holds prepared ingredients: chopped white onions and peeled, chunked yellow potatoes. A smartphone is propped up against the sink faucet, displaying a bright screen, likely a recipe. The person uses wooden chopsticks to separate and move the meat around the hot pan.\n\n45-90s: The person reaches for a bottle of dark sauce with a yellow cap (resembling tonkatsu or Worcestershire sauce) and pours a generous amount over the cooking meat. Immediately after, they retrieve a glass jar with a gold lid from a shelf, open it, and use a metal spoon to scoop a white granular substance (likely sugar or salt) into the pan. They continue to stir the meat, which is beginning to brown and release steam.\n\n90-150s: The cooking process continues with constant stirring of the meat using chopsticks. The meat transitions from raw red to cooked brown. The person occasionally glances at the smartphone screen. The onions and potatoes remain untouched on the cutting board during this phase.\n\n150-210s: The person picks up handfuls of the chopped white onions from the cutting board and drops them into the pan with the meat. Shortly after, they add the chunks of yellow potatoes. They use the chopsticks to mix the new ingredients with the meat and sauce, ensuring everything is coated.\n\n210-240s: The person picks up a blue-tinted glass filled with water from the counter and pours it into the pan, creating a burst of steam. They continue to stir the mixture of meat, onions, and potatoes to distribute the liquid.\n\n240-270s: The person moves to the sink area. They pick up a plastic bag labeled with Japanese text (identifiable as \"Shirataki\" or konjac noodles). They open the bag and rinse the white, translucent noodle-like strips under the running tap water to clean them.\n\n270-300s: After rinsing, the person adds the wet Shirataki noodles to the pan. They use the chopsticks to incorporate the noodles into the stew-like mixture, mixing them with the meat and vegetables.\n\n300-330s: The person picks up a clear bottle of cooking oil and pours a small amount into the pan. Next, they take a small, flat packet (likely a soup stock or seasoning sachet), tear it open, and sprinkle the powdered contents over the food. They stir everything together thoroughly to dissolve the seasoning.\n\n330-420s: The person places a glass lid with a black knob onto the frying pan to let the dish simmer. They then turn their attention to the counter, picking up the bag of remaining onions. They open a white drawer (likely a pantry or vegetable storage) and place the bag inside. They proceed to tidy the workspace, wiping the counter and organizing items like the empty sauce bottle.\n\n420-480s: With the main cooking phase paused, the person begins cleaning up. They take the used white cutting board, the knife, and the chopsticks to the stainless steel sink. Using a sponge and soap, they wash the cutting board first, scrubbing off residue, then wash the knife, and finally the chopsticks, rinsing them under the tap.", "questions": [{"question": "After I had stir-fried the meat, which ingredient did I add last before covering the pan with the lid?", "options": ["A. the dark sauce from the bottle with the yellow cap", "B. the white granular sugar from the glass jar", "C. the clear bottle of cooking oil used for frying", "D. the flat packet of seasoning powder for flavor"], "answer": "D", "evidence": "The person pours cooking oil, then takes a small flat packet, tears it open, sprinkles the contents, and stirs. Then they place a glass lid onto the pan.", "timestamps": "0-45s (stir-frying meat) and 300-330s (adding oil and seasoning)"}, {"question": "After I added the potatoes, which of these actions did I do immediately before covering the pan?", "options": ["A. I poured water into the pan", "B. I added the seasoning packet to the pan", "C. I added cooking oil to the pan", "D. I added the rinsed noodles to the pan"], "answer": "B", "evidence": "After adding the seasoning packet (300-330s), the person places a glass lid onto the pan to let it simmer (330-420s).", "timestamps": "150-210s (potatoes) and 300-420s (seasoning and covering)"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "608ba304-a973-4b7b-a803-eddcfa5cf367", "description": "0-60s: The video begins with a first-person perspective of a person seated at a low dining table (chabudai) in a living room, eating a meal. Visible on the table are various dishes including a plate with sliced fruit or sashimi, a bowl of soup, a mug, small side dishes with pickles, and a plate of cooked gyoza. The person uses chopsticks to eat and pours a liquid from a plastic bottle with a green cap (likely soy sauce or vinegar) onto a small dish. A television is on in the background.\n\n60-130s: The person stands up and walks to the kitchen area. They open the bottom drawer of the refrigerator (the freezer compartment) briefly. Returning to the kitchen counter, they open a drawer filled with glass cups but close it without taking anything. They pick up a small yellow bottle from a lower shelf and place it on the dining table. Next, they open an upper wooden cabinet and retrieve a white bowl with a speckled pattern, carrying it back to the table.\n\n130-290s: Back in the kitchen, the person attends to a black frying pan on the gas stove, which has a lid on it. They remove the lid, revealing rows of raw gyoza inside, and place the lid in the sink. For a significant duration, the person stands by the stove, allowing the gyoza to steam and cook. They occasionally adjust the stove knob.\n\n290-360s: The person ignites the burner under the pan, visible as a blue flame. They use a metal spatula to check the gyoza, shaking the pan to ensure they don't stick. They proceed to flip the gyoza over; the undersides are now golden brown. They continue to fry the gyoza until they are fully cooked.\n\n360-480s: Once cooked, the person uses the spatula to transfer the hot gyoza from the pan onto the white speckled plate. After emptying the pan, they carry the plate of freshly cooked gyoza to the dining table. Finally, they return to the kitchen, open the rice cooker, and scoop white rice into two bowls, placing them on the table to complete the meal service.", "questions": [{"question": "While I was cooking, I removed the lid from the pan. What were the items in the pan at that moment, and what did I do with the lid?", "options": ["A. Sliced vegetables, and I set the lid on a nearby cutting board", "B. Raw dumplings, and I placed the lid in the kitchen sink", "C. Cooked rice, and I put the lid on the counter beside the stove", "D. Frying fish, and I left the lid on the pan handle"], "answer": "B", "evidence": "The person removes the lid, revealing rows of raw gyoza, and places the lid in the sink.", "timestamps": "130-290s"}, {"question": "After I finished cooking the dumplings, what did I do with the plate I had set on the table earlier, and what did I then take out of the rice cooker?", "options": ["A. I filled it with fresh dumplings and carried it back, then scooped rice into two bowls", "B. I washed it in the sink and left it to dry, then served soup from a pot", "C. I returned it to the cabinet and brought out a larger tray, then emptied the pan", "D. I placed it on the stove to warm it, then poured sauce into a small dish"], "answer": "A", "evidence": "The person transfers the cooked gyoza onto the white speckled plate, carries it to the table, then scoops white rice into two bowls.", "timestamps": "60-130s and 360-480s"}, {"question": "Before I flipped the dumplings, what was the condition of their undersides, and what action did I take to check on them?", "options": ["A. They were pale, and I used a metal spatula to lift one and shake the pan", "B. They were burnt, and I turned down the flame and added oil", "C. They were golden, and I took the pan off the burner to cool", "D. They were soft, and I pressed them with the back of a spoon"], "answer": "A", "evidence": "The person uses a metal spatula to check the gyoza, shaking the pan, and the undersides are golden brown after flipping.", "timestamps": "290-360s"}, {"question": "After I placed the small yellow bottle on the dining table, what did I later use the white speckled bowl for?", "options": ["A. to serve the freshly cooked gyoza from the frying pan", "B. to hold the steamed white rice scooped from the cooker", "C. to contain the hot miso soup from the pot on the stove", "D. to serve the pickled vegetables from the small side dish"], "answer": "A", "evidence": "Once cooked, they use the spatula to transfer the hot gyoza from the pan onto the white speckled plate.", "timestamps": "60-130s (placing yellow bottle and retrieving white bowl) and 360-480s (serving gyoza on white speckled bowl)"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "5f78084a-fe92-4926-959a-65943bb976fe", "description": "0-15s: The video begins with a first-person view of someone sitting on a bed in a cluttered room. They are holding a black game controller and reach for a blue aerosol can resting on a nearby office chair. After picking up the can, they spray it directly into the buttons and crevices of the controller.\n\n15-40s: The person sets the spray can down and picks up a white cloth from the bed. They proceed to thoroughly wipe down the entire surface of the black controller, cleaning off any residue from the spray. Once finished, they walk over to a wooden desk where a PlayStation console sits, placing the cleaned controller on top next to an orange one.\n\n40-90s: The individual then focuses on cable management. They open a drawer under the desk, retrieve a blue USB cable, and connect it to the front of the PlayStation. Next, they unplug several power cords from a white power strip, including the main cord for the monitor, and begin reorganizing them. They plug the monitor's power adapter back into the strip and tidy the wires behind the desk.\n\n90-130s: Continuing to organize the electronics, the person adjusts the position of the PlayStation console on the desk. They then pick up a large, flat-screen monitor, carefully maneuvering it around the curtains before setting it upright on the desk. After positioning the monitor, they plug its power cable into the newly arranged power strip.\n\n130-200s: With the main setup complete, the person moves to clean the new monitor screen using the same white cloth. They then turn their attention to tidying the rest of the room. They walk to a closet area, rummage through a bag on the floor, and pull out a textbook titled \"LINEAR ALGEBRA\". They place this book on the desk beside the keyboard.\n\n200-280s: The person opens a large wooden dresser drawer filled with clothes and bags. They search through the contents, moving items around but not removing anything, before closing the drawer. They then walk back towards the center of the room, passing by a vacuum cleaner that is lying on the floor.\n\n280-340s: The camera pans around the room, showing the general state of disarray, including clothes piled on a chair and items scattered on shelves. The person walks over to the bed, picks up some crumpled fabric, and then returns to the closet area. They look at a shelf containing hats, one of which has \"CIA\" written on it.\n\n340-425s: In the final segment, the person continues to assess the room's layout. They move a small table or stand near the bed. They then return to the desk area, unplugging another device and rearranging more cables. The video concludes as they make final adjustments to the monitor and cables, seemingly satisfied with the organized setup.", "questions": [{"question": "After I placed the LINEAR ALGEBRA textbook on the desk, what did I do next in the room before returning to the desk area?", "options": ["A. I opened a large wooden dresser drawer and searched through its contents.", "B. I picked up a vacuum cleaner from the floor and moved it to the closet.", "C. I took a hat from the shelf and placed it on the bed near the controller.", "D. I moved a small table near the bed and then adjusted the monitor's position."], "answer": "A", "evidence": "After placing the textbook on the desk, the person opens a large wooden dresser drawer filled with clothes and bags, searches through the contents, then closes the drawer and walks back towards the center of the room.", "timestamps": "130-200s and 200-280s"}, {"question": "Earlier I used a blue aerosol can to clean the controller. Later, when I was tidying the room, what did I do with the can and the cloth?", "options": ["A. I left the can on the chair and used the cloth to wipe the monitor screen.", "B. I put the can back on the bed and then used the cloth to clean the desk.", "C. I placed the can on the desk and then used the cloth to wipe the console.", "D. I threw the can in the trash and then used the cloth to clean the cables."], "answer": "A", "evidence": "The person sets the spray can down on the chair after cleaning the controller. Later, they use the same white cloth to clean the new monitor screen.", "timestamps": "0-15s and 130-200s"}, {"question": "After I wiped the black controller with the white cloth, what did I later take out of the bag near the closet, and where did I put it?", "options": ["A. A blue USB cable, connected to the front of the PlayStation.", "B. A heavy textbook, placed on the desk beside the keyboard.", "C. A white cloth, placed back on the bed.", "D. A black controller, set on the desk next to an orange one."], "answer": "B", "evidence": "They rummage through a bag on the floor and pull out a textbook titled LINEAR ALGEBRA, then place it on the desk beside the keyboard.", "timestamps": "15-40s and 130-200s"}, {"question": "After I placed the cleaned controller on the desk, which action did I perform immediately before picking up the flat-screen monitor?", "options": ["A. I connected a blue USB cable to the front of the PlayStation console.", "B. I unplugged the monitor's power adapter from the white power strip.", "C. I adjusted the PlayStation's position on the wooden desk to make room for the monitor.", "D. I opened the large wooden dresser drawer filled with clothes and searched inside."], "answer": "C", "evidence": "At 90-130s, 'the person adjusts the position of the PlayStation console on the desk. They then pick up a large, flat-screen monitor...'", "timestamps": "15-40s (placed controller) and 90-130s (adjusted PlayStation before picking monitor)"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "61de3e3f-8862-4d68-ab4a-2a26e81916d1", "description": "0-45s: A person wearing blue nitrile gloves uses a metal hand plane to smooth the edge of a long, light-colored wooden plank clamped in a workbench vise. Wood shavings are visible on the floor and bench. The person then uses a combination square to check the angle of the planed edge. After checking, they set down the square and pick up the plane again for more passes.\n\n45-90s: The person continues to plane the wood, periodically stopping to clear shavings from the plane's mouth with their gloved hand. They resume planing, creating more thin curls of wood. After several more strokes, they put the plane down and use the combination square again to verify the flatness and squareness of the surface. Satisfied, they remove the plank from the vise.\n\n90-135s: The person takes the now-planed plank and places it back on the workbench. They retrieve a utility knife with a red handle from a drawer near a green bicycle. Returning to the bench, they use the knife to carefully scrape or clean the end grain of the plank. They then move to another part of the workshop, where a sharpening stone is mounted in a blue vise.\n\n135-180s: At the sharpening station, the person uses the utility knife to scrape material off the surface of the green-topped sharpening stone. After preparing the stone, they return to the main workbench. They place the plank back in the vise and use the combination square and a pencil to mark a line across its width. They then use the utility knife, guided by the square, to score along the marked line.\n\n180-225s: The person removes the scored piece of wood from the main plank. They then go to a tool rack on the wall and select a chisel with a blue handle. Back at the sharpening station, they begin to hone the chisel's bevel on the prepared sharpening stone, using circular and back-and-forth motions. They frequently stop to inspect the edge closely.\n\n225-270s: Continuing to sharpen the chisel, the person works meticulously on the stone, checking the blade's sharpness by looking at the reflection of light on the edge. Once satisfied, they place the chisel back on its hook on the wall-mounted tool rack. They then return to the workbench with the plank still in the vise.\n\n270-315s: Using a ruler and a pencil, the person makes several new marks on the face of the wooden plank. They appear to be measuring and marking out dimensions for a cut or joint. They double-check their measurements against a digital display on their smartphone before making final marks with the pencil.\n\n315-360s: With the markings complete, the person uses the combination square and the red-handled utility knife to deeply score the lines they just drew. This creates a precise guide for cutting. They carefully run the knife along the ruler multiple times to ensure a clean, deep groove in the wood. Finally, they lift the plank to inspect their work as the video ends.", "questions": [{"question": "After I sharpened the chisel on the stone and hung it back on the rack, what did I do next with the plank that was still in the vise?", "options": ["A. I measured and marked new dimensions on its face with a ruler and pencil", "B. I used the combination square and utility knife to deeply score the lines", "C. I removed the scored piece of wood from the main plank", "D. I used the utility knife to scrape the end grain of the plank"], "answer": "A", "evidence": "Once satisfied, they place the chisel back on its hook on the wall-mounted tool rack. They then return to the workbench with the plank still in the vise. Using a ruler and a pencil, the person makes several new marks on the face of the wooden plank.", "timestamps": "225-270s and 270-315s"}, {"question": "Before I used the utility knife to score the lines I had drawn, what did I do with the smartphone, and what did I do immediately after scoring?", "options": ["A. I checked my measurements on it, then I lifted the plank to inspect my work", "B. I checked my measurements on it, then I used the knife to scrape the stone", "C. I used it to double-check the angle, then I removed the scored piece", "D. I used it to verify the flatness, then I placed the chisel back on its hook"], "answer": "A", "evidence": "They double-check their measurements against a digital display on their smartphone before making final marks with the pencil. With the markings complete, the person uses the combination square and the red-handled utility knife to deeply score the lines they just drew. Finally, they lift the plank to inspect their work as the video ends.", "timestamps": "270-315s and 315-360s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "62f15369-7c48-4a25-b5e6-f232d5dacece", "description": "**0-60s: Rice Preparation and Initial Cooking**\nThe video begins with the person washing uncooked white rice in a stainless steel bowl under running tap water using a white plastic spoon. To the right, on a gas stovetop, a blue-rimmed frying pan is already heating, containing a mixture of sliced meat and orange vegetables (likely carrots). After rinsing the rice thoroughly, the person carries the bowl to a silver rice cooker located on a shelf, places the bowl inside, and closes the lid.\n\n**60-120s: Stir-fry Completion and Pan Cleaning**\nThe person opens a bottom freezer drawer and retrieves a vacuum-sealed package of udon noodles. Returning to the stove, they use wooden chopsticks to stir the meat and vegetable mixture in the frying pan. Once cooked, the stir-fry is transferred from the pan into a small, dark brown bowl. The now-empty frying pan is taken to the sink, rinsed with water to remove residue, and then filled with fresh water.\n\n**120-180s: Water Heating and Multitasking**\nThe water-filled frying pan is placed back on the lit gas burner. While the water heats, the person briefly tastes or checks the stir-fry in the small bowl. They then turn their attention to a white electric kettle or water container, filling it at the sink and plugging its power cord into an outlet. During this time, the person frequently pulls aside a beige curtain to peek into an adjacent room where a laptop screen is visible, suggesting they are monitoring something or someone in the other room.\n\n**180-240s: Cooking the Noodles**\nThe person unwraps the udon noodles and places the block of noodles into the pan of boiling water. Using chopsticks, they gently separate the noodles as they soften and cook. The camera angle remains fixed overhead, showing the noodles expanding in the water. The person continues to alternate between stirring the noodles and glancing through the curtain into the next room.\n\n**240-300s: Plating the Base**\nAs the noodles finish cooking, the person retrieves a large white dinner plate from the dish drying rack above the sink. They use chopsticks to lift the cooked noodles out of the pan and arrange them neatly on the white plate. The empty frying pan is set aside on the stove.\n\n**300-360s: Assembling the Dish**\nThe person picks up the small brown bowl containing the previously cooked meat and vegetable stir-fry. They pour the entire contents over the bed of noodles on the white plate, creating a combined dish. The empty brown bowl is immediately placed into the sink.\n\n**360-420s: Adding Final Ingredients**\nThe person opens the refrigerator drawer again and retrieves a bottle with an orange cap (likely a sauce or seasoning) and a single white egg. They open the bottle and appear to season the dish (though the pouring is partially obscured). Next, they crack the egg into a small black rectangular container, carefully separating the yolk from the white using the shell halves.\n\n**420-480s: Final Wait**\nWith the meal assembled on the counter, the person spends the remaining time standing near the sink and curtain. They repeatedly pull the curtain aside to look into the adjacent room, possibly waiting for the rice cooker to signal completion or checking on the occupant of the other room. The video ends with the person still looking through the curtain.", "questions": [{"question": "After I finished rinsing the rice, where did I place the bowl before I began heating the water for the noodles?", "options": ["A. On the shelf beside the silver rice cooker", "B. Inside the silver rice cooker on the shelf", "C. On the counter near the gas stovetop", "D. In the sink next to the stainless steel bowl"], "answer": "B", "evidence": "After rinsing the rice thoroughly, the person carries the bowl to a silver rice cooker located on a shelf, places the bowl inside, and closes the lid.", "timestamps": "0-60s and 120-180s"}, {"question": "Before I poured the stir-fry over the noodles, what did I do with the empty frying pan after transferring the stir-fry to the small bowl?", "options": ["A. I left it on the stove to keep warm", "B. I rinsed it and filled it with fresh water", "C. I placed it in the sink with soapy water", "D. I stored it in the bottom freezer drawer"], "answer": "B", "evidence": "The now-empty frying pan is taken to the sink, rinsed with water to remove residue, and then filled with fresh water.", "timestamps": "60-120s and 300-360s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "5e5656d7-83d3-45db-8f97-601328801fd5", "description": "0-45s: The video begins with a view of groceries on a white countertop, including a head of cabbage in plastic wrap, a black tray of raw meat, and several packets. A person's hands enter the frame to move items around. The scene then cuts to a top-down view of a kitchen sink area. The person places a white cutting board into the stainless steel sink and turns on the faucet to rinse it. They use their hands to wipe the board under the running water before turning off the tap.\n\n45-120s: The person moves back to the counter and begins unpacking groceries from a white plastic bag. They take out an orange packet labeled \"\u597d\u307f\u713c\" (Konomiyaki) and place it on the counter next to a rice cooker. Next, they handle another small yellow packet and then open a larger orange and white packet, which appears to be a food mix. After examining it, they set it down. They then pick up the black tray of meat, which has a label with Japanese text, and place it on the counter. Finally, they take the head of cabbage and place it on the white cutting board that was previously washed.\n\n120-210s: The person picks up a brown bowl from the stove area and takes it to the sink. They open a small white packet containing a white powder (likely flour or batter mix) and pour its contents into the bowl. Returning to the counter, they open the refrigerator door located beneath the counter and retrieve two white eggs. Back at the sink, they crack both eggs into the brown bowl with the powder. Using chopsticks, they begin whisking the eggs and powder together. They then turn on the faucet and add a small amount of water to the mixture while continuing to whisk until a smooth, light-colored batter is formed.\n\n210-300s: With the batter prepared, the person sets the bowl aside. They take the brown bowl that was used for mixing and rinse it thoroughly in the sink. They then grab a sponge and wash the inside of the bowl more carefully, rinsing it again under the tap. After cleaning the bowl, they place it on the stovetop. The camera angle shifts as they move back to the main counter area.\n\n300-390s: The person picks up the head of cabbage from the cutting board and removes the outer plastic wrapping, discarding it into a trash bag on the floor. They place the unwrapped cabbage back on the cutting board. Picking up a knife with a black handle, they slice the cabbage in half. They then proceed to cut one of the halves into smaller wedges.\n\n390-480s: The person continues to chop the cabbage, slicing the wedges into thin shreds. They gather the shredded cabbage into a pile on the cutting board. Once finished chopping, they set the knife down and reach for the black tray of raw meat, moving it closer to the cutting board in preparation for the next step of cooking.", "questions": [{"question": "Just after I poured the white powder into the brown bowl, which item did I retrieve from the refrigerator?", "options": ["A. two white eggs to mix into the batter", "B. a head of cabbage wrapped in plastic", "C. a black tray holding raw ground meat", "D. an orange packet of okonomiyaki mix"], "answer": "A", "evidence": "They open the refrigerator and retrieve two white eggs after pouring powder into the bowl.", "timestamps": "120-210s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "60c3e909-a3dc-4815-a1d3-4e6f78eec2db", "description": "0-15s: The video begins with a static shot of a stainless steel countertop featuring a clear plastic water bottle with a blue label reading \"Cavagrande,\" a light blue plastic bowl, and a striped kitchen towel draped over an egg carton. The camera then moves rapidly as the person walks away from this station towards a bakery workspace.\n\n15-75s: The person arrives at a large stainless steel worktable dusted with flour. To the left, several logs of pale yellow dough are already formed. A large mass of dough sits in a white rectangular plastic tub. The person reaches into the tub, pulls out a portion of dough, and rolls it into a long log shape on the floured surface. They repeat this process, creating multiple uniform logs and arranging them on the table.\n\n75-105s: The person turns their attention to a large industrial oven or proofer nearby. They pull out a metal tray containing a large, baked loaf of bread with a golden-brown crust. After inspecting it briefly, they slide the tray back onto the rack.\n\n105-165s: Returning to the worktable, the person retrieves a long wooden plank and lays a long, clean white cloth (a couche) over it. They carefully transfer the shaped dough logs from the table onto the cloth, spacing them out evenly. They then reach for a small metal bowl containing what appears to be seeds or coarse flour and sprinkle it over the dough logs.\n\n165-225s: The person continues working with the dough. They take another portion of dough and roll it into a long rope. Simultaneously, they use a blue-handled bench scraper to cut a large, flat sheet of dough that is lying on the cloth into a grid of square pieces.\n\n225-285s: Using both hands, the person carefully lifts the edges of the white cloth, which now holds the cut squares of dough, effectively transferring the entire batch. They carry the cloth-covered plank away from the main table, presumably to a proofing area.\n\n285-345s: With the workspace cleared, the person begins cleaning. They use the bench scraper to scrape residual dough and flour from the stainless steel table into a bin below. They then pick up a white plastic container and use the scraper to remove stuck dough from the inside.\n\n345-405s: The cleaning continues as the person wipes down the table surface. They gather loose flour and debris. They also clean the inside of a large metal mixing bowl, scraping out remaining dough residue.\n\n405-435s: The person uses a red-handled brush to sweep the remaining flour off the edge of the stainless steel table onto the floor or into a collection area. They ensure the work surface is completely clear.\n\n435-480s: The person walks back to the industrial oven. They open the heavy door and retrieve a metal rack. On the rack, they handle a package wrapped in aluminum foil containing green leafy vegetables (possibly herbs or spinach). They adjust the foil wrapping, ensuring it is secure, and then slide the rack back into the hot oven to bake. Finally, they close the oven door.", "questions": [{"question": "Before I cut the dough into squares, which of these actions had I already completed?", "options": ["A. Scraped the worktable with a bench scraper", "B. Sprinkled seeds over the dough logs on the cloth", "C. Cleaned the inside of a metal mixing bowl", "D. Brushed flour off the table's edge with a red brush"], "answer": "B", "evidence": "The person sprinkles seeds over the dough logs at 105-165s, and cuts the dough into squares at 165-225s.", "timestamps": "105-165s and 165-225s"}, {"question": "What did I do immediately after cutting the dough into squares, before I started cleaning the worktable?", "options": ["A. Sprinkled seeds over the dough logs", "B. Scraped dough from the table into a bin", "C. Carried the cloth with the squares away to proof", "D. Placed the foil-wrapped greens in the oven"], "answer": "C", "evidence": "After cutting the dough into squares at 165-225s, the person carries the cloth away at 225-285s.", "timestamps": "165-225s and 225-285s"}, {"question": "Why did I open the oven near the end of the video, and what had I done with the dough earlier?", "options": ["A. To retrieve a baked loaf, and I had rolled the dough into logs", "B. To place the greens inside, and I had cleaned the worktable", "C. To remove the greens, and I had brushed the table", "D. To adjust the foil on the greens, and I had cut the dough into squares"], "answer": "D", "evidence": "Near the end, the person opens the oven at 435-480s and adjusts the foil. Earlier, they cut the dough at 165-225s.", "timestamps": "435-480s and 165-225s"}, {"question": "After I finished cleaning, what did I do with the red-handled brush, and what had I used the bench scraper for before cleaning?", "options": ["A. Swept flour off the table, and I had cut the dough with it", "B. Cleaned the mixing bowl, and I had scraped the table with it", "C. Brushed the dough logs, and I had shaped them with it", "D. Wiped the counter, and I had cleaned the plastic container with it"], "answer": "A", "evidence": "After cleaning, the person sweeps flour with a red brush at 405-435s. Earlier, they used the bench scraper to cut dough at 165-225s.", "timestamps": "405-435s and 165-225s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "5e2fb823-4f3f-414f-9fce-8d5a894f4df5", "description": "0-100s: The video begins with a first-person view of a kitchen counter where pieces of breaded chicken are frying in a small black rectangular pan on a gas stove. The person uses wooden chopsticks to flip and move the chicken pieces. To the left, a yellow bowl containing beaten egg yolk sits near a white paper towel laid out on a metal tray. Above the sink, a red box labeled \"25\" and \"22cm x 20m\" with strawberry graphics is visible. The person removes the fried chicken pieces one by one from the pan and places them onto the paper towel to drain excess oil.\n\n100-180s: With the chicken draining, the person adjusts the stove knob. They then turn their attention to a white pot with a floral pattern sitting on the adjacent burner. They lift the lid, revealing a simmering liquid inside. The person reaches towards the refrigerator on the left, opening the door briefly around 160s, possibly checking for an ingredient, before returning to the stove.\n\n180-240s: The person stirs the contents of the white pot with a ladle. They appear to be making a soup, likely miso soup given the context. They add a scoop of paste from a container into the pot and stir it in. The camera angle shifts downwards, showing the person squatting or bending down near a heater on the floor. They open a rice cooker pot sitting on the floor and scoop cooked white rice into a small white bowl using a white rice paddle.\n\n240-320s: Returning to the standing position at the counter, the person retrieves a red bowl and a white bowl from a wooden shelf unit above. They place the bowl of rice onto a light wooden serving tray. Next, they open a plastic container filled with shredded orange carrots (likely pickled carrots or kimchi) and use chopsticks to transfer a portion into a small green-rimmed bowl. They then use chopsticks to move the fried chicken pieces from the paper towel onto the serving tray/bowl area.\n\n320-440s: The person pours the hot soup from the white pot into the red bowl using the ladle. They arrange the items on the wooden tray: the bowl of rice, the bowl of carrots, the fried chicken, and the soup. Finally, they open a drawer below the counter to retrieve a pair of disposable wooden chopsticks, placing them on the tray to complete the meal setup. The video ends with the full meal arranged on the counter.", "questions": [{"question": "I used a utensil to transfer shredded carrots from a plastic container into a green-rimmed bowl. Earlier in the video, I had used the same utensil for a task involving the chicken. What was that earlier task?", "options": ["A. flipping the breaded chicken pieces in the frying pan", "B. moving the fried chicken pieces from the paper towel to the serving tray", "C. stirring the simmering liquid in the white pot", "D. scooping cooked rice from the rice cooker into a white bowl"], "answer": "A", "evidence": "In the video, the person uses wooden chopsticks to flip and move the chicken pieces during frying (0-100s), and later uses chopsticks to transfer shredded carrots into a green-rimmed bowl (240-320s).", "timestamps": "0-100s and 240-320s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "631bfb3a-5ee3-4d4a-b924-e6919b8252c6", "description": "0-45s: The video begins with a blurry, first-person view of a cluttered workshop. The camera stabilizes to show the person standing next to a red Exmark zero-turn lawnmower that is elevated on a hydraulic lift. The person uses a wrench to loosen a drain plug on the underside of the mower's engine. They then attach a black rubber hose to the drain port and position a black oil drain pan underneath it to catch the old oil.\n\n45-120s: With the old oil draining into the pan, the person moves to a workbench. They take a new, cylindrical oil filter and pour some fresh \"Kawasaki 4-STROKE ENGINE OIL\" from a black bottle onto its rubber gasket to prime it. After setting the primed filter aside, they retrieve pliers from an open drawer in their tool chest. They return to the mower and use the pliers to grip and twist off the old oil filter, which is located near the yellow oil dipstick cap. Once removed, they wipe the mounting surface clean with a paper towel.\n\n120-210s: The person installs the new, pre-lubricated oil filter by hand, tightening it securely. They then move to a corner of the shop where large barrels for waste collection are kept and dispose of the old oil filter. Returning to the mower, they pick up a red funnel and place it into the engine's oil fill port. They proceed to pour several bottles of new Kawasaki engine oil into the engine through the funnel. After filling, they remove the funnel, screw the yellow dipstick/cap back on, and wipe away any spills with a red rag.\n\n210-360s: The focus shifts to cleaning the mower deck. The person lowers the mower slightly and uses a flashlight to inspect the area underneath. They then raise the mower high on the lift. From below, they use a scraper tool to dislodge caked-on grass and debris from the inside of the red mower deck. This process creates a significant amount of loose dirt and grass clippings on the concrete floor beneath the lift.\n\n360-480s: After finishing the scraping, the person gets down from under the lift. They grab a green-handled broom and a white dustpan and begin sweeping the accumulated grass and dirt from the floor. They collect the debris into the dustpan and empty it into a nearby trash can. They also empty a bucket of water used for rinsing tools or parts.\n\n480-600s: The person operates the controls to lower the lawnmower completely off the lift. They then get on the mower, start the engine, and drive it out of the workshop bay onto the paved area outside.\n\n600-720s: Outside, the person connects a compressed air hose with a red blow-gun nozzle. They systematically blow out all the remaining grass clippings and dust from the mower deck, around the pulleys and belts, and across the engine compartment, ensuring the entire machine is thoroughly cleaned before being put away.\n\n720-780s: With the cleaning complete, the person drives the now-clean lawnmower back towards the workshop and parks it inside, concluding the maintenance task.", "questions": [{"question": "Before I walked over to the workbench to prime the new filter, what had I just finished doing under the mower?", "options": ["A. scraped caked-on grass from the inside of the red mower deck", "B. loosened the drain plug and attached a hose to drain the old oil", "C. swept grass and dirt from the concrete floor into a dustpan", "D. blew remaining clippings out of the engine with compressed air"], "answer": "B", "evidence": "The person uses a wrench to loosen a drain plug on the underside of the mower's engine. They then attach a black rubber hose to the drain port and position a black oil drain pan underneath to catch the old oil.", "timestamps": "0-45s and 45-120s"}, {"question": "Before I drove the mower outside to blow out the clippings, what had I used to remove the old oil filter, and what was the color of the funnel I used to pour new oil?", "options": ["A. I used a wrench to remove the filter and the funnel was black", "B. I used a screwdriver to remove the filter and the funnel was yellow", "C. I used pliers to remove the filter and the funnel was red", "D. I used a hammer to remove the filter and the funnel was white"], "answer": "C", "evidence": "They used pliers to twist off the old filter. They used a red funnel to pour new oil.", "timestamps": "45-120s and 120-210s, with anchor at 480-600s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "63a62c56-91bb-4373-b682-555a43aa6908", "description": "0-15s: The video begins with a view of a kitchen counter featuring blue tiles and white cabinets. A stainless steel pot sits on an induction cooktop, alongside a kettle and other small appliances. The camera then pans to the right, showing the interior of an open refrigerator illuminated by a blue light, containing eggs in a carton and items in blue plastic bags. The camera moves back towards the main counter area.\n\n15-60s: The person is at the sink area. On the counter are various utensils including knives and spoons, a bottle of dish soap, and a clear plastic container. The person picks up a banana from off-screen and places it on a cutting board. They proceed to peel the banana over the sink, discarding the peel into the bin (off-screen). After peeling, they place the peeled banana onto a white plate that was already on the counter.\n\n60-90s: The person turns their attention to the stove. They pick up a clear plastic jar with a yellow lid, which contains oats or a similar grain. They open the jar and pour some of its contents into the stainless steel pot on the active induction cooktop. After pouring, they place the jar back down on the counter near the corner shelf unit.\n\n90-120s: The person leaves the kitchen area, walking down a hallway past a washing machine located in a utility nook. They enter a living room space furnished with a sofa, armchairs, and a desk. The camera focuses on an Apple iMac computer sitting on the desk, surrounded by papers and notebooks.\n\n120-480s: The remainder of the video consists of a static shot focused on the iMac screen. The computer boots up, displaying a login screen before loading into a macOS desktop environment. An application window, appearing to be a code editor or terminal interface with lines of text, is open and remains visible for the duration. No further physical actions occur; the scene is entirely focused on the computer screen as it displays the software interface.", "questions": [{"question": "Before I poured the oats from the jar into the pot, what was the first thing I did with the banana after picking it up from off-screen?", "options": ["A. Peeled the banana over the sink and discarded the peel into the off-screen bin.", "B. Discarded the banana peel into the bin and left the fruit on the cutting board.", "C. Placed the banana on the white plate that was already on the kitchen counter.", "D. Placed the banana on the cutting board that was on the kitchen counter."], "answer": "D", "evidence": "The person picks up a banana from off-screen and places it on a cutting board.", "timestamps": "15-60s"}], "n_frames_described": 100, "rejected_blind": 10, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "63ad19bb-05d8-4624-859e-c30092022a2e", "description": "0-45s: The video opens with a close-up of a lit table lamp with a beige cylindrical shade. The camera pans to reveal a white desk cluttered with various items: a black globe, a wireframe metal sphere, a plastic water bottle, a smartphone, a spiral notebook, pencils, and a yellow retractable measuring tape. A hand enters the frame holding a rolled poster, unrolls it to reveal the \"Uncle Sam\" recruitment image (\"I WANT YOU FOR U.S. ARMY\"), and lays it flat on the desk. The person uses the yellow measuring tape to measure the width of the poster.\n\n45-120s: The person finishes measuring the poster on the desk. The camera moves to the white wall above the desk, where a black-and-white abstract painting is already hanging. The person takes a different poster, depicting Hokusai's \"The Great Wave off Kanagawa,\" and positions it against the wall to the left of the existing painting. They use small pieces of blue painter's tape to secure the top corners of the poster to the wall, smoothing it down to ensure it lies flat.\n\n120-180s: With the wave poster secured, the person moves slightly to the right. They take a third poster, the iconic \"We Can Do It!\" (Rosie the Riveter) image, and position it on the wall next to the wave poster. They carefully align it and use more blue tape to attach the corners, pressing firmly to adhere it to the surface.\n\n180-240s: The camera pans back to the desk briefly, showing the lamp and supplies, then moves to another section of the wall. A poster featuring a large, textured red planet (resembling Mars or the Sun) is being taped up. The person applies tape to the corners and smooths the surface.\n\n240-300s: Next to the red planet poster, a black poster with the word \"SPRITE\" in white text is being hung. The person secures this poster to the wall using tape, ensuring it is level with the others.\n\n300-360s: The person returns to the \"Uncle Sam\" poster that was measured earlier. They lift it and position it on the wall, likely to the far left, completing the row of posters. They secure the corners with tape. The camera then pans across the wall, showing the collection of posters: the Uncle Sam poster, the wave poster, the Rosie poster, and the planet/Sprite posters.\n\n360-420s: The person leaves the desk area and walks through the room. The camera captures a view of a living area with a brown sofa, a patterned rug, and a glass door leading to a balcony. The camera moves towards a corner dedicated to music, revealing a black electronic keyboard on a stand, a snare drum on a stand, and an acoustic guitar leaning against the wall.\n\n420-480s: The person sits down in front of the musical instruments. They pick up the acoustic guitar, positioning it for playing. The camera focuses on their hands as they place fingers on the fretboard and begin to strum the strings. The video concludes with the person playing the guitar.", "questions": [{"question": "After I hung the wave poster, which poster did I hang next, and what object did I use earlier to measure the Uncle Sam poster?", "options": ["A. the red planet poster, using the black globe", "B. the Sprite poster, using the wireframe sphere", "C. the Rosie the Riveter poster, using the yellow measuring tape", "D. the Uncle Sam poster, using the plastic water bottle"], "answer": "C", "evidence": "45-120s: hangs wave poster. 120-180s: hangs Rosie poster. 0-45s: uses yellow measuring tape to measure width.", "timestamps": "45-120s, 120-180s, and 0-45s"}, {"question": "After I hung the Sprite poster, which poster did I hang last, and what had I done earlier with that same poster?", "options": ["A. the Great Wave poster, which I had smoothed with my hand", "B. the Uncle Sam poster, which I had measured with the yellow tape", "C. the red planet poster, which I had hung second in the row", "D. the Rosie the Riveter poster, which I had taped next to the wave"], "answer": "B", "evidence": "240-300s: hangs Sprite. 300-360s: hangs Uncle Sam. 0-45s: measures Uncle Sam.", "timestamps": "240-300s, 300-360s, and 0-45s"}, {"question": "After I measured the Uncle Sam poster, why did I return to it at the very end of the video?", "options": ["A. to hang the Great Wave poster next to the abstract painting", "B. to walk to the living area and play the acoustic guitar", "C. to hang the Sprite poster on the wall with blue tape", "D. to hang it on the wall with blue painter's tape"], "answer": "D", "evidence": "0-45s: measures Uncle Sam. 300-360s: returns to it and hangs it on the wall.", "timestamps": "0-45s and 300-360s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "66c9bd1f-e5b0-402b-91fc-bb538f33d131", "description": "0-45s: The video opens with a first-person view of a wooden desk. A person is holding a grey and blue Polaroid 1200i instant camera. They are using a white cloth to wipe the exterior surfaces of the camera, including the top handle and body. On the desk, various items are visible: a blue box for the \"Polaroid 1200i\", a black box labeled \"POLAROID SQUARE SHOOTER 2 LAND CAMERA\", two green boxes of \"Color Spectra Film\", a small bottle of cleaning solution with a blue cap, cotton swabs, and an orange case containing a screwdriver set.\n\n45-90s: The person continues to meticulously clean the camera. They rotate it in their hands, wiping down all sides, including the front panel around the lens and the film ejection slot. After wiping the main body, they pick up a cotton swab from the table and begin to clean smaller crevices and details on the camera's surface.\n\n90-135s: The cleaning process continues with focused attention on specific areas. The person uses the cotton swab to clean around the buttons and along the seams of the camera body. They then switch back to the white cloth to wipe larger flat surfaces, ensuring the entire exterior is cleaned.\n\n135-180s: The person opens the front door of the Polaroid camera, revealing the internal rollers and film chamber. They proceed to clean these internal components with the white cloth. After cleaning the inside, they close the camera door and continue wiping the now-closed exterior.\n\n180-225s: Having finished cleaning the camera, the person sets it down on the desk. They then reach for the orange screwdriver set, open its clear plastic lid, and examine the tools inside before closing it again. Next, they pick up the blue \"Polaroid 1200i\" box.\n\n225-270s: The person opens the blue product box and removes a user manual. The cover reads \"Polaroid 1200si / 1200i\". They open the manual and begin flipping through the pages, which contain diagrams and text instructions in multiple languages.\n\n270-315s: The person continues to browse the instruction manual, pausing on pages that show exploded-view diagrams of the camera and step-by-step illustrations for loading film. Their finger points to specific parts of the diagrams as they review the information.\n\n315-360s: After reviewing the manual, the person closes it and places it back into the blue box. They then pick up a black plastic film cartridge, inspecting it from different angles before setting it down.\n\n360-405s: The person picks up the Polaroid camera again and opens the front door. They take the blue cap off the small bottle of cleaning solution and prepare to apply it to a new cotton swab.\n\n405-450s: With the camera door open, the person applies the cleaning solution to the cotton swab and carefully cleans the metal rollers inside the film compartment. They then use the white cloth to wipe the interior surfaces around the rollers.\n\n450-480s: The person closes the camera door. They then pick up the screwdriver set again, select a screwdriver, and appear to be preparing to perform some form of disassembly or repair on the camera as the video ends.", "questions": [{"question": "After I finished cleaning the camera exterior, what did I do with the orange screwdriver set before I opened the blue product box?", "options": ["A. I opened its clear plastic lid and examined the tools inside.", "B. I placed it back onto the desk and picked up the black film cartridge.", "C. I used a screwdriver from it to tighten a loose screw on the camera.", "D. I set it aside to look at the green boxes of film on the desk."], "answer": "A", "evidence": "Having finished cleaning the camera, the person sets it down on the desk. They then reach for the orange screwdriver set, open its clear plastic lid, and examine the tools inside before closing it again.", "timestamps": "180-225s and 225-270s"}, {"question": "After I had finished cleaning the camera's interior, what state was the camera in when I picked up the screwdriver set near the end of the video?", "options": ["A. Its front door was closed and the body was wiped down.", "B. Its front door remained open with the rollers exposed.", "C. Its lens cap was on and the camera was inside its blue box.", "D. Its exterior was still damp from the cleaning solution."], "answer": "A", "evidence": "450-480s: The person closes the camera door. They then pick up the screwdriver set again, select a screwdriver, and appear to be preparing to perform some form of disassembly or repair on the camera.", "timestamps": "405-450s and 450-480s"}, {"question": "Between the time I first wiped the camera's exterior and the time I later cleaned the rollers, what did I do with the white cloth?", "options": ["A. I used it to clean the internal rollers and the film chamber.", "B. I put it down to pick up the cotton swabs for crevices.", "C. I folded it and set it on the desk near the cleaning bottle.", "D. I wiped the lens and the film ejection slot with it again."], "answer": "A", "evidence": "135-180s: The person opens the front door of the Polaroid camera, revealing the internal rollers and film chamber. They proceed to clean these internal components with the white cloth. 405-450s: They then use the white cloth to wipe the interior surfaces around the rollers.", "timestamps": "0-45s and 135-180s, 405-450s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "6618b522-c84f-41ed-85f0-0b6bae202de5", "description": "**0-45s:** The video opens with a first-person view of a cluttered kitchen workspace featuring a stainless steel sink and overhead shelves stocked with jars and boxes. The person picks up a whole, unpeeled onion from the counter near the sink. They begin peeling the dry, papery outer layers of the onion over the sink basin, letting the skins fall into the drain area. By the end of this segment, the onion is largely peeled, revealing the white flesh underneath.\n\n**45-135s:** The peeled onion is placed on a light wooden cutting board situated to the right of the sink. The person opens a drawer beneath the counter and retrieves a knife with a black handle. They position two bowls on the counter: a white bowl with a blue rim and a beige/yellow bowl. The person cuts the onion in half and proceeds to slice it into thin semi-circular rings. As they slice, they gather the pieces and transfer them into the beige bowl.\n\n**135-210s:** After finishing the onion, the person handles a green plastic bowl containing dark green leafy vegetables (possibly seaweed or spinach). They rinse the contents under the running tap. Subsequently, they place a green cylindrical container on a high wooden shelf above the counter. They then open the lower drawer again to retrieve a small, plain white bowl.\n\n**210-270s:** The person holds the small white bowl under the faucet and vigorously rubs the interior with their hand, appearing to clean it thoroughly. They rinse the bowl and place it on the counter next to the cutting board.\n\n**270-330s:** The person moves to a white refrigerator on the left side of the frame. They open the door and retrieve several ingredients: a bottle with a yellow cap (likely vinegar or citrus juice), a tube of paste (likely ginger or garlic), and a large clear bottle of cooking oil. They close the fridge and return to the sink area.\n\n**330-435s:** Standing at the sink, the person begins preparing a dressing in the small white bowl. They pour liquid from a green bottle into a metal measuring spoon and add it to the bowl. They then squeeze the tube of paste into the mixture. Next, they pour oil from the large clear bottle. They stir the mixture vigorously with the spoon. They also add a dollop of a yellow condiment (likely mustard) from a jar. This mixing process continues for an extended duration, ensuring the ingredients are well-emulsified. Visible text on a red box on the shelf reads \"22cm x 20m\" and \"25\", along with Japanese characters \"\u304f\u3064\u304c\u3048\u306a\u3044\u30cd\u30a4\u30eb\".\n\n**435-480s:** The person picks up the beige bowl containing the sliced onions. They pour the onions into the small white bowl with the prepared dressing. Using the spoon, they toss and mix the onions with the sauce, coating them evenly. The video concludes with the person continuing to mix the salad.", "questions": [{"question": "After I brought the yellow-capped bottle, the tube of paste, and the oil out of the refrigerator, what was the first ingredient I added to the dressing in the small white bowl?", "options": ["A. the oil poured from the large clear bottle into the dressing", "B. the yellow condiment spooned from the jar into the mixture", "C. the paste squeezed from the tube directly into the bowl", "D. the liquid poured from the green bottle into the metal measuring spoon"], "answer": "D", "evidence": "I poured liquid from a green bottle into a metal measuring spoon and added it to the bowl, then squeezed the paste into the mixture.", "timestamps": "270-330s and 330-435s"}, {"question": "What was the purpose of the small white bowl that I scrubbed under the tap?", "options": ["A. To hold the sliced onion rings until they were added to the dressing.", "B. To rinse the leafy greens under the running tap.", "C. To place the green cylindrical container on the high wooden shelf.", "D. To mix the dressing and then toss the onion rings into it."], "answer": "D", "evidence": "They mix the dressing in the small white bowl and later pour the sliced onions into it to toss.", "timestamps": "210-270s and 330-435s"}, {"question": "After I had finished slicing the onion into rings on the cutting board, I later prepared a dressing in the small white bowl. Which ingredient did I add first to that dressing?", "options": ["A. The liquid from the green bottle, poured into a metal measuring spoon.", "B. The paste squeezed from the tube of ginger or garlic into the bowl.", "C. The oil from the large clear bottle, poured into the mixture.", "D. The yellow mustard from a jar, added as a dollop to the dressing."], "answer": "A", "evidence": "They pour liquid from a green bottle into a metal measuring spoon and add it to the bowl.", "timestamps": "45-135s (slicing) and 330-435s (dressing preparation)"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "695d8b6a-6e01-48ae-b585-ecfcf6a3790b", "description": "0-35s: The video opens on a kitchen counter with a stainless steel sink, a dish rack holding clean dishes, and various ingredients. A person takes a large black pot from the stovetop, fills it with water from the tap, and places it back on the burner to heat up. They then cover the pot with a glass lid.\n\n35-120s: The person retrieves an egg from a lower cabinet or drawer. They take a small white bowl from the dish rack and crack the egg into it. Using chopsticks, they whisk the egg thoroughly. An orange packet of seasoning is opened, and its contents are set aside on the counter.\n\n120-240s: The person washes a white electric kettle in the sink and refills it with water. They move to a rice cooker located under the counter, open it, and scoop out cooked white rice using a rice paddle. Back at the stove, they pour cooking oil from a clear bottle into a frying pan. Once the oil is hot, they pour in the whisked egg and scramble it with chopsticks.\n\n240-360s: The cooked rice is added to the frying pan with the scrambled eggs. The person uses a wooden spatula to mix the rice and egg together. They then retrieve a block of instant ramen noodles from a package and place it into the large pot of boiling water on the adjacent burner. A bag of frozen mixed vegetables, labeled \"\u4e94\u76ee\u91ce\u83dc\u7092\u3081\u30bb\u30c3\u30c8\" (Gomoku Yasai Itame Set - Mixed Vegetable Stir-fry Set), is opened and added to the pot with the noodles.\n\n360-480s: The person adds a yellow condiment, likely mayonnaise, from a squeeze bottle to the fried rice mixture. They continue to stir-fry the rice and egg. Finally, they take the previously opened orange seasoning packet and sprinkle its contents over the fried rice, mixing it in thoroughly with the wooden spatula until the dish is complete.", "questions": [{"question": "Earlier I filled the large black pot with water and heated it. What did I do with the glass lid that I had placed on the pot?", "options": ["A. I removed it before adding the noodles and vegetables.", "B. I kept it on while the water boiled to speed up heating.", "C. I used it as a cover for the frying pan with the rice.", "D. I washed it in the sink along with the electric kettle."], "answer": "A", "evidence": "The person covers the pot with a glass lid after filling it with water. Later, they place noodles and vegetables into the pot, which requires removing the lid.", "timestamps": "0-35s and 240-360s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "6b92c1bc-488b-40bb-bd4d-dcf7e08007c7", "description": "0-24s: The video begins with a first-person view inside a dimly lit stairwell. The person is holding a flattened cardboard box and walks down the stairs, passing a closed brown door, and exits through an exterior door into a parking lot.\n\n24-75s: Outside in the wet parking lot, the person approaches three large green recycling bins with yellow lids. They open one of the bins, which has a \"RECYCLING ONLY\" label, and dispose of the cardboard box inside. After closing the lid, they walk back towards the building entrance.\n\n75-138s: The person re-enters the building, goes back up the stairs, and walks down a hallway to their apartment, marked with the number \"208\". Upon entering the room, the camera pans around, showing a somewhat cluttered living space with a bed, a couch, and vertical blinds on the window.\n\n138-216s: The person moves around the room, briefly interacting with items near the wall before moving to a black desk. On the desk are various tools and components, including a \"SOLDERING IRON KIT\", pliers, scissors, and a nameplate that reads \"JAKE KERLING\". A drone frame is visible on the floor nearby.\n\n216-309s: Seated at the desk, the person begins working on a small electronics project. They unpack parts from a cardboard shipping box and a plastic bag. Using their hands, they manipulate small wires and electronic components, appearing to assemble or repair something related to the drone.\n\n309-480s: For the remainder of the video, the person continues to work intently at the desk. Their hands are busy connecting wires and handling small metallic parts. The workspace remains cluttered with the tools and components for the ongoing project as they focus on the assembly task.", "questions": [{"question": "After I disposed of the flattened cardboard box in the recycling bin, what did I do before I began working on the electronics project at the desk?", "options": ["A. I walked back to the building and climbed the stairs to my apartment", "B. I opened the bin labeled RECYCLING ONLY and placed the box inside", "C. I unpacked parts from a cardboard shipping box and a plastic bag", "D. I picked up the soldering iron kit and pliers from the black desk"], "answer": "A", "evidence": "After closing the lid, they walk back towards the building entrance. The person re-enters the building, goes back up the stairs, and walks down a hallway to their apartment.", "timestamps": "24-75s and 75-138s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "65f4337f-fa51-4c79-b1c2-ae469d9097bb", "description": "0-250s: The video opens with a first-person perspective of a person sitting on a grey, tufted sofa in a well-lit living room. The person is holding a white smartphone with both hands and is actively scrolling through a feed, likely a social media application or photo gallery, using their thumbs. They are wearing a black long-sleeved top, grey sweatpants, and a yellow lanyard with an ID badge around their neck. In front of them sits a round wooden coffee table containing several items: a red box with the text \"Jenga\" clearly visible, a white disposable coffee cup with a lid, a teal ceramic mug, a deck of playing cards, and a small wooden block. To the right, a smaller matching table holds another teal mug and a magazine. Large windows in the background reveal trees outside. At approximately 25 seconds, the camera angle shifts slightly, briefly revealing the person's face wearing dark sunglasses. The person continues to scroll through the phone for the duration of this segment.\n\n250-265s: The person stops interacting with the phone and the camera view lifts and pans away from the sofa. The perspective shifts to show the rest of the living room, including the large windows, a black television on a low dark cabinet, and the industrial-style ceiling with exposed pipes and lights. The person appears to be standing up and beginning to move.\n\n265-280s: The camera moves through a doorway into a hallway. On the left wall, a large mural featuring a pink circle and purple mountains is visible. The ceiling has long fluorescent lights. The person walks towards a room at the end of the hall.\n\n280-304s: The person enters a room that appears to be an office or storage area. Metal shelving units line the walls, holding various boxes and supplies. A woman with long blonde hair is standing near the entrance, looking towards the camera. Further into the room, a man is sitting at a white table. The camera then points downwards, showing the grey floor and the legs of another person wearing blue pants and bright yellow shoes. The video concludes with this view of the floor and the person's feet.", "questions": [{"question": "After I walked down the hallway past the wall mural and entered the room at the end, which person did I see last before the video ended?", "options": ["A. the woman with long blonde hair standing near the entrance of the room", "B. the man sitting at a white table farther inside the room", "C. the person wearing blue pants and bright yellow shoes in that room", "D. the person whose face appeared wearing dark sunglasses early on"], "answer": "C", "evidence": "The camera then points downwards, showing the grey floor and the legs of another person wearing blue pants and bright yellow shoes.", "timestamps": "265-280s and 280-304s"}, {"question": "After I stopped scrolling through the feed on my phone while sitting on the sofa, what did I see just before I moved through the doorway into the hallway?", "options": ["A. a large mural with a pink circle and purple mountains on the wall", "B. a black television on a low dark cabinet in the living room", "C. metal shelving units holding boxes and supplies in the office", "D. the grey floor and legs in blue pants and bright yellow shoes"], "answer": "B", "evidence": "The camera view lifts and pans away from the sofa... including the large windows, a black television on a low dark cabinet.", "timestamps": "0-250s and 250-265s"}, {"question": "Much later, after I had spent the first part of the video scrolling on the grey sofa, which feature in the final room matched the color of my sweatpants?", "options": ["A. the floor visible beneath the person in blue pants at the end", "B. the table where the man was seated when I entered the storage room", "C. the long hair of the woman who stood near the entrance of the room", "D. the shelves that lined the walls and held boxes and supplies"], "answer": "A", "evidence": "At 0-250s I wear grey sweatpants; at 280-304s the camera points down to show the grey floor and the legs of a person in blue pants.", "timestamps": "0-250s and 280-304s"}, {"question": "While I was on the sofa, I noticed my lanyard. Later, in the storage room, what color were the shoes of the person I saw, and what color was my lanyard?", "options": ["A. The shoes were bright yellow and my lanyard was yellow", "B. The shoes were white and my lanyard was grey", "C. The shoes were grey and my lanyard was blue", "D. The shoes were blue and my lanyard was white"], "answer": "A", "evidence": "Description states 'yellow lanyard' in the sofa segment and 'bright yellow shoes' in the storage room segment.", "timestamps": "0-250s and 280-304s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "6c2849cb-d6bb-432e-b4ae-8b8c4837ad8b", "description": "0-12s: The video opens with a close-up, first-person view of a bed covered in a colorful quilt featuring blue, red, and white paisley patterns. The camera pans around the bedroom, showing a wooden headboard, a desk by a window, and a dark-colored cube storage unit.\n\n12-36s: A person's hands enter the frame and begin making the bed. They adjust a green pillow and a plaid-patterned pillow against the headboard. After arranging the pillows, the person smooths out the patterned comforter over the mattress.\n\n36-72s: The person walks out of the bedroom and into a hallway, then enters a kitchen area. The camera shows a black cat sitting on the carpeted floor. The person approaches an open dishwasher, which is filled with clean dishes including white bowls and glasses.\n\n72-108s: The person unloads the dishwasher, taking items out and presumably putting them away (off-camera). They are seen handling various utensils and containers. After emptying the rack, they close the dishwasher door. The camera briefly shows the living room through the kitchen pass-through, revealing couches and windows.\n\n108-144s: The person moves back towards the bedroom. As they re-enter, a dog jumps onto the made bed. The person sits down on the edge of the bed next to the dog.\n\n144-216s: While sitting on the bed, the person pets the dog affectionately. They also hold and look at a smartphone. The dog lies down comfortably on the bed beside them. The scene is calm, focused on interacting with the pet.\n\n216-252s: The person gets up from the bed and walks over to the blue cube storage unit. They pull out one of the light-blue fabric bins from the bottom shelf. They then walk over to a closet, which contains hanging clothes and shelves with items like suitcases and baskets.\n\n252-288s: The person returns to the main area of the bedroom. They place some folded clothes or linens onto the bed. Finally, they sit back down on the bed, where the dog is still resting, and resume petting it as the video concludes.", "questions": [{"question": "After I smoothed the comforter over the mattress, where did I go, and what did I find there?", "options": ["A. went into the closet and found hanging clothes and shelves with suitcases", "B. went into the kitchen and found a black cat sitting on the carpeted floor", "C. went to the living room and found couches and windows through the pass-through", "D. went back to the bedroom and found a dog jumping onto the freshly made bed"], "answer": "B", "evidence": "smoothes out the patterned comforter over the mattress (12-36s); approaches an open dishwasher and shows a black cat sitting on the carpeted floor (36-72s)", "timestamps": "12-36s and 36-72s"}, {"question": "Before I walked to the cube storage to pull out the light-blue bin, what was I doing while sitting on the edge of the bed?", "options": ["A. smoothing the patterned comforter out over the mattress with both hands", "B. unloading the clean white bowls and glasses from the open dishwasher", "C. placing some folded clothes or linens onto the bed before sitting down", "D. petting the dog affectionately while holding and looking at a smartphone"], "answer": "D", "evidence": "While sitting on the bed, the person pets the dog affectionately. They also hold and look at a smartphone (144-216s); pull out one of the light-blue fabric bins from the bottom shelf (216-252s)", "timestamps": "144-216s and 216-252s"}, {"question": "Which did I do first: unload the dishwasher or retrieve the blue bin from the cube storage? And what was the dog doing when I did the second one?", "options": ["A. I unloaded the dishwasher first, and the dog was lying on the bed.", "B. I unloaded the dishwasher first, and the dog was jumping onto the bed.", "C. I retrieved the blue bin first, and the dog was lying on the bed.", "D. I retrieved the blue bin first, and the dog was jumping onto the bed."], "answer": "A", "evidence": "The dishwasher is unloaded at 36-108s, then the person returns to the bedroom at 108-144s where the dog jumps, but later at 216-252s the person retrieves the blue bin while the dog is resting on the bed.", "timestamps": "36-108s and 216-252s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "6b9efa86-2580-465b-89b9-877dbd18467c", "description": "0-15s: The video begins with a first-person view of a person wiping a square, light-colored wooden board with a white cloth. The board is placed on a beige carpet surrounded by black metal pipes and silver pipe fittings. To the right, a red can labeled \"MINWAX PRE-STAIN WOOD CONDITIONER\" is visible. The person wipes the right side of the board, making it appear slightly darker and wetter.\n\n16-45s: The camera pans down to the floor where various painting supplies are scattered, including foam brushes, a hammer, and open cans of dark stain. The person uses a tool to pry open a can of dark liquid stain. They then use a flat wooden stick to stir the contents of the can thoroughly.\n\n46-120s: After stirring, the person picks up a foam brush, dips it into the dark stain, and begins applying it to the right edge of the wooden board. They make long, vertical strokes, covering the rightmost third of the board with a thick, dark coat. The camera angle shifts slightly, showing the contrast between the raw wood, the pre-stained left side (which appears medium brown), and the newly painted dark right side.\n\n121-240s: The person continues to apply the dark stain to the right section of the board, ensuring even coverage. They occasionally dip the brush back into the can. The left side of the board remains a medium brown color, likely from the pre-stain conditioner applied earlier, while the middle section remains raw, light-colored wood.\n\n241-360s: The application of the dark stain continues on the right side. The person works methodically, filling in any missed spots and smoothing out the brush strokes. The dark stain contrasts sharply with the untreated wood in the center and the conditioned wood on the left.\n\n361-480s: The person finishes applying the dark stain to the right section. They set the brush down and pick up the white cloth again. They gently wipe the surface of the stained area, possibly to remove excess stain or smooth the finish. The final result shows the board with three distinct sections: a medium brown left side, a raw wood middle section, and a dark, almost black, right side. The person then closes the stain can and organizes the tools on the floor.", "questions": [{"question": "Earlier I was stirring the can of dark stain with a flat wooden stick, and I later used a foam brush to apply it. What did I do right after I set the brush down for good?", "options": ["A. picked up the white cloth and wiped the stained right section", "B. pried open the dark stain can with a metal tool from the floor", "C. stirred the can's contents again with the flat wooden stick", "D. closed the stain can and organized the tools on the floor"], "answer": "A", "evidence": "They set the brush down and pick up the white cloth again.", "timestamps": "16-45s (stirring) and 361-480s (setting brush down/picking up cloth)"}, {"question": "After I stirred the dark stain, I brushed it onto the right third only. What was the state of the middle section, and what was the state of the left section?", "options": ["A. middle took on a wet dark sheen and the left side also stayed raw", "B. middle stayed raw light wood and the left side had turned medium brown", "C. middle received the thick dark stain and the left side was still raw", "D. middle was covered in black pipes and the left side was wet from wiping"], "answer": "B", "evidence": "The left side of the board remains a medium brown color, likely from the pre-stain conditioner applied earlier, while the middle section remains raw, light-colored wood.", "timestamps": "16-45s (stirring) and 121-240s (state of board)"}, {"question": "Earlier I wiped the board with the white cloth, making the right side darker. After I finished staining the right third, I reached for that cloth again. What did I do with it, and what remained unchanged?", "options": ["A. applied pre-stain to the center and left the left side shiny", "B. scrubbed the black pipes and left the middle darkened", "C. wiped excess stain off the right side and left the middle raw", "D. polished the medium brown left and left the middle wet"], "answer": "C", "evidence": "The person wipes the right side of the board... making it appear slightly darker... They set the brush down and pick up the white cloth again. They gently wipe the surface of the stained area.", "timestamps": "0-15s (first wipe) and 361-480s (second wipe)"}, {"question": "After I pried open the dark stain can with a tool, I stirred it with a wooden stick before applying it to the board. Near the very end, after I had wiped the stained area, what was the appearance of the board's leftmost section?", "options": ["A. it turned dark black from the newly applied thick stain", "B. it remained pale and raw like the untouched center strip", "C. it was hidden beneath the black metal pipes and silver fittings", "D. it stayed a medium brown from the prior pre-stain treatment"], "answer": "D", "evidence": "the pre-stained left side (which appears medium brown)", "timestamps": "16-45s (prying open) and 361-480s (final appearance)"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "70bca8ea-cec6-49a2-b3fe-7690163e5511", "description": "0-60s: The video opens in a kitchen and dining area featuring wooden cabinetry and a sliding glass door covered by white vertical blinds. A person wearing a blue t-shirt and black shorts stands near the sliding door, while a second person in a white t-shirt stands further back in the kitchen area. The camera appears to be held by someone seated at a wooden dining table. Around the 45-second mark, the camera begins to move, panning right and exiting the kitchen space.\n\n60-120s: The camera operator ascends a carpeted staircase and enters a bedroom with green walls. High on the wall, a long wooden shelf displays several trophies and framed photographs. Below this, a smaller shelf holds miscellaneous items. A purple and yellow pennant with the text \"VIKINGS\" is hung above a doorway. A person in a blue t-shirt wearing large blue over-ear headphones stands in the room, while the person in the white t-shirt, now wearing dark sunglasses, stands in the doorway observing.\n\n120-180s: The person in the blue shirt reaches for a white plastic shopping bag resting on a dresser; the text \"SHEIN\" is visible on the bag. They handle the bag, appearing to inspect or unpack it. The person in the white shirt watches from the doorway. Subsequently, the person in blue picks up a long object that resembles a golf club and holds it while interacting with the person in white.\n\n180-240s: The camera pans to focus on a small wooden TV stand supporting a flat-screen television. A white Xbox game controller sits on the stand next to the TV, and a white game console is visible on the shelf below. The camera then returns to the person in the blue shirt, who is now standing in front of an open closet containing hanging clothes.\n\n240-300s: The person in the blue shirt stands within the closet area, looking through the hanging garments, which include yellow and blue shirts. The person in the white shirt remains in the room, leaning against the doorframe with arms crossed, observing the activity.\n\n300-360s: The person in the white shirt gestures with their hands while speaking. The camera continues to record the interaction in the green bedroom. The person in the blue shirt eventually steps out of the closet area.\n\n360-420s: The camera operator exits the green bedroom and enters an adjacent bedroom characterized by blue patterned wallpaper. This room contains a bed with a blue plaid comforter, a window with closed blinds, and a wooden dresser with a tall mirror leaning against the wall. The person in the white shirt is visible in the mirror's reflection, sitting on the floor near the dresser.\n\n420-480s: The camera focuses on the dresser in the blue bedroom. Several books are arranged on the surface; the spine of one book clearly reads \"THE CELLAR\". Framed photos and other small decorative items are also present on the dresser. The camera pans slightly, capturing the reflection of the person in the white shirt sitting on the floor in the mirror. The video concludes with a view of the bed and the window in the blue bedroom.", "questions": [{"question": "Earlier I was in the kitchen where the person in blue stood near the sliding door. What did I see him pick up later in the green bedroom?", "options": ["A. a white plastic shopping bag with a visible brand label", "B. a stack of hardcover books taken from a wooden dresser", "C. a purple and yellow pennant hanging above a doorway", "D. a long wooden object resembling a golf club"], "answer": "D", "evidence": "Subsequently, the person in blue picks up a long object that resembles a golf club. (120-180s)", "timestamps": "0-60s and 120-180s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "70a350cd-4f32-40ed-80dd-23a48e7c4e46", "description": "0-45s: The video begins with a first-person view of someone cooking at a stove. They are using a pair of silver kitchen scissors to cut pieces of browned meat or fish in a black non-stick frying pan. To the left, a small saucepan with a wooden handle contains a white liquid, possibly soup or milk. To the right, an orange plate holds sliced cucumbers and rolled eggplant. The person is wearing a blue and white striped shirt. After cutting the food, they use wooden chopsticks to move the pieces around in the pan.\n\n45-120s: The person lifts the frying pan from the stove and moves it to the stainless steel sink. They turn on the faucet, which has a white water filter attachment, and rinse the pan. They then use a yellow sponge to scrub the inside of the pan under running water. After rinsing the pan, they wash the wooden chopsticks and the glass lid of the pan. The pan is then placed back on the counter next to the stove.\n\n120-200s: The person returns to the stove area. The black frying pan is back on the burner, containing a few pieces of the cooked meat. They pick up the orange plate and use the silver scissors to cut the remaining food on the plate into smaller pieces. This action is repeated several times, focusing on cutting the meat and vegetables on the plate.\n\n200-270s: The person begins transferring the food from the orange plate into the frying pan. They use the chopsticks to pick up the cut meat and vegetables and place them into the pan with the existing pieces. Once the food is in the pan, they reach for a clear plastic container and scoop a white powder, likely salt or sugar, into the pan. Next, they pick up a bottle with a red cap and pour a liquid, possibly soy sauce or seasoning, into the pan. They follow this with another bottle, adding more liquid seasoning.\n\n270-443s: The person uses the wooden chopsticks to stir-fry the mixture in the pan. They continuously move the meat and vegetables around, ensuring they are evenly coated with the sauce and cooked thoroughly. The food sizzles in the pan as they cook. They occasionally pause to check the food or adjust the pieces. The video ends with the person still stir-frying the dish.", "questions": [{"question": "Earlier I had cut pieces of meat in the frying pan, but after washing the pan I cut something else. What did I cut with the scissors the second time, and what did I use to move those pieces into the pan?", "options": ["A. I cut the remaining food on the orange plate and moved it with the wooden chopsticks", "B. I cut the sliced cucumbers on the plate and moved them with the yellow sponge", "C. I cut the rolled eggplant on the plate and moved it with the clear plastic container", "D. I cut the pieces of meat in the pan and moved them with the silver scissors"], "answer": "A", "evidence": "The person picks up the orange plate and uses the silver scissors to cut the remaining food on the plate into smaller pieces, then uses chopsticks to transfer the cut food into the frying pan.", "timestamps": "120-200s and 200-270s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "70fadb63-fbc0-4145-85c2-5724fc639b60", "description": "0-60s: The video opens at an art station featuring a white table covered with art supplies, including tubes of paint, brushes, and colored pencils. A large, blank white canvas stands on an easel, while a finished abstract painting with blue, black, and white swirls leans against the wall to the right. A person wearing sunglasses and a black shirt enters the frame from the left, holding a small white packet. The camera pans right to reveal three posters taped to the wall: \"The Great Wave off Kanagawa,\" a \"SOLAR SYSTEM\" chart, and two \"We Can Do It!\" posters. The camera zooms in on the \"SOLAR SYSTEM\" poster, where a hand points to the planets, specifically tracing the orbit near Mars and Jupiter.\n\n60-120s: The camera moves to a white bookshelf filled with various books. The person reaches out and pulls out a yellow book with the title \"RED MEAT\" visible on the cover. They flip through the pages briefly, examining the content, before placing the book back on the shelf in its original spot.\n\n120-180s: The view shifts to a living area containing a grey sofa adorned with red and white pillows. A lamp with a beige shade sits on a side table next to the sofa. The camera briefly captures a door with a printed sign reading \"Light Bar.\" The person is then seen sitting on the sofa, holding a silver foil snack packet. The camera pans around the room, showing a glass coffee table with items on it and two white poufs on the floor.\n\n180-240s: The person stands up and walks towards a corner by the window. A tall green plant in a white pot and a pet bed are visible in this corner. The person interacts with a small potted plant placed on the windowsill.\n\n240-300s: The camera focuses on the pet bed where a stuffed panda toy is lying. The person picks up the panda toy and holds it up towards the camera. The camera then pans to the window, showing a view of trees and a parking lot outside.\n\n300-360s: The scene moves to a kitchenette area situated by the window. On a white counter, there is a black coffee maker, two teal mugs, a roll of paper towels, and cleaning supplies. The person pours water from a glass carafe into the coffee maker, preparing to brew coffee.\n\n360-420s: The camera pans to a bedroom area visible through an opening. A bed with white and gold patterned bedding is shown. A full-length mirror reflects the room, revealing a yellow exercise ball on a bench nearby. The camera then shows a blue sofa with white pillows in another part of the room, distinct from the earlier grey sofa.\n\n420-480s: The final segment shows a clothing rack with various shirts hanging on it, including a striped shirt and a floral top. Next to it stands a black woven room divider. The person stands near the clothes rack, talking to the camera, concluding the video in this area.", "questions": [{"question": "After I interacted with the small potted plant, which object did I handle next?", "options": ["A. the stuffed panda from the pet bed", "B. the silver foil snack packet from the sofa", "C. the yellow book from the bookshelf", "D. the glass carafe from the kitchenette"], "answer": "A", "evidence": "At 180-240s, I interacted with a small potted plant on the windowsill. At 240-300s, I picked up the stuffed panda toy from the pet bed.", "timestamps": "180-240s and 240-300s"}, {"question": "After I sat on the grey sofa with a snack, which action did I take before I picked up the stuffed panda?", "options": ["A. interacting with the small potted plant on the windowsill", "B. pouring water from the glass carafe into the coffee maker", "C. flipping through the pages of the yellow book", "D. pointing at the orbit between Mars and Jupiter on the solar system poster"], "answer": "A", "evidence": "The person stands up and walks towards a corner by the window. A tall green plant in a white pot and a pet bed are visible in this corner. The person interacts with a small potted plant placed on the windowsill.", "timestamps": "120-180s (sofa) and 240-300s (panda); the asked action is 180-240s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "72aeccbb-d84f-4d09-a103-f24e37218b52", "description": "0-145s: The video opens with a first-person view of a person stir-frying chopped vegetables (green peppers, mushrooms, and light-colored pieces resembling cabbage or onion) in a black frying pan on a gas stove. Using wooden chopsticks, the person actively stirs the ingredients. To the left, on the counter, is a white cutting board with a knife, a clear plastic bag containing raw, cubed red meat, and a white bowl that already contains some cooked green vegetables. A silver kettle sits on an unlit burner behind the pan. The digital timer on the white cabinet to the left reads \"12:31\".\n\n145-270s: After removing the cooked vegetables from the pan into the white bowl, the person begins adding the raw, cubed red meat from the plastic bag into the hot pan using the chopsticks. They place the meat cubes one by one until all are transferred from the bag to the pan. The meat starts to cook, changing color from bright red to brown as it sears.\n\n270-360s: With all the meat in the pan, the person uses the chopsticks to move the cubes around, ensuring they cook evenly on all sides. The camera briefly pans away to show a set of three metal recycling bins before returning to the cooking action. The meat continues to brown in the pan.\n\n360-405s: The person picks up a small, dark brown sauce packet from the cutting board. They tear it open with their hands over the sink area and then squeeze its contents directly onto the sizzling meat in the pan. The sauce creates a bubbling glaze around the meat cubes. After emptying the packet, they discard it.\n\n405-480s: The person uses the chopsticks to thoroughly mix the meat with the newly added sauce, coating each piece. Once mixed, they lift the pan off the burner and carefully pour the saucy meat over the previously cooked vegetables in the white bowl, completing the dish. The final shot shows the finished meal in the bowl next to the now-empty pan.", "questions": [{"question": "After I had poured the saucy meat into the bowl, what was the first ingredient I had cooked in that same frying pan?", "options": ["A. the stir-fried mixture of green peppers, mushrooms, and cabbage", "B. the raw cubed red meat that came from the clear plastic bag", "C. the dark brown sauce that I squeezed from the small packet", "D. the frying pan that was completely empty at that time"], "answer": "A", "evidence": "The video opens with stir-frying chopped vegetables in the pan, and later the saucy meat is poured over the cooked vegetables in the bowl.", "timestamps": "0-145s and 405-480s"}, {"question": "Before I added the dark sauce, what was in the frying pan, and what did I do with the pan immediately after adding the sauce?", "options": ["A. the raw meat cubes, and I lifted the pan off the burner", "B. the raw meat cubes, and I mixed them with the sauce", "C. the stir-fried vegetables, and I mixed them with the sauce", "D. the empty pan, and I added the raw meat cubes"], "answer": "B", "evidence": "The raw meat is placed in the pan and cooked; after squeezing the sauce onto the meat, the person mixes the meat with the sauce using chopsticks.", "timestamps": "145-270s and 405-480s"}], "n_frames_described": 100, "rejected_blind": 8, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "73bd161d-7f48-4353-8717-41ad28c3ed41", "description": "0-45s: The video opens with a first-person view of someone chopping green vegetables on a white cutting board. To the left is a stainless steel sink, and to the right is a black gas stovetop with a blue pot on it. A package of raw chicken sits near the sink. After chopping, the person transfers the greens into a large metal bowl. They then take the knife to the sink and rinse it under running water before placing it back on the counter.\n\n45-137s: The person walks over to a drawer next to a rice cooker, opens it, and retrieves a white mandoline slicer. Returning to the prep area, they pick up a whole daikon radish, cut off a section with the knife, and begin slicing it thinly using the mandoline directly over the metal bowl containing the chopped greens. Once finished, they place the remaining radish and the mandoline on the cutting board.\n\n137-206s: The person takes the bowl of sliced vegetables to the sink. They turn on the faucet and rinse the contents, using their hands to agitate the vegetables in the water. They then pour the water out through a colander insert, leaving the washed vegetables in the bowl. The empty colander and bowl are placed side-by-side in the sink.\n\n206-289s: The person moves to the stove and checks the blue pot, which appears to contain boiling water. They walk to the refrigerator, open it, and retrieve a plastic-wrapped carton of eggs. Back at the counter, they use a ladle to carefully lower two eggs into the boiling water. After setting the timer on the wall (visible as \"42\" minutes), they open a drawer below the stove and take out a black frying pan, placing it on an adjacent burner.\n\n289-364s: The person opens another drawer filled with cooking oils and sauces, selecting a bottle of oil and placing it on the counter. They then pick up the package of raw chicken wings, remove the plastic wrap, and use chopsticks to transfer each piece from the packaging into the now-heating frying pan.\n\n364-409s: After all the chicken is in the pan, the person disposes of the empty styrofoam tray and plastic wrap into a bag. They wash their hands thoroughly at the sink, dry them with a towel hanging nearby, and return to the stove to tend to the cooking chicken, using the chopsticks to arrange the pieces in the pan for even cooking.", "questions": [{"question": "Before I sliced the daikon, where had I placed the knife after rinsing it?", "options": ["A. I placed it on the cutting board with the greens.", "B. I placed it in the sink under the faucet.", "C. I placed it on the counter beside the sink.", "D. I placed it in the drawer below the stove."], "answer": "C", "evidence": "They then take the knife to the sink and rinse it under running water before placing it back on the counter.", "timestamps": "0-45s and 45-137s"}, {"question": "After I rinsed the sliced vegetables, what did I do with the colander, and what had I done with the knife before that?", "options": ["A. placed it on the counter; used it to slice daikon", "B. placed it on the cutting board; used it to chop greens", "C. placed it in the drawer; used it to cut chicken", "D. placed it in the sink; rinsed it under the tap"], "answer": "D", "evidence": "After rinsing, the empty colander and bowl are placed side-by-side in the sink. Earlier, the knife is rinsed under running water before being placed back on the counter.", "timestamps": "137-206s (rinsing and colander) and 0-45s (knife rinsing)"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "757ba72f-cc67-4c0b-89aa-f8258a81afde", "description": "0-45s: The video begins with a view of a kitchen sink area. A person's hands are visible as they handle a clear plastic bag, which they then place on the counter next to a white cutting board and a knife. The sink contains various items including a pot, a ladle, and a strainer. The person turns on the faucet and begins washing their hands under the running water.\n\n45-90s: After washing their hands, the person picks up a sponge and starts cleaning the inside of the pot in the sink. They scrub the pot thoroughly, ensuring it is clean. Once done, they rinse the pot under the running water and set it aside. Next, they pick up the cutting board and begin to wash it, using the same sponge to scrub its surface.\n\n90-135s: With the cutting board cleaned, the person places it back on the counter. They then proceed to wash the knife, holding it under the running water and scrubbing it with the sponge. After rinsing the knife, they set it down on the cutting board. The person then picks up the ladle and washes it similarly, ensuring all utensils are clean before placing them back in the sink or on the counter.\n\n135-180s: The person continues by washing any remaining items in the sink, such as the strainer and any other small utensils. Each item is scrubbed with the sponge and rinsed under the running water. Once everything is clean, they turn off the faucet and dry their hands with a towel hanging nearby.\n\n180-225s: The scene shifts slightly as the person moves towards the stove. They pick up a pot from the stove and check its contents. Satisfied, they place the pot back on the burner and adjust the heat setting. The person then reaches for a bottle of oil on the counter and pours some into the pot, preparing to cook.\n\n225-270s: Next, the person takes a package of food from the refrigerator. They open the package and carefully pour its contents into the pot on the stove. Using chopsticks, they stir the mixture to ensure even cooking. The person appears focused on the task, occasionally checking the consistency of the food.\n\n270-315s: As the food cooks, the person prepares additional ingredients. They take another vegetable from the counter and begin chopping it on the cutting board. The chopped pieces are added to the pot, and the person continues to stir the mixture. The aroma of the cooking food fills the air, indicating that the meal is coming along well.\n\n315-360s: The person adds more seasonings to the pot, enhancing the flavor of the dish. They continue to stir the contents, ensuring that all the ingredients are well combined. The camera captures close-up shots of the food sizzling in the pot, highlighting the cooking process.\n\n360-405s: With the main components of the dish prepared, the person steps back to assess their work. They appear satisfied with the progress and make final adjustments to the seasoning. The camera pans around the kitchen, showing the organized workspace and the various tools used during the preparation.\n\n405-450s: The person then moves to the dining table, where they set out plates and utensils for serving. They bring the cooked dish from the stove to the table, placing it in the center. The family gathers around, ready to enjoy the meal together. The atmosphere is warm and inviting, reflecting the effort put into preparing the dish.\n\n450-480s: Finally, the person serves the food onto each plate, ensuring everyone has an equal portion. They sit down with the family, and the meal begins. The camera captures moments of conversation and enjoyment, emphasizing the shared experience of eating together. The video concludes with the family finishing their meal, expressing satisfaction and contentment.", "questions": [{"question": "After I had placed the clean cutting board on the counter, where did I later set the pot when I checked its contents?", "options": ["A. In the sink", "B. On a burner", "C. On the table", "D. On the cutting board"], "answer": "B", "evidence": "90-135s: placed the washed cutting board on the counter. 180-225s: picked up the pot from the stove, checked its contents, and adjusted the heat.", "timestamps": "90-135s and 180-225s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "75f1bd0f-b6c2-4688-84dd-7e8f4418b8d7", "description": "0-45s: The video begins with a view of a kitchen counter. A person's hands enter the frame and begin preparing raw chicken, which is in a clear plastic tray. They season the chicken by shaking a green-capped spice container over it and then rubbing the seasoning into the meat with their fingers. Afterward, they place a black frying pan on an induction cooktop to the left.\n\n45-135s: The person pours cooking oil from a large, translucent bottle into the pan. They then move to the sink area, retrieve a head of lettuce from a plastic bag, and wash it thoroughly under running water in the stainless steel sink. The washed lettuce is placed in a white colander. Next, they take a red tomato and a knife from a metal holder and begin chopping the tomato on a wooden cutting board.\n\n135-270s: After dicing the tomato, the person places some of it onto two separate plates that already contain pieces of lettuce. They then pick up a white daikon radish and a white mandoline slicer. Using the mandoline, they slice the radish directly onto one of the plates, creating thin strips for the salad.\n\n270-360s: The focus shifts back to the stove. The person uses chopsticks to place the seasoned chicken pieces into the hot, oiled pan. They cover the pan with a glass lid to let the chicken cook. While the chicken cooks, they prepare a dipping sauce in a small white bowl, pouring soy sauce from a bottle labeled \"Kikkoman\" (\u30ad\u30c3\u30b3\u30fc\u30de\u30f3) and adding other ingredients before mixing them with chopsticks.\n\n360-480s: The person checks on the chicken, lifting the lid and using chopsticks to flip the pieces over as they brown. Once cooked, they use the chopsticks to remove the chicken from the pan and place it onto a rectangular white plate lined with a paper towel to drain excess oil. Finally, they use a piece of paper towel held by the chopsticks to wipe the inside of the now-empty frying pan clean.", "questions": [{"question": "When I finally turned back to the stove to add the chicken to the hot pan, which one of these earlier tasks had I most recently completed, and what did I use for it?", "options": ["A. I seasoned the raw chicken with the green-capped spice container", "B. I poured the cooking oil from the large translucent bottle into the pan", "C. I chopped the red tomato with a knife from the metal holder", "D. I sliced the white daikon radish with the white mandoline slicer"], "answer": "D", "evidence": "After dicing the tomato and placing it on the plates, I sliced the white daikon radish directly onto one plate with the mandoline. Then I shifted back to the stove and used chopsticks to place the seasoned chicken into the hot oiled pan.", "timestamps": "135-270s and 270-360s"}, {"question": "While the chicken was cooking under the glass lid, I stayed at the counter; what task was I doing there?", "options": ["A. I was preparing the dipping sauce in the small white bowl with soy sauce and mixing it", "B. I was arranging the cooked chicken on the paper-towel-lined white plate", "C. I was making the salad with the tomato pieces and radish strips", "D. I was wiping the inside of the frying pan clean with a paper towel"], "answer": "A", "evidence": "After covering the pan with the glass lid, I prepared a dipping sauce in a small white bowl, pouring soy sauce from the labeled bottle and mixing the ingredients with chopsticks.", "timestamps": "270-360s"}, {"question": "After the chicken pieces had finished cooking and browned on both sides, what did I do with them first?", "options": ["A. I flipped the browning chicken pieces over with the chopsticks", "B. I covered the pan with the glass lid to keep the chicken cooking", "C. I lifted the cooked chicken from the pan onto a paper-towel-lined plate", "D. I poured the soy sauce into the small bowl and mixed the dipping sauce"], "answer": "C", "evidence": "Once the chicken was cooked, I used chopsticks to remove it from the pan and placed it onto a rectangular white plate lined with paper towel to drain excess oil.", "timestamps": "360-480s"}, {"question": "After I had taken all of the cooked chicken out of the frying pan and set it aside, what did I do with the now-empty pan?", "options": ["A. I placed the black frying pan on the induction cooktop at the start", "B. I wiped the inside of the empty pan with a paper towel held by chopsticks", "C. I poured the cooking oil from the large translucent bottle into the pan", "D. I covered the frying pan with the glass lid while the chicken cooked"], "answer": "B", "evidence": "Finally, I used a piece of paper towel held by chopsticks to wipe the inside of the now-empty frying pan clean.", "timestamps": "360-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "751201ad-5397-4956-a4f2-d73fb969b6c5", "description": "0-15s: The video opens with a first-person view of a person kneeling on a concrete workshop floor next to a yellow and black walk-behind plate compactor. Various tools are scattered nearby, including wrenches, pliers, screwdrivers, a green impact driver, and a red impact driver. A grey rag and a metal guard lie on the floor. The person reaches for a tool near their right foot.\n\n15-45s: The person uses their hands to work on the engine area of the compactor, specifically around the pull-start housing. They appear to be trying to remove or adjust a component by hand, wiggling it back and forth. Their left hand holds part of the machine steady while their right hand manipulates the part.\n\n45-75s: After failing to remove the part by hand, the person picks up a spray can with a yellow cap and a long nozzle (likely a lubricant like WD-40). They spray the mechanism they were working on. Following this, they attempt to pull the starter cord several times, but it seems stuck or difficult to pull.\n\n75-105s: The person continues to struggle with the starter cord, pulling it repeatedly without success. They then set the spray can down and use both hands to try and free the mechanism again, applying force directly to the component.\n\n105-135s: Still unable to fix the issue, the person gets up and moves towards a large black tool chest. They open a drawer filled with screwdrivers and select one with an orange and black handle. Returning to the compactor, they use the screwdriver to pry at or manipulate the same area near the pull-start housing.\n\n135-165s: The person continues using the screwdriver on the engine. They then switch tactics, grabbing the main handle of the compactor and attempting to lift or shift the entire machine slightly, possibly to get better access or to check its stability.\n\n165-195s: The focus shifts to the fuel tank. The person unscrews the silver fuel cap and sets it aside. They then pick up a small, cylindrical metal object from the floor (possibly a new spark plug or filter) and examine it before setting it down. They proceed to look inside the open fuel tank.\n\n195-225s: Using a flashlight, the person inspects the interior of the fuel tank. Afterward, they pick up the small metal cylinder again and seem to prepare to insert it into the tank or another part of the engine. They then reattach the fuel cap.\n\n225-255s: The person picks up the red impact driver from the floor. They then grab the large, curved metal guard that was lying nearby earlier. They position the guard over the belt/pulley system at the base of the compactor's engine.\n\n255-285s: With the guard in place, the person uses the red impact driver to fasten it to the machine. They secure bolts on either side of the guard, tightening them with the power tool. Once the guard is attached, they set the impact driver down.\n\n285-315s: The person sits back, appearing to assess their work. They then reach for a different set of tools on the floor, including wrenches and pliers. They stand up and walk over to a corner of the workshop where hoses and a fire extinguisher are mounted on the wall.\n\n315-345s: The person disconnects a hose from a wall-mounted air compressor fitting. They carry the hose back towards the plate compactor, which is now positioned on a red vehicle lift. They begin to clean the top of the engine and fuel tank area with a cloth.\n\n345-380s: The person continues cleaning the engine area thoroughly with the cloth, wiping away dirt and grime. They pay close attention to the surfaces around the fuel tank and engine block, preparing the machine for further maintenance or testing. The video ends as they are still cleaning.", "questions": [{"question": "Before I fetched the orange-handled screwdriver from the black tool chest, after my first hand attempts failed, what had I already done to try to fix the compactor?", "options": ["I sprayed the pull-start mechanism with a yellow-capped lubricant and pulled the starter cord.", "I fastened the curved metal guard over the belt system with the red impact driver.", "I removed the silver fuel cap and inspected the fuel tank with a flashlight.", "I disconnected the air hose from the wall and wiped the engine with a cloth."], "answer": "A", "evidence": "I sprayed the pull-start mechanism with lubricant and pulled the starter cord several times; afterward I went to the black tool chest and selected the orange-and-black screwdriver.", "timestamps": "45-75s and 105-135s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "7beacb8f-072e-4334-8efa-4f64233b89e1", "description": "0-15s: The video begins in a dark room, with the camera panning across what appears to be a desk area. A woven window blind is partially visible, letting in a sliver of bright light. On the desk, several items are identifiable: a lanyard, a small blue and white case, a cup holding pens and pencils, and a wristwatch.\n\n15-45s: The camera moves away from the desk, showing a dark wooden bookshelf with various items on its shelves. It then pans across the room, revealing a framed picture of a bull's skull on another piece of furniture, before moving towards a doorway. The camera exits the room into a hallway with cream-colored walls and a tiled floor featuring a brown and white diamond pattern.\n\n45-90s: The person walks through the hallway, passing an open door that leads back into the initial room. They continue down the hall, which has multiple doorways leading to other rooms. The camera briefly shows a view into a living/dining area with a round table and blue chairs before turning into a kitchen.\n\n90-135s: Inside the kitchen, a woman with blonde hair, wearing a black tank top and black pants, is present. The kitchen has wooden cabinets, a white stove, and a dishwasher with its door open. Pots are on the stovetop. The camera focuses on a countertop laden with a large bowl of apples and oranges. The woman moves around the kitchen, opening a cabinet above the counter.\n\n135-180s: The camera continues to film the kitchen environment, showing the woman near the sink area by a window. Outside the window, greenery is visible. Several potted plants sit on the windowsill. The camera zooms in on these plants, including a basil plant in a clear plastic container and another plant growing in a green glass bottle.\n\n180-225s: The scene shifts as the camera leaves the kitchen and enters a laundry room. This room contains a white washing machine and a matching dryer. Clothes are piled on top of the dryer. On the floor next to the machines are two bottles of liquid detergent; one is clearly labeled \"Persil\". The camera holder picks up some clothes from a pile on the floor.\n\n225-270s: The person begins loading dark-colored clothing items into the top-loading washing machine. An orange towel is draped over the edge of a nearby utility sink. The camera angle is low, looking down into the machine as it's being filled.\n\n270-320s: After loading the clothes, the person places a yellow and black tennis racket bag on top of the washing machine. The camera remains focused on the laundry area, showing the tiled walls and the top of the appliances.\n\n320-360s: The person continues to interact with the laundry area, picking up more items from the floor and placing them into the washing machine. The movements are repetitive, suggesting the process of sorting and loading a full load of laundry.\n\n360-410s: The camera provides close-up views of the washing machine's control panel and the clothes inside. The person adjusts the settings on the machine. The focus remains tightly on the task at hand within the confined space of the laundry room.\n\n410-473s: In the final segment, the person finishes loading the last few items, including a black mesh garment bag, into the washing machine. The camera lingers on the now-full machine before the video ends. No further actions like adding detergent or starting the cycle are shown.", "questions": [{"question": "After I placed the blue and white case on the desk, what did I do with the handwashing cream I later picked up in the hallway?", "options": ["A. I rubbed the cream into my hands before entering the kitchen area", "B. I set the cream down on the round table with the blue chairs", "C. I carried the cream to the laundry room and left it on the dryer", "D. I opened the cream and applied it to the basil plant leaves"], "answer": "A", "evidence": "The blue and white case is on the desk at 0-15s. In the hallway at 45-90s, the person performs a handwashing gesture before entering the kitchen.", "timestamps": "0-15s and 45-90s"}, {"question": "Before I loaded the washing machine, I draped an orange towel over the utility sink. What did I do with that towel after I finished loading the machine?", "options": ["A. I placed the orange towel in the washing machine with the dark clothes", "B. I folded the orange towel and set it on top of the dryer", "C. I used the orange towel to wipe the washing machine's control panel", "D. I left the orange towel draped over the utility sink until the video ended"], "answer": "D", "evidence": "The orange towel is draped over the utility sink at 225-270s. The video ends at 473s with no further action involving the towel.", "timestamps": "225-270s and 410-473s"}, {"question": "After I entered the laundry room, what did I do with the orange towel that was draped over the utility sink?", "options": ["A. I picked it up and placed it on the dryer", "B. I used it to wipe down the washing machine", "C. I left it draped over the utility sink", "D. I put it into the washing machine with the dark clothes"], "answer": "C", "evidence": "An orange towel is draped over the edge of a nearby utility sink. No action involving the towel is shown.", "timestamps": "180-225s (laundry room entry) and 225-270s (towel visible)"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "76a0b8a7-b333-4255-9dec-6002feccf36d", "description": "0-15s: The video opens with a view of a commercial kitchen counter. On the stainless steel surface, there is a digital scale, a blue-lidded container, and a large can of tomato sauce. A person wearing blue gloves brings a white tub into frame, which contains bags of frozen spinach. Two flattened dough bases are on wooden boards; one is already covered with triangular pieces of cheese.\n\n15-48s: The person takes handfuls of frozen spinach from the white tub and distributes it over the cheese-topped dough. They then move to the second dough base, which also has cheese on it, and begin adding chopped broccoli florets from another container. Afterward, they take dark olives from a small blue container and scatter them over both pizzas.\n\n48-72s: Using a spoon, the person scoops red tomato sauce from the large can and spreads it over the toppings on both pizzas. They then pick up a dark green bottle, likely containing olive oil, and drizzle its contents over the prepared pizzas.\n\n72-96s: The scene shifts to a large, multi-deck industrial oven. The person uses a long-handled metal peel to remove several golden-brown baguettes from the hot oven, placing them into a white plastic basket on the floor. They use the peel to clear out any remaining crumbs or debris from the oven's interior before setting the tool aside.\n\n96-130s: Returning to the prep station, the person begins preparing more dough. They take a ball of white dough, flatten it by hand on the floured countertop, and then use a wooden rolling pin to roll it into a thin, circular shape. This new piece of dough is then carefully lifted and placed over the toppings on one of the pizzas, covering it completely. They repeat this process with a second, darker-colored ball of dough, rolling it out and placing it over the other pizza.\n\n130-165s: With both pizzas now topped and covered with a layer of dough, the person meticulously seals the edges. They pinch and fold the perimeter of the top dough layer onto the bottom layer, creating a thick, braided crust around each pie. Once sealed, they use their fingers to poke a small hole in the center of each pastry to allow steam to escape during baking.\n\n165-192s: The person picks up the wooden board holding one of the sealed pastries and carries it over to the industrial oven. They skillfully slide the pastry off the board and directly onto the hot stone inside the oven. They repeat this action for the second pastry. Finally, they set a digital timer, which displays \"22:00\", and place it on the side of the oven. The video concludes as they grab the long-handled peel again, ready for the next task.", "questions": [{"question": "After I removed the golden-brown baguettes from the oven, what did I place on the side of the oven after sealing both pastries?", "options": ["A. a wooden rolling pin used earlier to flatten the white dough", "B. a digital timer set to twenty-two minutes positioned on the oven's side", "C. a blue-lidded container that held dark olives during topping", "D. a long-handled metal peel used to slide baguettes and pastries"], "answer": "B", "evidence": "The person sets a digital timer, which displays \"22:00\", and places it on the side of the oven.", "timestamps": "72-96s (baguette removal) and 165-192s (timer placement)"}, {"question": "After I removed the baguettes, what did I do with the second pastry before setting the timer?", "options": ["A. I placed it into the industrial oven to bake alongside the first", "B. I sealed its edges with a pinch-fold to create a braided crust", "C. I poked a hole in its center to let steam escape during baking", "D. I added broccoli florets to its cheese and spinach toppings"], "answer": "A", "evidence": "The person slides the second pastry off the board onto the oven stone, then sets the timer.", "timestamps": "72-96s (baguette removal) and 165-192s (placing second pastry and setting timer)"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "7db32b15-9ea6-4a44-a103-cc04471ce4f7", "description": "0-45s: The video opens on a cluttered kitchen counter. A black frying pan sits on an induction cooktop to the left of a stainless steel sink filled with dirty dishes in a grey dish rack. A white cutting board leans against the wall behind the rack. The person's hand enters the frame and presses a button on the cooktop, turning it on. They then reach up to a cabinet above the range hood and take down a small, round white plate, placing it on a paper towel on the counter next to the sink.\n\n45-120s: The person reaches for a clear plastic bottle of yellow cooking oil from the corner of the counter and pours some into the now-heating pan. After setting the oil down, they turn their attention to a silver refrigerator located to the right of the sink. They open the main door, revealing eggs in a carton on the door shelf and other items inside. They retrieve a styrofoam tray containing two slices of pink ham, labeled \"\u30cf\u30e0\" (Ham), and place it on the counter before closing the fridge.\n\n120-180s: With the ingredients ready, the person unwraps the ham and places both slices into the hot oil in the pan. They then go back to the refrigerator, open it again, and take out two white eggs. Returning to the stove, they crack the first egg directly into the pan beside the ham, followed by the second egg. The raw ingredients begin to sizzle in the pan.\n\n180-240s: The person picks up a small white bowl, fills it with water from the tap, and carefully pours the water into the pan around the food. Immediately after, they cover the pan with a glass lid to steam the contents. While the food cooks, they briefly interact with a microwave oven stacked on top of the refrigerator. They then move to the sink area and begin organizing the dish rack, moving a metal pot.\n\n240-360s: The person continues to wait as the food steams under the lid. They adjust the heat on the induction cooktop. At one point, the camera pans away from the kitchen, showing a messy living area with clothes hanging on a line and items scattered on the floor, before returning to the cooking scene. The person remains at the sink, occasionally touching items in the dish rack while monitoring the pan.\n\n360-420s: The cooking process is complete. The person removes the glass lid from the pan, releasing a cloud of steam. Using a black spatula, they skillfully slide the cooked ham and sunny-side-up eggs out of the pan and onto the white plate that was set out earlier. Once the food is plated, they take the dirty pan and the glass lid to the sink and begin washing them with a sponge under running water.\n\n420-480s: After rinsing the pan and lid, the person places them in the dish rack to dry. They then prepare the rest of the meal. They take a bowl of rice and use chopsticks to fluff it. Next, they open a package of pre-shredded coleslaw mix and pour it into another bowl. Finally, using chopsticks, they transfer the fried eggs and ham from the plate onto the bed of coleslaw, completing the dish assembly.", "questions": [{"question": "After setting the white plate on the paper towel, I made two trips to the refrigerator. Which item did I take out first, and what did I do with the plate after the meal was cooked?", "options": ["A. I took out the two eggs first, and I washed the pan in the sink.", "B. I took out the ham tray first, and I slid the meal onto the plate.", "C. I took out the oil bottle first, and I placed the plate back in the cabinet.", "D. I took out the rice bowl first, and I used the plate to cover the pan."], "answer": "B", "evidence": "The person takes down a small, round white plate... They retrieve a styrofoam tray containing two slices of pink ham... they slide the cooked ham and sunny-side-up eggs out of the pan and onto the white plate.", "timestamps": "0-45s and 360-420s"}, {"question": "After I added water to the pan and covered it with a glass lid, I waited for the food to cook. After I slid the food onto the plate, what did I do with the glass lid?", "options": ["A. I removed it to release the steam from the cooked food.", "B. I left it on to keep the food warm until I served it.", "C. I placed it on the counter to cool down before washing.", "D. I took it to the sink and washed it with a sponge."], "answer": "D", "evidence": "they take the dirty pan and the glass lid to the sink and begin washing them with a sponge under running water.", "timestamps": "180-240s and 360-420s"}, {"question": "Earlier I cracked two white eggs directly into the sizzling pan beside the ham. Much later, after I had washed the pan and lid, how did I complete the dish assembly with those eggs?", "options": ["A. I mixed the eggs into the bowl of rice using chopsticks.", "B. I placed the raw eggs back into the refrigerator for later use.", "C. I moved the fried eggs from the plate onto the bed of coleslaw.", "D. I served the eggs on the plate without any other additions."], "answer": "C", "evidence": "they transfer the fried eggs and ham from the plate onto the bed of coleslaw, completing the dish assembly.", "timestamps": "120-180s and 420-480s"}, {"question": "After I placed the ham slices into the pan, I retrieved two eggs from the refrigerator. What did I do with those eggs right after I retrieved them?", "options": ["A. I placed them on the white plate to garnish the dish.", "B. I beat them in a bowl with a fork before adding them.", "C. I stored them in the refrigerator for the next meal.", "D. I cracked them directly into the pan beside the ham."], "answer": "D", "evidence": "they take out two white eggs. Returning to the stove, they crack the first egg directly into the pan beside the ham, followed by the second egg.", "timestamps": "120-180s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "7ceebd7e-6b62-42b0-8138-62c15ddfe46c", "description": "0-45s: The video opens with a first-person view of someone washing dishes at an outdoor sink. A silver pressure cooker pot is being rinsed under running water from a tap labeled \"aiva\". To the right, a black frying pan and two white mugs sit on the tiled counter. The person finishes rinsing the pot, then washes the inside of one mug before placing it in a larger metal bowl to their left. They then rinse the pressure cooker lid.\n\n45-120s: The person continues washing, rinsing the pressure cooker lid thoroughly before setting it aside. They pick up the black frying pan and begin scrubbing it with a steel wool pad under the running water. After cleaning the pan, they wash a clear plastic container and a small blue cup. Finally, they rinse a red plastic measuring spoon. Once all items are clean, the person carries the stack of washed dishes away from the sink area.\n\n120-180s: The scene shifts to a dimly lit indoor kitchen. The person places the clean dishes onto a dark countertop next to other stainless steel pots and pans. They organize the items, stacking plates and bowls. The camera then shows them walking across the room, past a refrigerator, and back towards the sink area, indicating the dishwashing task is complete for now.\n\n180-270s: The person walks out of the house through a doorway into bright daylight. They approach a well covered by a blue mesh net. Using a thick rope attached to a bucket, they lower the bucket into the dark well. After letting it fill, they pull the heavy rope hand-over-hand to draw the bucket of water up from the well.\n\n270-360s: With the full bucket hoisted out of the well, the person carefully pours the water into a larger container below. They repeat this process, lowering the bucket again to fetch more water. This action is performed multiple times, suggesting a need for a significant amount of water. After collecting enough water, they secure the rope and walk back inside the house.\n\n360-420s: Back in the kitchen, the person retrieves a stainless steel bowl containing dry grains, likely rice or lentils. They take the bowl to the sink, turn on the tap, and begin washing the grains by swirling them with their hand in the water. They drain the cloudy water and repeat the process several times until the water runs clearer.\n\n420-480s: After finishing washing the grains, the person takes the bowl and walks outside again. They go to a pile of dry leaves on the ground, strike a match from a box labeled \"GOLD\", and light the leaves on fire. They use a piece of cardboard to fan the flames, starting a small bonfire.", "questions": [{"question": "I drew water from the well. What prompted me to do this?", "options": ["A. I needed water to wash the dishes.", "B. I needed water to wash the dry grains.", "C. I needed water to put out the fire.", "D. I needed water to drink."], "answer": "B", "evidence": "After drawing water, the person returns inside, retrieves dry grains, and washes them with water, indicating the water was for that purpose.", "timestamps": "180-270s (drawing water), 360-420s (washing grains)"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "7de0961e-b3dc-4b61-b7d2-8c13dcc6d412", "description": "0-15s: The video opens with a first-person view of a kitchen counter. A person is using black chopsticks to transfer raw, pink pork strips from a white styrofoam tray into a black frying pan on an induction cooktop. To the left of the stove are various items including a green box of plastic wrap with \"50\" and Japanese text \"\u30e9\u30c3\u30d7\" (Wrap) visible. In the background, there is a stainless steel sink with a grey dish rack holding clean dishes, including a white cutting board with a blue handle.\n\n15-38s: The person continues to add the remaining pork from the tray to the hot pan. Once all the meat is in the pan, they use the chopsticks to stir it around, beginning the cooking process. The pork starts to change color from pink to opaque white as it cooks.\n\n38-62s: After emptying the styrofoam tray, the person places it aside. They continue to stir-fry the pork in the pan, ensuring it cooks evenly. The pieces of pork become smaller and more separated as they are stirred.\n\n62-97s: The person picks up a clear plastic bag containing shredded vegetables, primarily white cabbage and bean sprouts. They open the bag and pour the contents directly into the pan with the partially cooked pork. Using the chopsticks, they begin to mix the vegetables with the meat.\n\n97-120s: The person sets down the vegetable bag and continues to stir-fry the mixture of pork and vegetables. They then reach for a yellow and orange packet of seasoning mix. The brand name \"Glico\" and product name \"\u3068\u3093\u3053\u3064\u5473\" (Tonkotsu flavor) are visible. They tear open the packet and pour the powdered seasoning over the food in the pan.\n\n120-145s: With the seasoning added, the person thoroughly stirs the contents of the pan. The pork and vegetables become coated in the brownish seasoning powder. They continue to cook and stir the mixture for several moments.\n\n145-170s: The person finishes cooking. They pick up a round, light-colored plate from the side. Holding the pan in their left hand and using the chopsticks in their right, they carefully transfer the cooked pork and vegetable stir-fry from the pan onto the plate.", "questions": [{"question": "After I added the seasoning packet to the pan, what did I do with the cooked mixture before I turned off the heat?", "options": ["A. I transferred the stir-fry to a round plate using chopsticks", "B. I placed the empty styrofoam tray into the sink", "C. I opened a bag of shredded vegetables and poured it in", "D. I stirred the contents in the pan for several minutes"], "answer": "A", "evidence": "The person finishes cooking. They pick up a round, light-colored plate from the side. Holding the pan in their left hand and using the chopsticks in their right, they carefully transfer the cooked pork and vegetable stir-fry from the pan onto the plate.", "timestamps": "145-170s"}], "n_frames_described": 100, "rejected_blind": 9, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "7f88f28b-a242-46af-8d1a-9a894f340325", "description": "0-38s: The video begins with a view of the kitchen floor and counter. A person wearing a white t-shirt with a colorful floral pattern is standing at the counter, which has various ingredients laid out for cooking: a package of ham, a cucumber, a tomato, a bowl of beaten eggs, and other items in plastic packaging. The person reaches for a large, clear plastic bottle of cooking oil from the back of the counter. They unscrew the cap and pour some oil into the small metal bowl containing the beaten eggs before placing the bottle back down.\n\n38-95s: The person takes a piece of paper towel, folds it, and places it on a small, decorative plate. They then pick up the black non-stick frying pan from the stovetop and use their right hand to hold the handle while using chopsticks in their left hand to wipe the inside of the pan with the paper towel, presumably to spread the oil evenly. After wiping the pan, they place it back on the stove burner.\n\n95-142s: Using the chopsticks, the person picks up the paper towel from the plate and uses it to further grease the surface of the hot pan. Once satisfied, they take the metal bowl of egg mixture and pour it into the center of the hot pan. The egg immediately begins to cook and solidify. The person uses the chopsticks to gently stir and spread the egg as it cooks.\n\n142-170s: While the first omelet is cooking, the person moves to the sink area. They wash a green cucumber under running water. Next, they take a red tomato, also washing it thoroughly under the tap before placing it on the wooden cutting board next to the cucumber.\n\n170-200s: Returning to the stove, the person uses the chopsticks to carefully fold the now-solidified omelet in half within the pan. They continue to cook it for a few more moments, ensuring it's cooked through. Once done, they lift the pan and slide the finished omelet onto the wooden cutting board.\n\n200-230s: The person re-greases the pan with the paper towel held by chopsticks. They then pour another portion of the beaten egg mixture into the pan to make a second, smaller omelet. This one is cooked quickly, folded, and then removed from the pan and placed on the cutting board alongside the first one.\n\n230-260s: With both omelets on the cutting board, the person picks up the knife. They begin slicing the cooked omelets into thin strips (julienne style). After finishing with the eggs, they move on to the cucumber, first slicing it lengthwise and then cutting it into thin matchsticks.\n\n260-290s: The person continues preparing the vegetables by slicing the washed tomato into rounds. After setting the tomato slices aside, they take the package of ham, open it, and lay the slices flat on the cutting board. They proceed to cut the ham slices into thin strips, similar to how they prepared the cucumber.\n\n290-320s: All the prepared ingredients\u2014julienned omelet, julienned cucumber, sliced tomato, and julienned ham\u2014are now arranged neatly on the cutting board. The person then takes a bag of what appears to be shredded cheese or potato shreds and uses scissors to cut open the top of the package.\n\n320-360s: The person cleans up the workspace slightly, moving some used containers towards the sink. They then pick up a blue and white package, which looks like a pack of disposable chopsticks or straws, and examine it closely, turning it over in their hands.\n\n360-480s: For the remainder of the video, the person continues to prepare additional ingredients. They open a package of what appears to be imitation crab sticks, taking them out of the plastic wrap. They also handle another package, possibly containing noodles or another type of shredded ingredient, examining the label and contents. The focus remains on unpacking and preparing these final components on the cluttered but organized cutting board, with all the previously chopped items still visible.", "questions": [{"question": "What was the state of the egg mixture that I poured into the pan right after I finished greasing the pan with the paper towel?", "options": ["A. it had been beaten with oil in a small metal bowl", "B. it was still raw and contained pieces of ham and cucumber", "C. it had been seasoned with salt and pepper on the counter", "D. it was leftover from a previous omelet and had cooled down"], "answer": "A", "evidence": "The person pours some oil into the small metal bowl containing the beaten eggs before placing the bottle back down. Then later pours the egg mixture into the pan.", "timestamps": "0-38s (adding oil to eggs) and 95-142s (pouring egg mixture)"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "7f9bd569-65bb-4ff4-9063-236d93d67480", "description": "**0-90s:** The video begins with the person chopping green peppers on a white cutting board using a large chef's knife. The peppers are sliced into thin strips. To the left, a tablet is propped up playing a video. A \"Ziploc\" bag is visible near the sink.\n\n**90-130s:** The person stops chopping and reaches up to an overhead cabinet to retrieve a green box of \"GLAD\" brand plastic wrap. They tear off a sheet and cover the pile of chopped peppers on the cutting board to keep them fresh.\n\n**130-180s:** The wrapped peppers are placed into a clear plastic bag. The person then opens the refrigerator, which has a black tote bag sitting on top containing a red \"Calbee\" snack bag. They retrieve a styrofoam tray of raw chicken breast and place it on the counter next to the cutting board.\n\n**180-260s:** The person opens the cabinet door beneath the gas stove and removes a frying pan. They take the pan to the sink and begin washing it thoroughly with a yellow sponge and dish soap, scrubbing both the inside and outside.\n\n**260-300s:** After rinsing the pan, the person dries it with a cloth and places it on the front burner of the stove. They retrieve a bottle of cooking oil from the counter and pour a generous amount into the pan.\n\n**300-340s:** The stove burner is ignited. The person transfers the chopped green peppers from the cutting board into the hot oil in the pan. They use a black spatula to stir-fry the peppers.\n\n**340-380s:** The person opens the overhead cabinet again and takes out two bottles of liquid seasoning (likely vinegar and oil), placing them on the counter. They continue to stir the peppers in the pan.\n\n**380-420s:** The person briefly handles the package of chicken, inspecting it, before returning their attention to the pan. They continue to stir the peppers as they cook.\n\n**420-480s:** The person opens the refrigerator again and retrieves a large bottle containing a greenish liquid (possibly tea or juice). They hold the bottle while continuing to monitor the cooking peppers. The video ends with the peppers sizzling in the pan.", "questions": [{"question": "After I finished chopping the green peppers, what did I do with them before I started cooking them in the pan?", "options": ["A. I covered them with plastic wrap and put them in a clear bag", "B. I placed them in a bowl and added seasoning to them", "C. I put them in the refrigerator to keep them cold", "D. I left them on the cutting board and went to wash the pan"], "answer": "A", "evidence": "The person tears off a sheet of plastic wrap and covers the pile of chopped peppers, then places the wrapped peppers into a clear plastic bag.", "timestamps": "90-130s and 130-180s"}, {"question": "After I finished chopping the peppers, what did I do with them before I started cooking?", "options": ["A. I covered them with plastic wrap and stored them in a bag", "B. I placed them directly into the hot oil in the frying pan", "C. I added them to the pan with the raw chicken to cook together", "D. I left them on the cutting board and went to wash the pan"], "answer": "A", "evidence": "The person tears off a sheet of plastic wrap and covers the pile of chopped peppers on the cutting board to keep them fresh. The wrapped peppers are then placed into a clear plastic bag.", "timestamps": "90-130s for wrapping, 130-180s for bagging; 300-340s for cooking"}, {"question": "After I placed the chicken on the counter, what did I do with it before the video ended?", "options": ["A. I left it on the counter and later inspected it while the peppers cooked", "B. I covered it with a sheet of plastic wrap and placed it in a clear bag", "C. I scrubbed it thoroughly in the sink with dish soap and a yellow sponge", "D. I placed it on the burner and poured a generous amount of oil over it"], "answer": "A", "evidence": "The person then opens the refrigerator... retrieve a styrofoam tray of raw chicken breast and place it on the counter next to the cutting board. The person briefly handles the package of chicken, inspecting it, before returning their attention to the pan.", "timestamps": "130-180s and 380-420s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "7ea46a5b-586e-4060-ae4e-74cd3db61d96", "description": "0-24s: The video opens with a first-person view of a person standing at a kitchen sink. They are peeling a small, yellow root vegetable, likely ginger, using a metal peeler over the sink basin to catch the scraps. To the right, on a wooden cutting board, sits a knife, a garlic clove, and a package of raw liver. After peeling, they use the knife to trim the ginger before placing it on a ceramic grater (oroshigane) set on the cutting board.\n\n24-58s: The person grates the ginger into a fine paste directly onto the cutting board. Once finished, they use their fingers to scrape the grated ginger from the grater and place it into the container with the raw liver. Visible text on a box behind the sink reads \"\u30a2\u30eb\u30df\u30db\u30a4\u30eb\" (Aluminum Foil). Next, they begin preparing a marinade in a small metal bowl, pouring in a dark liquid (likely soy sauce) from a bottle with a gold cap.\n\n58-96s: The person continues building the marinade. They add a clear liquid from a green glass bottle, which appears to be sake or cooking wine, followed by a sprinkle of white powder from a red-capped shaker. A bag labeled \"\u7247\u6817\u7c89\" (Potato Starch) is visible nearby. They then pour another clear liquid from a large plastic bottle into the bowl. Using a spoon, they stir all the ingredients together until combined.\n\n96-137s: With the marinade prepared, the person turns their attention back to the cutting board. They take the garlic clove, peel off its skin with their hands, and discard the peel. Using the chef's knife, they slice the garlic thinly and then mince it finely. They gather the minced garlic with the knife and transfer it to a small, decorative blue-and-white dish.\n\n137-172s: The person moves to prepare vegetables. They open a plastic bag containing bean sprouts and pour them into a metal colander. Holding the colander under the faucet, they rinse the bean sprouts thoroughly with running water. Afterward, they reach for a bundle of chives wrapped in plastic, unwrap them, and lay them on the cutting board.\n\n172-210s: The person cuts the ends off the chives and proceeds to chop them into approximately 2-inch lengths. As they finish chopping, they transfer the pieces into a light green plastic colander that was previously sitting in the sink. They then wash the chopped chives under the tap, tossing them gently to clean them before draining.\n\n210-240s: Having completed the prep work, the person clears the workspace. They move the cutting board aside and retrieve a large, white serving plate with a blue rim. Finally, they pick up the bag of potato starch (\"\u7247\u6817\u7c89\") again, seemingly preparing for the next stage of cooking, which involves coating the marinated liver.", "questions": [{"question": "After I finished grating the ginger, which of these actions did I perform first?", "options": ["A. mincing the garlic clove with a chef's knife", "B. rinsing the bean sprouts under the tap", "C. preparing the marinade in a metal bowl", "D. chopping the chives into lengths"], "answer": "C", "evidence": "After grating ginger, the person begins preparing a marinade in a small metal bowl, pouring in a dark liquid from a gold-capped bottle.", "timestamps": "0-24s and 24-58s"}, {"question": "After I minced the garlic clove, I placed it in a dish. Later, I washed a vegetable. Which dish did I use for the garlic, and which vegetable did I wash?", "options": ["A. a metal colander and chives", "B. a light green colander and ginger", "C. a wooden cutting board and garlic", "D. a blue-and-white dish and bean sprouts"], "answer": "D", "evidence": "The person minces garlic and transfers it to a small decorative blue-and-white dish. Later, they rinse bean sprouts in a metal colander under running water.", "timestamps": "96-137s and 137-172s"}, {"question": "After I peeled and grated the ginger, I later minced a garlic clove. Where did I place the minced garlic?", "options": ["A. in a metal colander", "B. in a blue-and-white dish", "C. on a light green colander", "D. on a wooden cutting board"], "answer": "B", "evidence": "The person places grated ginger into a container with raw liver. Later, they mince garlic and place it in a blue-and-white dish.", "timestamps": "0-24s and 96-137s"}, {"question": "After I washed the chives, I remembered I had washed a different vegetable earlier. Which vegetable was that?", "options": ["A. the ginger root that I peeled", "B. the garlic clove that I minced", "C. the bean sprouts that I rinsed", "D. the chives that I chopped"], "answer": "C", "evidence": "The person washes bean sprouts in a metal colander, then later washes chopped chives in a light green plastic colander.", "timestamps": "137-172s and 172-210s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "810d230f-2771-4a2d-ad09-9b04714930d3", "description": "**0-180s**: The video begins with the person peeling a potato using an orange-handled peeler over a wooden cutting board. Several other peeled potatoes and onions are already sitting on the stainless steel countertop. After peeling, the person washes the potato in the sink. They then use a knife with a wooden handle to trim the ends of the potato. Next, they slice a white onion into wedges and place them into a white rectangular tray. They proceed to dice the peeled potatoes into cubes and add them to the same tray. The person then chops a carrot into small pieces and slices a red tomato, adding both to the tray with the other vegetables.\n\n**180-300s**: The person opens a refrigerator (visible briefly) and retrieves a package of raw red meat. Returning to the counter, they place a stainless steel pot on the left burner of the induction stove. They pour cooking oil from a clear squeeze bottle into the pot and turn on the stove; the red heating element becomes visible. They grab a pair of wooden chopsticks and fill a stainless steel kettle with water at the sink, placing it on the right burner to heat up.\n\n**300-360s**: The person opens the meat package and slides the raw meat into the hot pot. They begin stirring the meat with the chopsticks to sear it. While the meat cooks, they quickly clean up vegetable scraps from the cutting board and wash their hands/tools in the sink. They continue to stir the meat until it is partially browned.\n\n**360-420s**: The person picks up the white tray containing the chopped potatoes, onions, carrots, and tomatoes. They slide the vegetables into the pot with the cooking meat. Using the chopsticks, they stir the mixture thoroughly to combine the meat and vegetables.\n\n**420-480s**: The person pours hot water from the kettle into the pot. They place a glass lid on the pot to let it simmer. With the cooking underway, they wipe down the stovetop surface with a white cloth. They take the cloth to the sink, rinse it under running water, and wring it out. Finally, they tidy up the dish drying rack, moving a white salad spinner, and the video ends with a view of the covered pot simmering on the stove.", "questions": [{"question": "After I had finished chopping the vegetables, which action did I do next?", "options": ["A. Open the refrigerator to retrieve the raw red meat", "B. Fill the kettle with water at the sink", "C. Place the stainless steel pot on the left burner", "D. Pour cooking oil from the squeeze bottle into the pot"], "answer": "A", "evidence": "They open a refrigerator and retrieve a package of raw red meat.", "timestamps": "0-180s chopping, 180-300s opening fridge"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "80b58d11-a076-42b8-ac8d-1c04aeb4d710", "description": "0-45s: The video begins with a first-person view of a kitchen stove. A person is actively cooking, stirring a red sauce in a small black pot on the right burner with a wooden spoon. In their left hand, they hold a white styrofoam tray containing raw ground meat. They proceed to add the meat from the tray into the simmering sauce. After adding the meat, they continue to stir the mixture. On the adjacent burners, another pan contains a light-colored soup or stew, and a rectangular tamagoyaki pan holds cooked green vegetables and possibly ham. The person then moves to the sink area, turns on the faucet, and rinses their hands under the running water before returning to the stove.\n\n45-120s: The camera pans around the cluttered kitchen counter, showing various items including a white electric kettle, bottles, and jars. The person returns to the stove and stirs the contents of the two main pots. They pick up a metal ladle and stir the soup in the front-left pan. Next, they reach for a small bottle with a red cap (likely pepper) and shake it into the soup. They then grab a larger bottle of what appears to be oil or seasoning and pour some into the same pot. The focus shifts as the person takes a large, empty stainless steel pot and fills it with hot water from the white electric kettle at the sink. This pot is then placed on the back-left burner of the stove, which is turned on, indicated by a glowing red heating element.\n\n120-210s: With the large pot of water now heating on the stove, the person prepares to cook pasta. They retrieve a package of spaghetti from the counter. Using scissors, they cut open the packaging and take out several bundles of dry spaghetti. Before adding the pasta, they fetch a black mug, fill it with hot water from the electric kettle, and place it on the counter. Once the water in the large pot reaches a boil, they carefully place the bundles of spaghetti into the boiling water. They use chopsticks to gently submerge the pasta as it softens.\n\n210-300s: The person continues to manage the multiple dishes on the stove. They stir the boiling pasta with chopsticks to prevent sticking. They also periodically stir the red meat sauce and the other soup-like dish. At one point, they open the refrigerator, which is located to the left of the stove, and retrieve a tub of butter or margarine. They place this on the counter near the stove. The digital display on the wall-mounted control panel consistently shows \"42\". The person adjusts the heat settings on the induction cooktop using the touch controls on its surface.\n\n300-390s: The cooking process continues with all three pots active on the stove. The person alternates between stirring the pasta, the red sauce, and the other soup. They appear to be checking the consistency and progress of each dish. They move around the kitchen, briefly interacting with items on the counter and near the sink. They open an overhead cabinet filled with plates and bowls, selecting a few, and then walk over to a nearby table, suggesting preparation for serving the meal soon. They return to the sink area and rinse a small bowl.\n\n390-480s: In the final segment, the person focuses on the finishing touches. They continue to stir the pasta, ensuring it cooks evenly. They also give the red sauce and the other soup a final stir. They adjust the position of the pans on the cooktop and check the heat levels. The scene remains focused on the stovetop activity, with the person diligently monitoring all components of the meal. The video concludes with the food still cooking on the stove, ready to be served.", "questions": [{"question": "After I added the ground meat to the red sauce, why did I turn on the back-left burner of the induction cooktop?", "options": ["A. to bring the large pot of hot water from the kettle to a boil for the spaghetti", "B. to keep the cooked green vegetables and ham in the rectangular pan warm", "C. to make the light-colored soup in the front-left pan cook at a higher heat", "D. to melt the tub of butter that was sitting on the counter by the stove"], "answer": "A", "evidence": "After adding the meat, the person later fills a large stainless pot with hot water from the kettle, places it on the back-left burner, and turns it on; then they prepare spaghetti.", "timestamps": "0-45s and 45-120s"}, {"question": "After I seasoned the soup with pepper and oil, which two actions did I do right away, before I cut open the spaghetti package?", "options": ["A. opened the refrigerator for butter and placed the tub on the counter", "B. filled the stainless pot with kettle water and set it on the back-left burner", "C. selected plates from the overhead cabinet and rinsed the small bowl at the sink", "D. stirred the red sauce with a wooden spoon and then rinsed my hands at the sink"], "answer": "B", "evidence": "Right after seasoning the soup, the person fills the large stainless pot with hot water from the kettle and puts it on the back-left burner; only later do they cut open the spaghetti package.", "timestamps": "45-120s and 120-210s"}, {"question": "After I added the raw ground meat to the red sauce and rinsed my hands at the sink, which of these did I do first?", "options": ["A. shook pepper from the small red-capped bottle into the light-colored soup", "B. filled the large stainless steel pot with hot water from the electric kettle", "C. stirred the pasta in the boiling water with a pair of chopsticks", "D. opened the refrigerator and took out a tub of butter or margarine"], "answer": "A", "evidence": "Next, they reach for a small bottle with a red cap (likely pepper) and shake it into the soup. They then grab a larger bottle of what appears to be oil or seasoning and pour some into the same pot. The focus shifts as the person takes a large, empty stainless steel pot and fills it with hot water from the white electric kettle at the sink.", "timestamps": "0-45s and 45-120s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "7e120cec-3c82-4024-a213-7248e7bb9582", "description": "0-45s: The video begins with a first-person view of a person kneeling on a black underlayment, installing dark grey laminate flooring planks. They are fitting a long plank next to an already installed section near a staircase. The person uses both hands to press the plank down, aligning the tongue and groove. A hammer with a yellow handle lies on the underlayment nearby. The person adjusts the plank to ensure it sits flush against the previous row.\n\n45-90s: The person continues to work on the flooring installation. They use a black tapping block and the hammer to gently tap the plank into place, securing the joint. The camera pans slightly, revealing more of the room, including white kitchen cabinets and another person working in the background. The person moves along the row, ensuring all planks are tightly fitted.\n\n90-135s: The person stands up and walks across the room, which is partially covered in underlayment and partially exposed hardwood floor. They pick up a red and black tape measure. They kneel down near a white wall vent and measure the distance from the wall to the edge of the installed flooring. This measurement is taken to determine the size of the next plank needed to fill the gap.\n\n135-180s: The person walks over to a stack of flooring boxes labeled \"PERGO\" and \"WATERPROOF\". They use a pair of scissors to cut open the plastic wrapping on a box. They pull out a new dark grey laminate plank. They carry the plank to an unfinished wooden cabinet that is being used as a workbench. An orange level and a speed square are visible on the cabinet.\n\n180-225s: The person places the plank on the cabinet. They use the tape measure to measure the length of the plank, corresponding to the measurement taken earlier. They then use a pencil and the speed square to mark a straight cut line across the plank. This ensures the plank will be cut to the correct length to fit the measured gap near the wall vent.\n\n225-270s: The person carries the marked plank to a miter saw (chop saw) set up on the floor. They position the plank under the saw blade, aligning the mark with the blade. They lower the saw blade to cut through the plank. After the cut is made, they pick up the cut piece of flooring.\n\n270-315s: The person carries the newly cut plank back to the installation area near the wall vent. They kneel down and carefully fit the plank into the gap. They press it down to lock it into place with the adjacent planks. They check the fit to ensure it is snug against the wall and the other planks.\n\n315-375s: The person continues the process. They measure another section of the floor, likely for the next row or a different gap. They return to the workbench cabinet, measure another plank, and mark it with the pencil and speed square. The video ends as they are preparing to cut this next piece, continuing the cycle of measuring, cutting, and installing the flooring.", "questions": [{"question": "After I opened the PERGO box, I took out a plank. What had I done just before opening the box, and where did I carry the plank after taking it out?", "options": ["A. Measured the gap; to the cabinet.", "B. Marked a line; to the wall vent.", "C. Cut the plank; to the cabinet.", "D. Measured the gap; to the miter saw."], "answer": "A", "evidence": "This measurement is taken to determine the size of the next plank needed to fill the gap. They carry the plank to an unfinished wooden cabinet.", "timestamps": "90-135s and 135-180s"}, {"question": "After I measured the gap near the wall vent, I opened a box and pulled out a plank. What did I use to open the box, and what did I do with the tape measure before I marked the plank?", "options": ["A. Used a pair of scissors; measured the length of the plank on the cabinet", "B. Used a hammer; measured the gap again with the tape measure", "C. Used a speed square; pressed the plank into place near the vent", "D. Used a pencil; carried the plank to the miter saw on the floor"], "answer": "A", "evidence": "They use scissors to cut open the plastic wrapping on a box (135-180s), then measure the plank's length on the cabinet (180-225s).", "timestamps": "90-135s (gap measurement) and 180-225s (plank measurement)"}, {"question": "After I cut a plank with the miter saw and pressed it into the gap, what had I done with the speed square earlier, and what did I do with the tape measure after pressing the plank?", "options": ["A. Used it to mark a straight cut line; measured another section of the floor", "B. Used it to open a box of planks; marked a cut line on the next plank", "C. Used it to tap the plank into place; carried the plank to the workbench", "D. Used it to measure the gap; pressed the plank again to secure it"], "answer": "A", "evidence": "Speed square is used with pencil to mark a cut line (180-225s); after pressing the plank, they measure another section (315-375s).", "timestamps": "180-225s (speed square use) and 315-375s (measuring another section)"}, {"question": "Before I cut the plank with the miter saw, what did I do with the scissors, and what did I do with the tape measure after pressing the plank into place?", "options": ["A. Opened a box of planks; measured another section of the floor", "B. Marked a cut line on the plank; carried the plank to the workbench", "C. Tapped a plank into place; pressed the plank again to lock it", "D. Measured the gap near the wall vent; marked a cut line on the next plank"], "answer": "A", "evidence": "Scissors are used to open the box (135-180s); after pressing the plank, they measure another section (315-375s).", "timestamps": "135-180s (scissors use) and 315-375s (measuring another section)"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "81171a90-c215-4335-8145-a69a431ac8d3", "description": "0-45s: The video begins with a view of a kitchen counter. A hand reaches down and turns on the gas stove burner beneath a black frying pan with a red handle. The person then moves to the sink area, opens a drawer below the counter, and retrieves a large bottle of yellow cooking oil. They place it on the counter next to a can and a small white container.\n\n45-90s: The person picks up the small white container, which appears to be salt or another seasoning, and pours some into the hot pan. After setting the container down, they move to the sink and wash their hands under running water. They then turn their attention back to the stove, where the oil in the pan is heating up.\n\n90-135s: The person walks over to the refrigerator, opens it, and takes out an orange plastic container holding raw chicken wings. Returning to the counter, they open a drawer to get a pair of chopsticks. Using the chopsticks, they carefully transfer the raw chicken wings from the orange container into the hot pan on the stove. Once all the wings are in the pan, they cover it with a silver lid.\n\n135-225s: With the chicken cooking, the person begins cleaning up. They take the now-empty orange container to the sink, rinse it, apply dish soap with a pink sponge, scrub it thoroughly, and rinse it again before placing it in the dish rack. They repeat this process for the metal colander that was also in the sink.\n\n225-315s: The person returns to the stove, removes the lid from the pan, and uses the chopsticks to stir and flip the chicken wings as they cook. They then retrieve a can of pineapple slices, open it, and add the pineapple pieces directly into the pan with the chicken. After adding all the pineapple, they pour the remaining juice from the can over the food, replace the lid, and adjust the stove's heat.\n\n315-405s: While the dish simmers, the person continues washing dishes. They wash the can lid and other small items in the sink. They then dry the previously washed orange container and its beige lid with a white cloth. They also wipe down the countertop near the stove.\n\n405-480s: The person checks on the food by lifting the lid and stirring the chicken and pineapple mixture with chopsticks. Satisfied, they replace the lid. They proceed to put away the bottles of oil and soy sauce, returning them to the refrigerator. Finally, they clean the stovetop surface with a cloth, completing the cooking and cleanup process.", "questions": [{"question": "After I lifted the pan's lid and stirred the chicken wings with chopsticks, I added the contents of a can to the dish. During the later cleanup, which lid did I wash at the sink before drying the washed orange container?", "options": ["A. The metal lid from the can of pineapple slices that I had opened", "B. The beige lid that belonged to the washed orange container", "C. The silver lid that covered the frying pan while the chicken cooked", "D. The lid from the large bottle of yellow cooking oil on the counter"], "answer": "A", "evidence": "They wash the can lid and other small items in the sink. They then dry the previously washed orange container and its beige lid with a white cloth.", "timestamps": "225-315s and 315-405s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "83dacb1d-439c-4796-b3c4-617fd1aceb6f", "description": "0-45s: The video opens on a cluttered kitchen counter. A person is wrapping a small glass bowl containing chopped red tomatoes with clear plastic wrap from a box labeled \"CLING\". After sealing the bowl, they walk to a silver refrigerator, open the door, and place the wrapped tomatoes inside for storage.\n\n45-138s: Returning to the counter, the person uses their right hand to scroll through a recipe video on a silver laptop propped up nearby. They then pick up a white cutting board and rinse it under the sink faucet. Next, they go back to the refrigerator, open a bottom drawer filled with vegetables in plastic bags, and retrieve a long, dark green cucumber. Back at the counter, they wash the cucumber in the sink before placing it on the clean cutting board. Using a large chef's knife, they slice off both ends of the cucumber.\n\n138-276s: The person begins peeling the cucumber using a spoon, scraping away strips of the skin lengthwise to create a striped pattern. Once peeled, they use the knife to cut the cucumber in half crosswise. Taking one half, they proceed to slice it diagonally into thin pieces, which are collected in a pile on the cutting board. They repeat this process with the second half. Afterwards, they open a drawer beneath the counter and select a rectangular, translucent plastic container with a blue lid.\n\n276-342s: The sliced cucumbers are transferred from the cutting board into the plastic container. The person then adds a scoop of a yellowish paste, likely miso or a similar seasoning, from a separate container into the cucumbers. They briefly move towards the stove area where a pot sits, then return to the main workspace. From a lower cabinet, they take out a bottle of what appears to be soy sauce or another liquid seasoning.\n\n342-461s: The person retrieves a piece of ginger from a bag on the counter. On the cutting board, they peel the ginger with the knife and then finely mince it. The minced ginger is added to the container with the cucumbers. Following this, they add more seasonings from various bottles, including oil and vinegar, directly into the container. Using a spoon, they thoroughly mix all the ingredients together. Finally, they secure the lid on the container and carry it over to the refrigerator to store the finished cucumber salad.", "questions": [{"question": "After I sliced the cucumber diagonally, which container did I select for the slices, and which ingredient did I add first after transferring the slices?", "options": ["A. the rectangular plastic container with a blue lid, and added a scoop of yellowish paste", "B. the small glass bowl that had held the tomatoes, and added a splash of soy sauce", "C. the container that held the yellowish paste, and added a drizzle of oil", "D. the pot that was on the stove, and added a pinch of minced ginger"], "answer": "A", "evidence": "After slicing, they open a drawer and select a rectangular plastic container with a blue lid. Then they transfer the slices and add a scoop of yellowish paste.", "timestamps": "138-276s and 276-342s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "8416da87-30af-4161-a3a1-17d9ec4b78c8", "description": "0-60s: The video begins with a first-person view of a person cleaning a red bicycle frame that is lying on its side on a beige tiled floor. The person uses a blue microfiber cloth to wipe down the red front suspension forks and the silver head tube area. A white plastic bottle with a black cap sits on the floor nearby. The person's grey sneakers are visible as they stand over the bike.\n\n60-120s: The person picks up the white bottle, unscrews the black cap, and pours some clear liquid onto the blue cloth. They then resume wiping the red fork legs, moving their hand up and down the length of the suspension stanchions to clean them. The bike remains stationary on the floor during this process.\n\n120-180s: The cleaning continues focused on the red fork legs. Around the 160-second mark, the person pauses, picks up a black smartphone with their right hand, and appears to take a photo or record a short video of the cleaned fork area before placing the phone back on the floor. They immediately return to wiping the forks with the blue cloth.\n\n180-240s: The person shifts their attention to the area where the fork meets the frame (the headset area). They use the blue cloth to wipe around the silver bearing cups and the red frame junction. They rotate the bike slightly to access different angles of the front end.\n\n240-300s: The person moves along the bike to clean the handlebars. They wipe down the silver handlebar stem and the black handlebars themselves. The camera angle shifts as they lean over the bike, showing the brake levers and gear shifters attached to the bars.\n\n300-360s: Detailed cleaning of the handlebar components occurs. The person carefully wipes around the black rubber brake hoods and the silver brake levers. They also clean the black gear shifters mounted on the handlebars. The white bottle and its cap remain on the floor in the background.\n\n360-420s: The person continues to wipe down the handlebars, moving towards the grips. They ensure the entire length of the silver bars is cleaned. The bike is still lying on the floor, and the person adjusts their stance to reach the far end of the handlebars.\n\n420-480s: The person performs a final wipe-down of the handlebars and the front section of the bike. They inspect their work, holding the blue cloth in one hand. The video concludes with a view of the cleaned red bike frame lying on the tiled patio, with the cleaning supplies still nearby.", "questions": [{"question": "After I cleaned the fork stanchions, I took a photo, then cleaned the headset. Which component did I clean after the headset but before the brake levers?", "options": ["A. the handlebar stem and black bars", "B. the black rubber grips at the bar ends", "C. the front suspension stanchions again", "D. the silver brake levers and hoods"], "answer": "A", "evidence": "The video shows cleaning the headset (180-240s), then the handlebar stem and bars (240-300s), then the brake hoods and levers (300-360s).", "timestamps": "180-240s and 240-300s"}, {"question": "After I cleaned the forks and took a photo, I later cleaned the gear shifters. Which component did I clean immediately before the gear shifters?", "options": ["A. the handlebar stem and black bars", "B. the brake levers and rubber hoods", "C. the headset bearing cups and red junction", "D. the front suspension stanchions"], "answer": "B", "evidence": "The video shows cleaning brake hoods and levers before moving to the gear shifters.", "timestamps": "300-360s and 360-420s"}, {"question": "After I cleaned the forks and took a photo, I later cleaned the brake levers. Which of these did I clean between the photo and the brake levers?", "options": ["A. the gear shifters and the grips", "B. the front forks and the headset", "C. the headset and the handlebar stem", "D. the brake hoods and the levers"], "answer": "C", "evidence": "After the photo at ~160s, I cleaned the headset (180-240s), then the handlebar stem (240-300s), before reaching the brake levers.", "timestamps": "160s and 180-300s"}, {"question": "I took a photo of the forks with my phone. Later, when I cleaned the gear shifters, where was the phone?", "options": ["A. in my pocket", "B. on the handlebar", "C. under the frame", "D. on the floor near the bike"], "answer": "D", "evidence": "The video shows the phone was placed back on the floor after taking the photo; later, the phone remains on the floor in the background.", "timestamps": "160s and 360-420s"}], "n_frames_described": 100, "rejected_blind": 8, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "825e5ea2-466a-45b1-85cb-62d0d2d18fcb", "description": "0-45s: The video opens with a first-person view of a person in a yellow plaid shirt and dark trousers, standing over an open white tool bag with red trim. The person rummages through the bag, which contains various metal pipes, fittings, and tools including a yellow level. They extract a long, thin, silver-colored metal rod. A cardboard box labeled \"JAINSON FR SUPER\" is visible on the floor nearby. The person then walks out of a doorway into a dusty outdoor area where motorcycles are parked.\n\n45-120s: The person re-enters the building and walks down a hallway towards a staircase under construction. They place the metal rod on the concrete floor next to another similar rod and an orange extension cord. After picking up both rods, they walk back outside briefly before returning inside to a different room. This room has a messy floor covered in debris, wires, and other materials. The person places the rods down near a blue power drill and two small containers (one white with a blue lid, one greenish).\n\n120-210s: The person returns to the initial room by the stairs. They pick up the yellow level from the tool bag and begin searching for more items. They pull out several short, shiny stainless steel pipe sections and fittings. Using a tape measure, they measure the distance between existing vertical posts installed on the staircase to determine the required length for new balusters. They lay out multiple long metal rods on the floor and use a blue tape measure and a blue marker to mark cutting points on them.\n\n210-300s: The person uses a yellow and black angle grinder to cut the marked metal rods. Sparks fly as the cutting disc slices through the metal. They make several cuts, creating shorter pieces of uniform length. After each cut, they inspect the piece and set it aside. The process is repeated for multiple rods. Once cutting is complete, they gather the newly cut pieces.\n\n300-390s: The person prepares for welding. They position a ground clamp on the floor and connect it to a yellow welding machine labeled \"POLO\". They take two of the cut metal rods and align them end-to-end. Holding them steady with one hand, they use a welding electrode holder (stinger) with a pink-handled grip to tack weld the joint. Bright flashes of light and sparks occur during welding. After tacking, they continue welding along the seam to join the two pieces into a single longer rod.\n\n390-480s: The person continues the welding process, joining additional pairs of metal rods together. Each time, they carefully align the pieces, secure them with the ground clamp, and apply welds using the electrode holder. Between welds, they sometimes use a metal file or chipping hammer to clean the weld bead. The final frames show the person completing a weld on a long assembled rod, with bright arc light illuminating the scene before the video ends abruptly.", "questions": [{"question": "Earlier I picked up the yellow level from the tool bag. Later, what was the color of the tool I used to mark the cut points on the rods?", "options": ["A. The color of the marking tool was blue, matching the drill I saw near the rods.", "B. The color of the marking tool was yellow, like the level I had just picked up.", "C. The color of the marking tool was orange, reminiscent of the extension cord.", "D. The color of the marking tool was pink, similar to the electrode holder's grip."], "answer": "A", "evidence": "They use a blue tape measure and a blue marker to mark cutting points on the rods.", "timestamps": "0-45s and 120-210s"}, {"question": "Earlier I placed the rods near the blue drill. Later, what was the color of the handle on the tool I used to join the cut rods together?", "options": ["A. The handle of the joining tool was pink, like the grip on the electrode holder.", "B. The handle of the joining tool was blue, like the tape measure I had used.", "C. The handle of the joining tool was yellow, like the level from the tool bag.", "D. The handle of the joining tool was orange, like the extension cord I saw."], "answer": "A", "evidence": "They use a welding electrode holder (stinger) with a pink-handled grip to tack weld the joint.", "timestamps": "45-120s and 300-390s"}, {"question": "Earlier I extracted a long thin silver rod from my tool bag. Later, what were the colors of the marker I used to mark the rods and the handle on the electrode holder?", "options": ["A. The marker was blue and the electrode handle was pink.", "B. The marker was yellow and the electrode handle was blue.", "C. The marker was orange and the electrode handle was yellow.", "D. The marker was pink and the electrode handle was orange."], "answer": "A", "evidence": "They use a blue tape measure and a blue marker to mark cutting points, and an electrode holder with a pink-handed grip for welding.", "timestamps": "0-45s and 120-390s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "82bb4626-c37e-4b2a-bc84-5030a9141b66", "description": "0-12s: The video opens with a first-person perspective in a compact kitchen. The person adjusts their stance and reaches towards a hanging dish rack and the counter below.\n12-48s: The person unwraps a rectangular block of luncheon meat from clear plastic packaging on a white cutting board. Using a knife with a red handle, they proceed to slice the meat into thin strips.\n48-96s: The sliced meat is transferred from the cutting board into a small yellow saucepan located on the left burner of the gas stove. The person then turns and opens the door of a white refrigerator.\n96-126s: A carton of \"FURUYA\" brand low-fat milk (with Japanese text \"\u4f4e\u8102\u80aa\") is retrieved from the refrigerator. The person opens the carton and pours the milk into the yellow saucepan with the meat.\n126-168s: The person takes a black frying pan to the stainless steel sink and washes it thoroughly under running water. Once clean, they place the pan on the right burner of the stove.\n168-192s: Walking over to a wooden shelving unit, the person picks up an egg from a carton. Returning to the counter, they crack the egg into a small white bowl and beat it with chopsticks.\n192-222s: A green bottle of cooking oil is picked up, and oil is poured into the black frying pan on the stove.\n222-264s: Two slices of white bread are removed from a plastic bag and placed on the cutting board. The person squeezes a yellow condiment (likely mustard or mayonnaise) from a tube onto the bread and spreads it with a knife.\n264-282s: The beaten egg is poured from the white bowl into the hot black frying pan. The person shakes the pan to distribute the egg and begins cooking it.\n282-336s: The person begins stirring the contents of the yellow saucepan (the milk and meat mixture). They walk to the shelf, retrieve a small jar of seasoning, and add it to the soup, stirring again.\n336-384s: The cooking process continues with multitasking. The person fetches another seasoning jar from the shelf, adds it to the yellow saucepan, and stirs. The egg in the black pan continues to fry.\n384-432s: A third seasoning container is retrieved from the shelf and added to the yellow saucepan. The person stirs the soup vigorously. The egg in the pan appears to be setting.\n432-480s: In the final minute, the person makes one last trip to the shelf for another seasoning jar, adding it to the soup. They continue to stir the yellow saucepan while keeping an eye on the frying egg. The video concludes with the meal still cooking on the stove.", "questions": [{"question": "After I had already sliced the luncheon meat and put it in a saucepan, which of these did I do last before the video ended?", "options": ["A. I poured the beaten egg from the white bowl into the black frying pan", "B. I spread yellow condiment from a tube onto two slices of bread with a knife", "C. I added another seasoning jar from the wooden shelf to the yellow saucepan", "D. I washed the black frying pan under running water at the stainless steel sink"], "answer": "C", "evidence": "In the final minute, the person makes one last trip to the shelf for another seasoning jar, adding it to the soup.", "timestamps": "12-48s and 432-480s"}, {"question": "After I had combined milk and luncheon meat in the yellow saucepan, why did I keep returning to the wooden shelf later, and what did I do with the items I brought back?", "options": ["A. I was getting seasoning jars and adding them to the soup", "B. I was getting an egg from the carton and cracking it into a bowl", "C. I was getting two bread slices from the bag and spreading condiment on them", "D. I was getting the green oil bottle and pouring it into the frying pan"], "answer": "A", "evidence": "The person begins stirring the contents of the yellow saucepan (the milk and meat mixture). They walk to the shelf, retrieve a small jar of seasoning, and add it to the soup, stirring again.", "timestamps": "96-126s and 282-480s"}, {"question": "Earlier I had washed the black frying pan and placed it on the right burner. Later, what was the first thing I cooked in that pan?", "options": ["A. the sliced luncheon meat that I had simmering in the yellow saucepan", "B. the two slices of bread that I had spread with yellow condiment", "C. the milk and seasoning soup that I had stirred in the yellow saucepan", "D. the beaten egg that I had cracked and whisked in the white bowl earlier"], "answer": "D", "evidence": "The beaten egg is poured from the white bowl into the hot black frying pan.", "timestamps": "126-168s and 264-282s"}, {"question": "After I had washed the black frying pan and set it on the right burner, which of these did I do last before I added the first seasoning jar to the yellow saucepan?", "options": ["A. I beat an egg in a small white bowl using a pair of chopsticks.", "B. I poured the beaten egg into the hot black frying pan and shook it.", "C. I poured oil from a green bottle into the black frying pan.", "D. I squeezed yellow condiment from a tube onto two slices of bread."], "answer": "B", "evidence": "The beaten egg is poured from the white bowl into the hot black frying pan and the pan is shaken, just before the first seasoning jar is fetched and added to the yellow saucepan.", "timestamps": "126-168s, 264-282s, and 282-336s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "85bcc958-87ba-4c35-b26d-a0b72c89bf58", "description": "0-45s: The video opens with a first-person view of a cluttered kitchen counter. A person is holding a set of pink measuring spoons and a clear bottle with a green cap, which appears to be vinegar or oil. They pour the liquid from the bottle into one of the measuring spoons held over a small brown bowl. After pouring, they place the bottle back on the counter. Next, they pick up a different bottle containing a dark liquid (likely soy sauce) and repeat the process, adding it to the same brown bowl. Finally, they use a spoon to stir the contents of the bowl.\n\n45-120s: The person puts down the spoon and reaches for a beige rectangular container from near the stove. They open it, revealing a white powder (likely sugar or salt), and use a white plastic scoop to transfer some into the pink measuring spoons before adding it to the brown bowl. After securing the lid, they return the container to its spot by the stove. They then briefly stir the mixture in the bowl again before setting the spoon aside. The camera pans around the messy kitchen, showing various items like a recipe sheet propped against the sink, dirty dishes, and numerous condiment bottles.\n\n120-190s: The person walks over to a refrigerator covered in papers and charts. They pull open the bottom crisper drawer, which contains fresh produce including apples, an orange, and vegetables in plastic bags. They take out a whole onion wrapped in plastic, examine it, and then close the drawer. Returning to the main counter area, they unwrap the onion and place it on the counter next to a white cutting board.\n\n190-260s: Standing at the sink, the person begins to peel the dry outer layers off the onion, letting the discarded skins fall directly into the stainless steel sink basin. Once peeled, they move back to the cutting board, retrieve a knife from a dish rack, and proceed to cut the onion in half. They continue to peel away any remaining tough bits from the cut surfaces.\n\n260-385s: With the onion now clean and halved, the person places it flat-side down on the white cutting board. Using the knife, they begin slicing the onion into thin, semi-circular pieces. As they slice, they use their fingers to separate the layers of the onion rings. This chopping action continues steadily until the entire onion has been processed into a pile of sliced pieces on the cutting board. The video concludes with the chopped onion ready for the next step in the cooking process.", "questions": [{"question": "Before I walked to the refrigerator and opened the bottom crisper drawer, what was the last ingredient I had added to the small brown bowl?", "options": ["A. the white powder I scooped from the beige container near the stove", "B. the dark liquid I poured from the soy sauce bottle into the bowl", "C. the clear liquid I poured from the bottle that had the green cap", "D. the thin onion slices I had cut and left on the white cutting board"], "answer": "A", "evidence": "After adding the dark liquid and stirring, they reach for a beige rectangular container, scoop white powder into the pink measuring spoons, and add it to the brown bowl before later walking to the refrigerator.", "timestamps": "0-120s and 120-190s"}, {"question": "Why did I open the bottom crisper drawer right after I had finished mixing the ingredients in the small brown bowl on the counter?", "options": ["A. to get a red apple from among the fresh produce stored below", "B. to get a fresh orange from the bottom of the drawer", "C. to get a whole onion still wrapped in its plastic covering", "D. to get the vegetables that were kept in plastic bags"], "answer": "C", "evidence": "The person walks over to a refrigerator, pulls open the bottom crisper drawer containing apples, an orange, and vegetables, and takes out a whole onion wrapped in plastic.", "timestamps": "45-120s and 120-190s"}, {"question": "Which item did I take out of the crisper drawer and later prepare on the white cutting board at the counter?", "options": ["A. the red apple from among the fresh produce stored below", "B. the fresh orange from the bottom of the drawer", "C. the vegetables that were kept in plastic bags", "D. the whole onion still wrapped in its plastic covering"], "answer": "D", "evidence": "They take out a whole onion wrapped in plastic, unwrap it, place it next to the white cutting board, later cut it in half, and slice it into thin pieces.", "timestamps": "120-190s and 190-385s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "864371ec-e13b-44ad-8e24-034d7506065a", "description": "0-17s: From a first-person perspective, a person is sitting on the ground outdoors and sanding a black rubber bicycle inner tube. They hold the tube with their left hand and use a reddish-brown sanding block in their right hand to roughen its surface. A rusty bicycle wheel is visible in the background, along with tools like wrenches and a pair of pliers scattered on the dirt ground. A black bowl filled with water sits to the right.\n\n17-28s: The camera briefly pans up to show a wider view of the outdoor workshop area, revealing a parked truck and another bicycle before returning to the task. The person continues to meticulously sand different sections of the inner tube, preparing it for a patch.\n\n28-36s: The person stops sanding and reaches into a dirty white sack on the ground, which serves as a tool bag. After rummaging through various metal tools inside, they pull out a small, dark object, likely a tire patch or glue applicator.\n\n36-49s: The person gets up and walks over to a motorcycle parked nearby. They open a side compartment on the motorcycle's rear rack and place a new, packaged inner tube inside. They then walk back towards their work area.\n\n49-62s: The person picks up a yellow air hose connected to an off-screen compressor. They approach a green motorcycle that has been lifted, exposing its front wheel. They attach the nozzle of the air hose to the tire's valve stem and begin inflating the tire.\n\n62-75s: After finishing with the motorcycle tire, the person detaches the air hose and walks away from the repair area. They move across the dusty yard, passing by piles of scrap metal and discarded items, heading towards a building.\n\n75-88s: The person arrives at an outdoor concrete area with a water tap. Another individual is standing nearby. The person turns on the tap and begins to wash their hands thoroughly under the running water, rubbing them together to clean off the dirt and grime from their work.\n\n88-105s: After washing their hands, the person turns off the tap and walks away from the water source. They proceed onto a tiled porch area and enter a room, where they sit down on the floor, concluding the sequence of activities shown.", "questions": [{"question": "After I had finished sanding the black inner tube, what was the last outdoor action I did before entering the room?", "options": ["A. I placed the new packaged inner tube inside the side compartment of the motorcycle.", "B. I washed the dirt and grime from my hands under the running tap water.", "C. I picked up the yellow air hose and attached it to the front tire's valve stem.", "D. I pulled a small dark object out of the dirty white sack and examined it closely."], "answer": "B", "evidence": "0-17s: sanding a black rubber bicycle inner tube. 75-88s: arrives at outdoor tap, washes hands thoroughly.", "timestamps": "0-17s and 75-88s"}, {"question": "Which did I do first: sand the inner tube or place the new tube into the side compartment, and what visual evidence reveals the order?", "options": ["A. Placing first; I had already attached the yellow air hose to the tire before opening the compartment.", "B. Sanding first; I had just turned off the tap and walked onto the porch before starting to sand.", "C. Placing first; I was still holding the small dark object from the sack when I closed the compartment.", "D. Sanding first; I was seated on the ground with the black bowl near me while rubbing the block over the tube."], "answer": "D", "evidence": "0-17s: seated on ground sanding inner tube with block. 36-49s: walks to motorcycle, opens compartment, places new tube.", "timestamps": "0-17s and 36-49s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "84aae2af-1a45-4e2a-ac52-eb7aeffe212d", "description": "0-60s: The video begins with a view of a modern living area featuring a dark sofa, a white desk with a lit lamp, and a white shelving unit. The camera pans to show a man in a red plaid shirt standing near a colorful mural on the wall. The camera then tilts up to show the exposed industrial ceiling with pipes and lights, before panning across large windows that look out onto green trees. A hand enters the frame pointing upwards towards the ceiling/window area.\n\n60-120s: The camera moves back towards the white desk area. A man with grey hair and sunglasses is standing there. He holds up a poster featuring the \"We Can Do It!\" graphic (Rosie the Riveter) against the wall, inspecting its placement. He then reaches out and touches a small globe sitting on the desk next to the lamp. The camera focuses on the lamp and the abstract black and white artwork hanging above the desk.\n\n120-180s: The camera moves through a glass sliding door into a bedroom. The room contains a bed with white linens, a grey sofa at the foot of the bed, and large windows along one wall. The man with grey hair walks into the room and approaches a bedside table. The camera zooms in on a white lamp shade with a gold finial on the bedside table. The man is seen standing near the bed, looking around.\n\n180-240s: The camera moves to a coffee station located by the window. The man opens the lid of a black coffee maker. He picks up a glass carafe and pours water into the coffee maker. He then closes the lid of the coffee maker.\n\n240-300s: The man opens a small white refrigerator located under the counter near the coffee station. He looks inside and retrieves a purple and white carton, likely creamer or milk. He holds the carton and appears to be preparing to add it to the coffee. He is also seen holding a small packet, possibly sugar or a sweetener.\n\n300-360s: The man stands by the window, talking. The camera pans back to the coffee maker. He is seen near the coffee maker again, possibly adjusting settings or waiting for the coffee to brew. He continues to talk while standing near the window.\n\n360-420s: The camera pans around the room, showing the living area and the bedroom through the glass partition. The man is seen talking to the camera. The view shows the layout of the open-plan space, connecting the bedroom, living area, and kitchen/coffee station.\n\n420-480s: The video concludes with the man standing near the window, talking. The camera shows final views of the living area, the desk with the lamp, and the man's face as he speaks. The lighting remains consistent, with natural light coming through the large windows.", "questions": [{"question": "After I touched the globe, which of these actions did I perform last?", "options": ["A. walked into the bedroom and approached the bedside table", "B. poured water from the glass carafe into the coffee maker", "C. opened the white refrigerator and retrieved a carton", "D. held up the poster with the 'We Can Do It!' graphic"], "answer": "C", "evidence": "The man touches a small globe on the desk (60-120s). Later, he opens the refrigerator and retrieves a purple and white carton (240-300s).", "timestamps": "60-120s and 240-300s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "89193dbc-0ffa-4ee2-9ea8-c434ce177310", "description": "0-15s: The video begins with a person in a kitchen holding the components of a white plastic salad spinner. They place the inner basket into the sink and then retrieve a large, round stainless steel mixing bowl from a nearby counter.\n\n15-45s: Standing at the sink, the person uses black-handled scissors to cut open a clear plastic bag containing what appears to be glass noodles or vermicelli. They empty the contents into the stainless steel bowl. After cutting, they discard the plastic packaging into a blue bin inside the sink.\n\n45-90s: The person moves to the stovetop where a black frying pan is actively cooking green vegetables and other ingredients. Holding the bowl of noodles, they use a wooden spatula to stir the contents of the pan before placing the bowl on the back burner.\n\n90-135s: The person picks up the bowl of noodles again and adds them to the frying pan. They proceed to stir-fry all the ingredients together. Next, they move to a dining table, pick up another stainless steel bowl containing scrambled eggs, and add the eggs to the pan, continuing to mix everything thoroughly.\n\n135-225s: With the main cooking complete, the person begins cleaning up. They take the used stainless steel bowls and the white plastic salad spinner parts to the sink. Using an orange sponge and running water, they wash each item and place it in a metal dish rack to dry.\n\n225-280s: The person returns to the stove to season the dish. They add a red-colored sauce from a squeeze bottle and a liquid from a packet labeled \"\u51fa\u6c41\" (dashi/broth). They also pour some water from a white mug into the pan, stirring continuously to incorporate the seasonings.\n\n280-360s: After finishing the cooking, the person resumes washing dishes. They clean the white mug, the measuring spoons used for seasoning, the wooden spatula, and the black-handled scissors, placing each cleaned item in the drying rack.\n\n360-480s: In the final stage of cleanup, the person washes the chef's knife and the white cutting board. They apply soap directly to the cutting board, scrub it with the sponge, rinse it under the tap, and set it aside. The video concludes as they finish rinsing the last items, leaving the sink area tidy.", "questions": [{"question": "After I finished stir-frying the noodles with the vegetables, what did I add to the pan before I began washing the dishes?", "options": ["A. scrambled eggs from another bowl", "B. red sauce from a squeeze bottle", "C. water from a white mug", "D. dashi broth from a packet"], "answer": "A", "evidence": "The person picks up another stainless steel bowl containing scrambled eggs and adds the eggs to the pan, continuing to mix everything thoroughly.", "timestamps": "90-135s and 135-225s"}, {"question": "Before the noodles went into the frying pan, which action did I take that directly caused me to reach for the wooden spatula afterward, and what did I do with the emptied plastic bag?", "options": ["A. I placed the empty bag in the bin, then used the spatula to stir the pan", "B. I threw the bag on the counter, then used the spatula to scrape the bowl", "C. I folded the bag into the sink, then used the spatula to mix the noodles", "D. I dropped the bag on the floor, then used the spatula to flip the vegetables"], "answer": "A", "evidence": "After cutting the bag, I discarded the plastic packaging into a blue bin inside the sink; then, holding the bowl of noodles, I used a wooden spatula to stir the contents of the pan.", "timestamps": "15-45s and 45-90s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "89f1287a-bc34-464c-8913-a6cee70588f1", "description": "0-45s: The video opens with a first-person view of someone organizing kitchenware. A yellow plate is held in the left hand while the right hand places a white bowl onto an upper shelf in a cabinet filled with various bowls and plates. The person then stacks several more plates, including pink and white ones, into their hands before placing them away. Next, they retrieve a small metal bowl from a countertop dishwasher unit. Visible text on a blue bowl reads \"CUISINART\". On a bag of flour, Japanese characters are visible, including \"\u5f37\u529b\u5c0f\u9ea6\u7c89\" (Strong Wheat Flour).\n\n45-90s: The person moves to the sink area, which is cluttered with dirty dishes. They place the metal bowl down and pick up a wooden spatula from inside the open dishwasher. They then gather a handful of clean utensils\u2014spoons, whisks, and chopsticks\u2014from the dishwasher rack. After walking over to the cooking station where a pan of food is simmering, they open a drawer under the counter and begin putting the utensils away. They select a pair of red-handled scissors from the drawer.\n\n90-135s: Returning to the dishwasher, the person unloads more items, including a black mug with the text \"FREE & EASY\" and a yellow patterned mug, carrying them to the overhead cabinet for storage. They also put away a purple thermos and other cups. Back at the stove, they hang a plastic bag on a hook on the wall. They take out another Ziploc bag, open it, and use chopsticks to stir the contents of the frying pan.\n\n135-180s: The focus shifts back to food preparation. The person takes peeled onions from a white colander in the sink and places them into a clear plastic container with a blue lid. They seal the container and set it aside. They return to stirring the pan. Then, they get a glass pitcher of water from the sink area and pour some into the pan while continuing to stir the mixture, which appears to be a creamy sauce or soup base.\n\n180-225s: The person continues to cook, adding ingredients from small packets into the pan. They tear open a packet containing what looks like dried mushrooms or herbs and add them to the simmering liquid. They also open a small bottle with a yellow cap and shake its contents into the pan. Throughout this process, they frequently stir the mixture with chopsticks.\n\n225-270s: Attention turns to preparing another ingredient. The person takes a block of tofu wrapped in plastic from the counter. Using the red-handled scissors retrieved earlier, they cut open the packaging. They remove the tofu, place it on a cutting board, and slice it into smaller cubes using a knife. Finally, they transfer the cut tofu pieces into a Ziploc bag.", "questions": [{"question": "What did I use to cut open the tofu packaging, and what did I do with the tofu after cutting it?", "options": ["A. used red-handled scissors; then sliced the tofu into cubes", "B. used wooden spatula; then placed the onions in a container", "C. used kitchen knife; then added the dried mushrooms to the pan", "D. used chopsticks; then transferred the tofu to a Ziploc bag"], "answer": "A", "evidence": "Retrieved red-handled scissors from the drawer; later used them to cut the tofu packaging, then sliced the tofu into cubes.", "timestamps": "45\u201390s and 225\u2013270s"}, {"question": "After I placed the white bowl on the upper shelf, which of these did I do last?", "options": ["A. placing the onions in a container", "B. transferring the tofu to a Ziploc bag", "C. adding the dried mushrooms to the pan", "D. putting away the purple thermos"], "answer": "B", "evidence": "White bowl placed on upper shelf at start; later, the final action among these was transferring tofu to a Ziploc bag.", "timestamps": "0\u201345s and 225\u2013270s"}, {"question": "Before I added the dried mushrooms to the pan, which of these had I already done?", "options": ["A. cutting the tofu packaging", "B. transferring the tofu to a Ziploc bag", "C. slicing the tofu into cubes", "D. placing the onions in a container"], "answer": "D", "evidence": "Onions were placed in a container earlier; dried mushrooms added to the pan later.", "timestamps": "135\u2013180s and 180\u2013225s"}, {"question": "Before I put away the black mug, which of these had I already done?", "options": ["A. adding the dried mushrooms to the pan", "B. transferring the tofu to a Ziploc bag", "C. placing the white bowl on the upper shelf", "D. placing the onions in a container"], "answer": "C", "evidence": "The white bowl was placed on the upper shelf at the start, before the black mug was put away.", "timestamps": "0\u201345s and 90\u2013135s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "88656f6a-0178-435d-a418-26bfda215509", "description": "0-45s: The video begins with a close-up view of a black drip coffee maker situated on a white window sill. A man wearing a maroon hoodie and dark sunglasses is present. He holds a silver foil bag of coffee grounds. He lifts the lid of the coffee maker, revealing a brown paper filter inside the basket. He proceeds to pour the coffee grounds from the bag into the filter.\n\n45-75s: After emptying the bag, he sets it aside on the sill. He firmly closes the black lid of the coffee maker. He then picks up the glass carafe, which has been sitting on the counter, and places it onto the heating plate of the machine. He steps back, allowing the machine to begin its cycle.\n\n75-120s: The camera perspective shifts as the man walks away from the coffee station. He moves through a spacious, modern living room featuring grey tufted sofas, a patterned area rug, and large floor-to-ceiling windows. He walks past a bedroom area visible through an opening, where a bed with white linens is neatly made.\n\n120-165s: He arrives at a dining area characterized by a glass-topped table and white chairs. Behind the table, three vertical canvases with blue and grey abstract art hang on the wall. To the side stands a chrome bar cart. He picks up a dark glass bottle, possibly wine, from the cart. He glances at a book resting on the cart with the visible text \"HUGH JOHNSON'S POCKET WINE BOOK 20...\". He places the bottle back onto the cart.\n\n165-220s: The man walks back towards the initial window area where the coffee maker is located. He stands near the window, gazing out at the outdoor scene which includes a parking lot and trees with autumn foliage. The coffee maker remains on the sill in the foreground.\n\n220-280s: He reaches for a roll of white paper towels located on the window sill. He tears off a sheet and uses it to wipe down the white surface of the sill, cleaning around the base of the coffee maker. He then picks up a spray bottle containing blue liquid, labeled \"Windex\", and sprays the window pane. He uses the paper towel to wipe the glass clean.\n\n280-330s: After finishing the window cleaning, he places the spray bottle back on the sill next to a yellow aerosol can. He then picks up a clear rectangular plastic container filled with assorted cookies, including chocolate chip varieties. He lifts the clear lid to inspect the contents, then snaps it back into place.\n\n330-390s: He leaves the window area again, walking through the bedroom and back into the main living space. He passes a full-length mirror leaning against a wall and a yellow exercise ball on the floor. He circles back towards the window sill.\n\n390-430s: He returns to the window sill near the coffee maker. A smartphone is lying flat on the surface, connected to a white charging cable. He picks up the phone, briefly checks the screen, and then places it back down on the sill.\n\n430-480s: The man stands by the window, looking out at the rainy exterior. He shifts his position slightly, looking around the room and back out the window. The video concludes with him standing near the window, facing partially towards the interior of the room.", "questions": [{"question": "After I poured the coffee grounds into the filter, I later wiped a surface, sprayed a window, and inspected a container. Which did I do first, and what did I use to wipe the surface?", "options": ["A. First I sprayed the window, and I used a blue liquid spray bottle", "B. First I wiped the surface, and I used a white paper towel from the roll", "C. First I inspected the container, and I used a glass coffee carafe", "D. First I wiped the surface, and I used a blue liquid spray bottle"], "answer": "B", "evidence": "He tears off a sheet and uses it to wipe down the white surface of the sill, cleaning around the base of the coffee maker. He then picks up a spray bottle containing blue liquid, labeled 'Windex', and sprays the window pane. He then picks up a clear rectangular plastic container filled with assorted cookies... He lifts the clear lid to inspect the contents, then snaps it back.", "timestamps": "220-280s and 280-330s"}, {"question": "After I placed the glass carafe on the heating plate, which of these actions did I do last?", "options": ["A. Picking up the smartphone from the sill and checking its screen", "B. Lifting the clear container's lid to inspect the cookies inside", "C. Spraying the window pane with Windex and wiping it with a towel", "D. Closing the coffee maker's black lid after pouring in the grounds"], "answer": "A", "evidence": "He picks up the phone, briefly checks the screen, and then places it back down on the sill.", "timestamps": "390-430s"}, {"question": "After I placed the glass carafe on the heating plate, which of these did I do first?", "options": ["A. Wiping the window sill with a white paper towel from the roll", "B. Picking up the dark glass bottle from the bar cart to inspect it", "C. Lifting the clear lid of the cookie container to see the cookies", "D. Walking through the spacious modern living room toward the dining area"], "answer": "D", "evidence": "He walks away from the coffee station. He moves through a spacious, modern living room featuring grey tufted sofas...", "timestamps": "75-120s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "895dce08-b934-4881-b94c-cde7aa1bd058", "description": "0-55s: The video begins with a first-person view of a person standing at a kitchen sink. They are holding a yellow potato in their left hand and using a large kitchen knife in their right hand to peel the skin off over the stainless steel sink. A small metal bowl containing raw meat sits in the sink basin. To the right, a white cutting board rests on the counter. The person finishes peeling the potato.\n\n55-105s: The person places the peeled potato onto the white cutting board and begins chopping it into chunks. They transfer the potato pieces into a small metal saucepan sitting on the counter. Afterward, they walk to the refrigerator, open the bottom crisper drawer, and retrieve a bag of carrots. They return to the counter and open the plastic bag.\n\n105-155s: Using a vegetable peeler, the person peels a carrot over the sink, letting the skins fall into the basin. They rinse the carrot and the peeler under the running tap. The peeled carrot is then placed on the cutting board and chopped into chunks, which are added to the saucepan with the potatoes.\n\n155-205s: The person rinses the sink area briefly. They pick up the saucepan containing the chopped vegetables and place it on the gas stovetop, turning on the burner. They then open a drawer beneath the stove, retrieve a black frying pan, and place it on an adjacent burner.\n\n205-255s: The person reaches up to a shelf above a toaster oven and grabs a box of plastic wrap (labeled \"100\"). They tear off a sheet and wrap a leftover piece of carrot. They open the refrigerator again, place the wrapped carrot inside, and then retrieve a bag of green cucumbers. Back at the counter, they unwrap the cucumbers.\n\n255-305s: The person walks over to a rice cooker on the counter and presses a button; the digital display reads \"18:53\". They return to the refrigerator, open the main door, and take out a carton of milk (blue and white packaging). They open the carton and set it down.\n\n305-355s: The person handles the cucumbers at the counter, appearing to snap off the ends or inspect them. They move back and forth between the counter and the sink area.\n\n355-405s: The person lifts the lid of the saucepan on the stove to check the simmering vegetables. They return to the sink and wash the cucumber thoroughly under the tap. They then use the peeler to remove some skin from the cucumber directly over the sink.\n\n405-455s: The person rinses the white cutting board under the tap to clean it. They place the cleaned cucumber on the board. They open the refrigerator once more, retrieve a small seasoning packet, and return to the counter.\n\n455-480s: The person tears open the small seasoning packet. They then turn and walk away from the kitchen counter, moving into the adjacent living area where a fan and desk are visible.", "questions": [{"question": "After I had peeled and chopped carrots into the saucepan, what did I do with the extra piece of carrot before moving on to the cucumbers?", "options": ["A. I wrapped it in a plastic sheet and returned the wrapped carrot to the refrigerator", "B. I rinsed the carrot and the peeler under the running tap and set it aside", "C. I chopped it into pieces and added the pieces to the saucepan with the potatoes", "D. I peeled the carrot's skin over the sink with the vegetable peeler"], "answer": "A", "evidence": "The person tears off a sheet and wraps a leftover piece of carrot, opens the refrigerator again, places the wrapped carrot inside, then retrieves a bag of green cucumbers.", "timestamps": "105-155s and 205-255s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "8d3f5b12-ac2c-4315-80ed-bb827aa91bd4", "description": "0-25s: The video opens with a static, wide shot of a modern living room. A large window is decorated with colorful party bunting. In the foreground, a white coffee table holds an assembled Jenga tower, two teal mugs, and a red box of \"Choco Pies\". A black flat-screen TV sits on a white media console against the wall. To the right, a white shelving unit holds various items including a coffee maker.\n\n25-110s: A person's hands enter the frame holding a smartphone in landscape orientation. They begin watching a video on the phone, which shows clips of a man working on a car tire and then a bowling game. The camera remains focused on the living room scene, with the phone screen visible in the lower portion of the frame.\n\n110-145s: The person continues to interact with the smartphone. They swipe through what appears to be a social media feed or app interface before selecting another video to watch. The content on the phone screen changes accordingly.\n\n145-180s: The person puts the phone down, out of view. The camera angle shifts slightly as they appear to settle back into their seat. The focus returns to the living room environment for an extended period.\n\n180-215s: The person picks up the smartphone again and resumes watching videos. The camera captures them scrolling through content and viewing different short clips. At one point, the word \"amazon\" is briefly visible on the phone's screen.\n\n215-235s: The person lowers the phone once more. The camera pans up towards the ceiling, showing exposed ductwork and fluorescent lights, before panning back down to the living room setup.\n\n235-260s: The camera perspective changes dramatically. It turns to show a woman with dark hair tied up, wearing sunglasses and a mauve-colored shirt, who smiles at the camera. She then gets up and walks away from the seating area. The camera follows her as she moves through a hallway, passing a bedroom and entering an office space where other people are present. The final frames show her interacting with someone off-camera near some storage bins.", "questions": [{"question": "After I had already watched a tire fix and a bowling game, what did I do when I picked up the phone again later?", "options": ["A. I watched a clip showing a man working on a car tire.", "B. I watched a short video of a bowling game being played.", "C. I swiped through a social media feed and chose another video.", "D. I resumed watching videos and scrolled through different short clips."], "answer": "D", "evidence": "The person picks up the smartphone again and resumes watching videos. The camera captures them scrolling through content and viewing different short clips.", "timestamps": "25-110s and 180-215s"}, {"question": "After the early phone clips and a second round of scrolling, what did I look at before the camera showed the woman?", "options": ["A. I looked upward at exposed ductwork and fluorescent lights.", "B. I looked at the coffee maker on the white shelving unit.", "C. I looked at the red box of Choco Pies on the coffee table.", "D. I looked toward the office space where other people were present."], "answer": "A", "evidence": "The person lowers the phone once more. The camera pans up towards the ceiling, showing exposed ductwork and fluorescent lights, before panning back down to the living room setup.", "timestamps": "25-145s and 215-235s"}, {"question": "What did I do during my first phone session, and what did I do just before I put the phone down for the second time?", "options": ["A. I watched a bowling game, then before the second put-down I saw the ceiling lights.", "B. I swiped a social media feed, then before the second put-down I saw the living room setup.", "C. I watched a man fix a car tire, then before the second put-down I scrolled through short clips.", "D. I chose another video from a feed, then before the second put-down I saw the woman in mauve."], "answer": "C", "evidence": "The first phone session includes a car-tire clip, a bowling game, and swiping through a feed. The second phone session ends with scrolling through short clips before the phone is lowered.", "timestamps": "25-145s and 180-215s"}, {"question": "After I had spent much of the video watching clips on my phone, what did I do when the woman smiled at me and got up?", "options": ["A. I stayed in my seat and watched the living room setup.", "B. I followed her through the hallway to the office, where other people were present.", "C. I put the phone down and panned the camera up at the exposed ductwork.", "D. I picked up the phone again and started scrolling through short clips."], "answer": "B", "evidence": "A woman with dark hair tied up, wearing sunglasses and a mauve-colored shirt, smiles at the camera. She then gets up and walks away; the camera follows her through a hallway, passing a bedroom and entering an office space.", "timestamps": "180-215s and 235-260s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "8e701bd2-1489-4d3c-97ff-b8cd9279ed81", "description": "0-120s: The video begins with a first-person view of a person kneeling on an OSB subfloor that is partially covered with dark grey, wood-grain vinyl planks. The person is pressing down on the planks near a white wall to secure the click-lock mechanism. Various tools, including a hammer, a wooden tapping block, and yellow-handled tin snips, are scattered on the newly laid floor. The person adjusts their position and continues to lay planks, moving across the room.\n\n120-240s: The installation continues as the person works their way towards a large silver appliance (likely a refrigerator or freezer) situated on the left side of the frame. They lay down long strips of flooring, aligning them with the existing rows. The camera pans around, showing the progress; a significant portion of the OSB subfloor is now covered. A shop vacuum is visible nearby.\n\n240-300s: The person pauses the installation to retrieve more materials. They stand up and walk to a corner of the room where boxes are stored. They pick up a long cardboard box with the text \"FLOORMATION\" printed on it. Using a blue utility knife, they slice the tape and open the box to reveal new planks inside. Afterward, they walk over to a black refrigerator, open the door, and retrieve a clear plastic water bottle with an orange cap. They unscrew the cap and take a drink before returning to the work area.\n\n300-480s: Resuming work near the silver appliance, the person prepares to cut a plank to fit a specific gap. They use a wooden folding ruler to measure the space and a black marker to transfer the measurement onto a plank. They use a metal speed square to draw a straight cutting line. Taking the yellow-handled tin snips, they cut along the marked line on the flexible vinyl plank. They test-fit the cut piece into the gap next to the appliance. This process of measuring with the folding ruler, marking with the speed square, and cutting with the snips is repeated to fit the final remaining sections of the floor near the appliance and walls.", "questions": [{"question": "Earlier I opened the 'FLOORMATION' box with a blue utility knife. Later, while fitting the final sections near the silver appliance, I measured a gap with the folding ruler. What tool did I use next to draw the straight cutting line before cutting the plank?", "options": ["A. a metal speed square to draw the straight cutting line", "B. a wooden tapping block to secure the click-lock planks", "C. a blue utility knife to slice the tape on the box", "D. a black marker to transfer the measurement onto the plank"], "answer": "A", "evidence": "They use a wooden folding ruler to measure the space and a black marker to transfer the measurement onto a plank. They use a metal speed square to draw a straight cutting line.", "timestamps": "240-300s and 300-480s"}, {"question": "Earlier I was laying planks near the silver appliance. After I paused to open the 'FLOORMATION' box in the corner, I walked over to the black refrigerator. Why did I go there?", "options": ["A. to find a black marker to transfer the measurement onto a plank", "B. to put away the blue utility knife after opening the cardboard box", "C. to retrieve a clear water bottle with an orange cap and take a drink", "D. to fetch a metal speed square to draw a straight cutting line"], "answer": "C", "evidence": "The person pauses the installation to retrieve more materials. They stand up and walk to a corner of the room where boxes are stored. They pick up a long cardboard box... They walk over to a black refrigerator, open the door, and retrieve a clear plastic water bottle with an orange cap.", "timestamps": "120-240s and 240-300s"}, {"question": "At the start of the video, I saw yellow-handled tin snips on the newly laid planks. Much later, while fitting the final section near the silver appliance, what did I do with those same tin snips?", "options": ["A. left them behind on the floor when I walked to the corner", "B. cut the flexible vinyl plank along the marked line to fit the gap", "C. used them to slice the tape and open the cardboard box", "D. pressed them down to secure the click-lock planks near the wall"], "answer": "B", "evidence": "Various tools, including a hammer, a wooden tapping block, and yellow-handled tin snips, are scattered on the newly laid floor. Taking the yellow-handled tin snips, they cut along the marked line.", "timestamps": "0-120s and 300-480s"}, {"question": "After I returned from the black refrigerator with a drink, I prepared to cut a plank near the silver appliance. What did I use to transfer the measurement onto the plank, and what did I use to draw the straight cutting line?", "options": ["A. a blue utility knife to transfer, and a wooden tapping block to draw the line", "B. a shop vacuum to transfer, and a hammer to draw the line", "C. a wooden folding ruler to transfer, and a yellow-handled tin snips to draw", "D. a black marker to transfer, and a metal speed square to draw the line"], "answer": "D", "evidence": "They use a wooden folding ruler to measure the space and a black marker to transfer the measurement onto a plank. They use a metal speed square to draw a straight cutting line.", "timestamps": "240-300s and 300-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "9018ea50-bda8-4bb5-a3c1-da81c24d2018", "description": "0-45s: The video begins with a close-up, first-person view of the underside of a red riding lawnmower on a lift. A person's hand is visible near the engine area. The camera then pulls back to show the person using a green-handled screwdriver to work on the front deck of the mower. They then move to a tool cart, pick up a small metal part (a cotter pin), and examine it.\n\n45-120s: The person walks over to a black tool chest and retrieves another small part from a container of hardware. They return to the red mower, holding both parts, and appear to be preparing to install them. After a brief inspection, they use an orange power tool, likely an impact driver, to fasten something underneath the mower's front deck.\n\n120-210s: Having completed the task on the red mower, the person wipes their hands with a purple cloth. They walk out of the workshop into a paved lot where several other yellow and black zero-turn mowers are parked. They get onto one of the yellow Cub Cadet mowers, start it, and drive it back into the garage, parking it next to another orange mower.\n\n210-300s: The person gets off the yellow mower, dismounts the orange one, and walks across the lot. They approach a silver Ford pickup truck, open the driver's side door, and wipe down the interior door panel with the purple cloth before getting in. They then exit the truck, walk past a stack of wooden pallets, and inspect a red hydraulic log splitter, looking at a piece of paper attached to it.\n\n300-375s: The person walks back towards the workshop entrance. Another man in a tan shirt walks past them inside the shop. The camera operator re-enters the workshop and returns to the original red Exmark lawnmower on the lift.\n\n375-480s: Resuming work on the red mower, the person uses the green-handled screwdriver again to adjust components near the engine pulleys and belts. They reach deep into the engine compartment to make adjustments. Finally, they retrieve a new oil filter from a wall-mounted cabinet and walk back towards the red mower as the video concludes.", "questions": [{"question": "After I wiped my hands with the purple cloth, what did I later use the same cloth for?", "options": ["A. wiping down the interior door panel of the silver truck", "B. adjusting the engine belts on the red lawnmower", "C. inspecting the hydraulic log splitter's attached paper", "D. driving the yellow Cub Cadet mower into the garage"], "answer": "A", "evidence": "The person wipes their hands with a purple cloth. They approach a silver Ford pickup truck, open the driver's side door, and wipe down the interior door panel with the purple cloth.", "timestamps": "120-210s and 210-300s"}, {"question": "Before I walked past the wooden pallets, which of these actions had I already completed?", "options": ["A. inspecting the hydraulic log splitter", "B. driving the yellow mower into the garage", "C. adjusting the engine belts with the screwdriver", "D. retrieving a new oil filter from the wall cabinet"], "answer": "B", "evidence": "They get onto one of the yellow Cub Cadet mowers, start it, and drive it back into the garage. They then exit the truck, walk past a stack of wooden pallets.", "timestamps": "120-210s and 210-300s"}, {"question": "Which did I do first: use an impact driver to fasten a component under the red mower, or adjust the engine belts with a screwdriver?", "options": ["A. adjusting the engine belts with the green-handled screwdriver", "B. wiping down the interior door panel of the silver truck", "C. inspecting the hydraulic log splitter's attached paper", "D. using the orange impact driver to fasten a part under the deck"], "answer": "D", "evidence": "They use an orange power tool, likely an impact driver, to fasten something underneath the mower's front deck. The person uses the green-handled screwdriver again to adjust components near the engine pulleys and belts.", "timestamps": "45-120s and 375-480s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "8c788340-5a9c-420d-8c29-ed7880d5d9ab", "description": "**0-45s:** The video begins with a first-person view of someone cooking in a kitchen. A silver pot sits on the front-left burner of a white electric stove with four coil burners. Inside the pot, chunks of meat and yellow vegetables (likely pumpkin or squash) are simmering in a broth. The person uses dark chopsticks to stir the contents. To the left of the stove, on the granite countertop, are several spice jars with red lids and glass oil bottles. To the right, garlic bulbs and ginger root sit on the counter. Above the stove, a white range hood with the text \"FABER\" is visible. The person is wearing a green t-shirt with a white geometric pattern on the back and black shorts.\n\n**45-90s:** The person moves to the kitchen sink area to clean up. They rinse a yellow plastic cutting board under the tap in a stainless steel double-basin sink. After rinsing, they place the board aside. They then proceed to clean food scraps from the sink basin, gathering them into a white plastic bag held in their left hand. A bottle of dish soap and a yellow sponge are visible on the counter near the sink. A roll of paper towels stands nearby.\n\n**90-120s:** The person leaves the kitchen and walks into the adjacent living/dining area. They approach a wooden dining chair where a pile of laundry (white, blue, and black garments) is resting. A blue bag with the text \"RUST\" is also on the chair. They gather the clothes into their arms. A round wooden dining table with a laptop and a white kettle is visible in the center of the room.\n\n**120-180s:** Carrying the laundry, the person walks into a utility area or bathroom containing a washing machine. They open the door of the white Samsung washing machine and stuff the clothes inside. They then retrieve an orange bottle of Tide laundry detergent. They pour the detergent into the cap and then into the dispenser drawer of the machine. After closing the drawer, they press buttons on the control panel, illuminating a red indicator light, and turn off a light switch on the wall.\n\n**180-295s:** The person moves to a bathroom sink to hand-wash a specific item: a white garment with black trim (possibly underwear or a small shirt). They wet the garment under the running tap. A small blue bottle of liquid soap is used to apply detergent directly to the fabric. For an extended period, the person vigorously scrubs the garment with their hands, rinses it under the tap, and repeats the process. A mirror above the sink reflects their actions. A box of Lavazza coffee is visible on the counter.\n\n**295-330s:** After thoroughly washing and rinsing the garment, the person wrings it out over the sink to remove excess water. They carry the damp white cloth out of the bathroom and into the living room. They walk over to a wooden chair positioned near a window with blue curtains and drape the garment over the back of the chair to dry. Several pairs of shoes are scattered on the floor nearby.\n\n**330-480s:** The person returns to the kitchen to monitor the cooking. They stand in front of the stove where the pot is still simmering. They check their smartphone briefly while watching the food. They reach out and adjust the knob for the burner, likely regulating the heat. The video concludes with the person standing by the stove, observing the pot as it cooks, occasionally glancing at their phone. The \"FABER\" logo on the range hood remains visible throughout this segment.", "questions": [{"question": "Before I draped the washed white garment over the chair near the window, where had I left it to dry after wringing it out, and what did I use to clean it?", "options": ["A. I left it on the kitchen counter and used dark chopsticks", "B. I left it in the bathroom sink and used liquid soap from a blue bottle", "C. I left it on the dining table and used Tide from the orange bottle", "D. I left it on the washing machine and used the yellow sponge"], "answer": "B", "evidence": "At 180-295s I hand-washed the garment in the bathroom sink using liquid soap from a small blue bottle. After wringing it out at 295s, I carried it to the living room and draped it over the chair by the window.", "timestamps": "180-295s and 295-330s"}, {"question": "After I scrubbed the white garment under the tap for a long time, what did I do with it before I walked into the living room, and what was on the counter near the sink while I was scrubbing?", "options": ["A. I rinsed it again and the Lavazza coffee box was on the counter", "B. I wrung it out and the roll of paper towels stood nearby", "C. I placed it in the dryer and the dish soap bottle was visible", "D. I folded it and the spice jars with red lids were on the counter"], "answer": "A", "evidence": "At 180-295s I scrubbed the garment repeatedly, rinsing under the tap. A box of Lavazza coffee was on the counter. At 295-330s I wrung it out over the sink and carried it to the living room.", "timestamps": "180-295s and 295-330s"}, {"question": "After I had been away from the kitchen for a while, where was the white garment I hand-washed, and what was the state of the soup pot when I came back?", "options": ["A. On the chair by the window, and the pot was still simmering.", "B. In the bathroom sink, and the pot had boiled over.", "C. On the dining table, and the pot had gone cold.", "D. Inside the washing machine, and the pot was empty."], "answer": "A", "evidence": "They walk over to a wooden chair and drape the garment over the back of the chair to dry. The pot is still simmering when the person returns to the kitchen.", "timestamps": "295-330s and 330-480s"}, {"question": "After I had spent a long time scrubbing the white garment with black trim under the running tap, why did I carry it from the bathroom into the living area?", "options": ["A. To fold it and place it on the dining table.", "B. To drape it over a chair back so it would dry.", "C. To hang it from a clothes rack near the window.", "D. To toss it into a laundry basket on the floor."], "answer": "B", "evidence": "They carry the damp white cloth out of the bathroom and into the living room. They walk over to a wooden chair and drape the garment over the back of the chair to dry.", "timestamps": "180-295s and 295-330s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "903e0bf6-db7e-4b1c-8cb9-867317963fde", "description": "0-120s: The video begins with a first-person perspective of a person working underneath the chassis of a lawnmower, specifically near the engine and transmission area. The person's arms are reaching into the confined space, manipulating components that appear to be part of the drive belt system. A yellow plastic guard is visible beneath the engine, and a blue-handled screwdriver rests on the metal frame nearby. The person continues to adjust and inspect the internal mechanisms, reaching upwards and sideways within the engine bay.\n\n120-180s: The person steps away from the mower and walks over to a red hydraulic lift positioned nearby. They pick up a green-handled hammer from the lift's surface, which is cluttered with various tools like wrenches and pliers. Returning to the mower, the person uses the hammer to strike the wheel axle area repeatedly. This action suggests an attempt to loosen a seized part, seat a bearing, or free up a stuck component on the wheel assembly. After hammering, they inspect the wheel's movement.\n\n180-420s: The person resumes work underneath the mower. An assistant, identifiable by a black shirt and a yellow wristband, joins to help. Together, they work on installing a metal belt guard/cover. They align the metal plate with the frame, ensuring it fits over the belt and pulley system. The assistant helps hold the plate in place while the primary worker inserts and tightens bolts. The green hammer is seen resting on the mower's frame during this process. The pair meticulously adjusts the belt routing around the pulleys, ensuring it is seated correctly.\n\n420-480s: Towards the end of the video, the person retrieves a white paper diagram (schematic) showing the belt routing path. They hold it up to the camera and the mower to verify the correct configuration against the physical machinery. The text \"SALES PRO\" is visible on the person's grey shirt. After consulting the diagram, they make final adjustments to the belt and secure the remaining bolts on the metal guard. The video concludes with the person performing final checks on the installation, ensuring everything is tight and properly aligned.", "questions": [{"question": "Before my assistant in the black shirt joined me, what was the last task I completed on the mower, and what tool did I use for it?", "options": ["A. I struck the wheel axle area with a green-handled hammer to free a seized part", "B. I removed the old drive belt from the pulley system using a blue screwdriver", "C. I loosened the transmission bolts with a wrench from the red hydraulic lift", "D. I inspected the engine spark plug and cleaned it with a wire brush"], "answer": "A", "evidence": "120-180s: The person steps away from the mower and walks over to a red hydraulic lift. They pick up a green-handled hammer from the lift's surface. Returning to the mower, the person uses the hammer to strike the wheel axle area repeatedly. This action suggests an attempt to loosen a seized part, seat a bearing, or free up a stuck component on the wheel assembly.", "timestamps": "0-120s and 120-180s"}, {"question": "Earlier I used the green-handled hammer to strike the wheel axle. After I finished hammering and resumed work underneath the mower, where did I leave the hammer before my assistant arrived?", "options": ["A. I left it resting on the metal frame of the mower near the engine bay", "B. I placed it back on the red hydraulic lift with the other tools", "C. I set it on the ground beside the front wheel of the mower", "D. I handed it to my assistant to hold while we aligned the belt guard"], "answer": "A", "evidence": "180-420s: The assistant helps hold the plate in place while the primary worker inserts and tightens bolts. The green hammer is seen resting on the mower's frame during this process.", "timestamps": "180-420s and 120-180s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "8722d77a-9959-480d-a67e-9f842d1079d4", "description": "0-50s: The video begins with the person standing at a kitchen sink. They open the bottom drawer of a silver refrigerator and retrieve several bags of vegetables: green cucumbers, a purple eggplant, and a yellow onion. These are placed on the stainless steel countertop. The person then takes the cucumbers out of their plastic packaging and rinses them thoroughly under the running tap water in the sink.\n\n50-130s: The washed cucumbers are placed on a white rectangular cutting board. Using a large kitchen knife, the person trims the ends of the cucumbers. They proceed to cut the cucumbers into manageable lengths, then slice them lengthwise and crosswise into thin, uniform sticks (julienne style). The chopped cucumber pieces accumulate on the cutting board.\n\n130-200s: The chopped cucumbers are transferred into a clear rectangular plastic container. The container is placed on a white digital kitchen scale, which initially reads \"389\" (likely grams). The person retrieves a small jar containing a white powder (likely salt or sugar) and uses a metal spoon to add it to the cucumbers. The scale briefly shows \"20\" (possibly tared weight of seasoning). Later, the scale reads \"490\", indicating additional ingredients or liquid may have been added. The person secures a blue lid onto the container and shakes it vigorously to mix the cucumbers with the seasoning.\n\n200-300s: The seasoned cucumber container is set aside. The person takes the purple eggplant and places it on the cutting board. They trim the stem end and cut the eggplant into thick wedges or chunks using a rolling cut technique. The cut eggplant pieces are transferred into a round silver metal bowl.\n\n300-420s: Next, the person handles the yellow onion. They peel off the dry outer skin layers over the sink and discard them. The onion is placed on the cutting board, cut in half, and then sliced into thin wedges. The sliced onion is gathered on the board.\n\n420-480s: The person walks back to the refrigerator and opens the main door. They retrieve a vacuum-sealed package of raw meat (appearing to be pork slices) from a shelf. The package is placed on the countertop next to the prepared vegetables. The video concludes with all ingredients prepped: the container of seasoned cucumbers, the bowl of eggplant wedges, the sliced onion, and the package of meat ready for cooking.", "questions": [{"question": "Just before I opened the main refrigerator door for the meat, which of these had I most recently finished doing?", "options": ["A. cutting the purple eggplant into thick chunks with a rolling cut", "B. slicing the yellow onion into thin wedges after peeling its dry skin", "C. rinsing green cucumbers under the tap after removing their plastic", "D. mixing cucumber sticks with white seasoning in blue-lidded container"], "answer": "B", "evidence": "After cutting the eggplant, the person peeled the yellow onion and sliced it into thin wedges, then walked to the refrigerator and retrieved the meat.", "timestamps": "300-420s and 420-480s"}, {"question": "When I returned to the refrigerator at the end, what did I take out, and what had I just finished doing beforehand?", "options": ["A. the vacuum-sealed pork slices after I sliced the onion into wedges", "B. jar of white seasoning powder after shaking the cucumber container", "C. a purple eggplant from the drawer after rinsing the green cucumbers", "D. yellow onion from the drawer after cutting the eggplant into chunks"], "answer": "A", "evidence": "At the end, the person opened the main door and retrieved a vacuum-sealed package of raw meat; immediately before this, the onion had been sliced into thin wedges.", "timestamps": "300-420s and 420-480s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "8dfe640e-b129-469f-aca3-36e4c5ec8184", "description": "0-48s: The video opens with a first-person view of a kitchen counter. A silver laptop is propped up on a stand, playing a cooking video. To the left, a stainless steel sink is cluttered with dirty dishes, including an orange frying pan and white plates. To the right, a black gas stovetop holds a small silver saucepan. The person stands before the counter, hands visible near the sink area.\n\n48-96s: The person walks away from the counter into a dimly lit storage area or pantry. They reach up to a high shelf and retrieve a large, clear plastic bag filled with white rice. The bag features colorful Japanese text. They carry the bag back to the main kitchen counter.\n\n96-144s: Standing at the counter, the person opens the rice bag. Using a clear plastic measuring cup, they scoop rice from the bag. They hold the cup over the bag to catch any spills while leveling the rice.\n\n144-192s: The person takes the measuring cup filled with rice to the sink. They turn on the faucet and fill the cup with water. Using their hand, they swirl the rice vigorously to wash it. They carefully drain the cloudy, starchy water into the sink basin. This washing and draining process is repeated.\n\n192-240s: After washing, the person pours the clean, wet rice from the measuring cup into the black inner pot of a rice cooker. They then refill the measuring cup with water from the tap and pour it into the rice cooker pot to the appropriate level.\n\n240-288s: The person carries the rice cooker pot to the rice cooker unit located to the right. They place the pot inside the machine, close the lid securely, and press buttons on the control panel to start the cooking cycle.\n\n288-336s: Returning to the counter, the person opens the bottom drawer of the refrigerator. Inside, among other vegetables like cucumbers and cabbage, they locate and remove two long, dark purple eggplants. They place the eggplants on a white cutting board positioned next to the sink.\n\n336-384s: Using a white Y-shaped vegetable peeler, the person begins to peel the skin off the eggplants. They peel in long strips, removing the dark purple skin to reveal the pale green flesh underneath. The peels accumulate on the cutting board as they work through all three eggplants.\n\n384-432s: Once peeling is complete, the person gathers the pile of eggplant skins and places them into a white plastic shopping bag for disposal. Next, they take a box of plastic wrap, tear off sheets, and individually wrap each peeled eggplant to preserve freshness.\n\n432-480s: The person places the wrapped eggplants onto a small plate. They walk over to a microwave oven sitting on top of the refrigerator. They open the microwave door, place the plate inside, close the door, and turn the dial on the front panel to set the cooking time.", "questions": [{"question": "After I removed the eggplants from the refrigerator, what was the first thing I did with them, and where did I put the peels afterward?", "options": ["A. Washed them at the sink and threw the peels in the trash", "B. Peeled them with a peeler and put the peels in a plastic bag", "C. Cut them into pieces and left the peels on the board", "D. Wrapped them in plastic and composted the peels"], "answer": "B", "evidence": "Using a white Y-shaped vegetable peeler, the person begins to peel the skin off the eggplants. Once peeling is complete, the person gathers the pile of eggplant skins and places them into a white plastic shopping bag for disposal.", "timestamps": "336-384s and 384-432s"}], "n_frames_described": 100, "rejected_blind": 9, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "8e6a0557-0004-4153-b3b6-f35bb39747f8", "description": "0-35s: The video opens with a view of a kitchen counter next to a stainless steel sink. A smartphone is lying on the counter. The person walks over to a large, silver refrigerator and opens the main door. They retrieve several items from inside: a white rectangular container, a red packet, and another small box. After closing the fridge, they open the bottom freezer drawer briefly before returning to the counter.\n\n35-120s: The person places the retrieved items on the counter. They take out a yellow cutting board from a dish rack positioned above the sink. Next, they unpack a cluster of shimeji mushrooms from a clear plastic bag onto the cutting board. They then pick up a knife and begin trimming the base of the mushroom cluster. Following this, they take a block of tofu in its packaging, cut it open with the knife, and remove the tofu from the plastic tray.\n\n120-210s: With the ingredients prepped, the person turns on the faucet at the sink and washes their hands. They then move to the gas stovetop where a small, silver saucepan is waiting. Using a clear measuring cup, they fill it with water from the tap and pour it into the saucepan. They turn on the burner under the pan. The person then retrieves a bottle of liquid seasoning (likely dashi or soy sauce) and a red tube of paste (likely miso or chili paste) and adds them to the water in the pot, stirring with a ladle.\n\n210-300s: While the broth heats up, the person prepares a side dish. They open a drawer in a nearby cabinet and take out a small white bowl. Placing the bowl on a digital kitchen scale, they use chopsticks to transfer kimchi from a red package labeled \"\uae40\uce58\" (Kimchi) into the bowl, weighing it. Once done, they seal the kimchi package and place it back in the refrigerator.\n\n300-480s: Returning to the stove, the person adds a spoonful of white powder, likely salt or sugar, from a storage container into the simmering soup. They stir the contents of the pot. Finally, they take the prepared shimeji mushrooms, separate them into smaller bunches by hand, and wash them thoroughly under running water in the sink, preparing them for addition to the soup.", "questions": [{"question": "After I had trimmed the mushroom cluster on the cutting board, what was the first thing I did before I added the liquid seasoning to the water?", "options": ["A. cut open the tofu package and removed the white block", "B. weighed the kimchi into a bowl on the digital scale", "C. turned on the faucet and washed my hands", "D. filled the saucepan with water from the tap"], "answer": "A", "evidence": "At 35-120s, after trimming the mushrooms, the person cuts open the tofu package and removes the block. Then at 120-210s, they wash hands and add seasoning.", "timestamps": "35-120s and 120-210s"}], "n_frames_described": 100, "rejected_blind": 10, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "8bf16989-e870-44bb-863c-c6745e69f6fb", "description": "0-45s: The video begins in a kitchen with a top-down view of a black gas stove branded \"Preethi Blue Flame\". A red lidded pot sits on the left burner. To the left of the stove, a stainless steel bowl contains white batter with a ladle inside, and a beige ceramic container holds a wooden spatula. The person stands with hands clasped, observing the stove.\n\n45-90s: The person reaches out with their right hand and lifts the red lid off the pot, revealing a thin crepe (dosa) cooking inside. They use the wooden spatula to lift the edge of the dosa, checking its doneness, then flip it over. The dosa is pale white with some brown spots forming.\n\n90-135s: The cooked dosa is removed (off-camera or quickly). The person picks up the stainless steel bowl with their left hand and uses the ladle in their right hand to scoop batter into the hot pan. They swirl the pan to spread the batter into a circle. Next, they pick up a small glass jar containing oil or ghee and drizzle it around the edges of the dosa.\n\n135-220s: The person places the red lid back onto the pan to let the dosa cook. They stand by the stove, waiting. The camera remains fixed on the covered pan. The flame is visible under the pan.\n\n220-240s: The scene cuts abruptly to an outdoor setting. The person is walking barefoot on reddish-brown soil. They are carrying a long-handled hoe with a silver shaft and red head in their right hand.\n\n240-280s: The person uses the hoe to dig into the loose red soil, breaking up clumps of earth. A small hand trowel with an orange handle lies on the ground nearby. They work methodically, swinging the hoe downwards.\n\n280-320s: The person switches tools, picking up the orange-handled trowel. They crouch down and use the trowel to dig carefully along the edge of a concrete curb or low wall, loosening the soil and removing small weeds.\n\n320-380s: The person puts the trowel down and picks up the hoe again. They use the hoe to scrape and loosen the soil along the length of the concrete curb, working their way along the garden bed.\n\n380-420s: The person walks along a paved path, carrying both the hoe and the trowel. They move towards a different section of the garden near a wall where several potted plants in terracotta pots are visible.\n\n420-480s: The person resumes digging near the wall, using the trowel to loosen soil around the base of plants and the hoe to clear larger areas. They pull out weeds by hand and continue to till the soil near the concrete border until the video ends.", "questions": [{"question": "After I poured the batter and swirled the pan, what did I do with the small glass jar, and what did I do with the red lid right after that?", "options": ["A. Drizzled oil around the edges, and placed the lid back on the pan.", "B. Poured oil from the jar, and set the lid aside on the counter.", "C. Capped the jar tightly, and used the lid to cover the batter bowl.", "D. Set the jar down on the counter, and rinsed the lid under the tap."], "answer": "A", "evidence": "The person picks up a small glass jar containing oil or ghee and drizzles it around the edges of the dosa, then places the red lid back onto the pan to let the dosa cook (90-135s and 135-220s).", "timestamps": "90-135s and 135-220s"}, {"question": "After I used the trowel to dig along the curb, what did I do with the hoe?", "options": ["A. I used the hoe to scrape the soil along the curb.", "B. I used the hoe to break up clumps of soil.", "C. I used the hoe to loosen soil near the wall.", "D. I used the hoe to clear weeds from the soil."], "answer": "A", "evidence": "280-320s: The person switches tools, picking up the orange-handled trowel and digs along the curb. 320-380s: The person puts the trowel down and picks up the hoe again, using it to scrape and loosen the soil along the curb.", "timestamps": "280-320s and 320-380s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "908de14d-8b38-4080-8e16-21a373302a85", "description": "0-95s: The video opens with a static wide shot of a bright living room. On the left, a person wearing an orange t-shirt sits on a black leather sofa, looking at a tablet or phone. Next to them, partially visible on the far left edge, a child is seated, writing or drawing on a piece of paper. On the right, a person in grey patterned pajamas lies on a beige fabric sofa, holding a book or paper up to their face, appearing to read. Between them is a dark coffee table with a white mug, papers, and a small potted succulent. A large sliding glass door with beige curtains lets in daylight.\n\n95-115s: The camera pans to the right, shifting focus from the people to the coffee table and the area beyond. This reveals a black TV stand on the right wall with a television and a pile of folded clothes (including red shorts and a striped shirt). The camera settles on a black hard-shell case resting on the coffee table.\n\n115-145s: A pair of hands enters the frame holding a white booklet. The text \"MASSAGE GUN USER'S MANUAL\" is clearly visible on the cover. The hands flip through the pages briefly, then close the booklet. The hands then proceed to unzip and open the black case on the table. Inside the lid, a green card is visible with the text \"MASSAGE GUN\".\n\n145-175s: The hands reach into the opened case and lift out a black percussion massage gun. The person holds the device, examining it. A blue LED indicator light on the base of the gun illuminates, indicating it is powered on.\n\n175-240s: The camera angle tilts down, focusing on the person's left leg, which is extended and wearing a white ankle sock. The massage gun is brought into contact with the calf muscle. The person moves the vibrating gun along the lower leg. After a short period of use, the gun is lifted away and placed back into its molded slot inside the black case.\n\n240-455s: The camera remains fixed in a downward-looking position, showing the person's leg in the white sock and the open case containing the massage gun on the coffee table. For this extended duration, there is no significant action; the person appears to be resting their leg near the table while the device sits unused in its case.\n\n455-480s: The camera pans back up and to the left, returning to the initial wide view of the living room. The person in the orange shirt and the child are still on the left sofa, and the person in pajamas is still reading on the right sofa. The open case remains visible on the coffee table in the foreground as the video ends.", "questions": [{"question": "After I had finished using the massage gun on my calf, what was the condition of the gun and its case by the end of the video?", "options": ["A. The gun was back in its slot, and the case remained open.", "B. The gun lay on the coffee table, and the case was closed.", "C. The gun was still in my hand, and the case was open.", "D. The gun was back in its slot, and the case was closed."], "answer": "A", "evidence": "At 175-240s, the gun is placed back into its molded slot inside the black case. At 455-480s, the open case is still visible on the coffee table.", "timestamps": "175-240s and 455-480s"}, {"question": "Which did I do first among reading the manual, unzipping the case, and opening the case, and what did I do with the massage gun afterward?", "options": ["A. I unzipped the case first, and then I used the gun on my calf.", "B. I opened the case first, and then I placed the gun back in the case.", "C. I read the manual first, and then I lifted the gun out.", "D. I read the manual first, and then I used the gun on my calf."], "answer": "C", "evidence": "I read the manual first, then unzipped and opened the case, saw the green card, and lifted out the gun. Later I used it and placed it back.", "timestamps": "115-145s and 145-175s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "943cd6ea-0683-4198-b7b9-10e5a2ab0683", "description": "0-50s: The video begins with a first-person view of someone cleaning a white bicycle frame with the text \"KHS\" visible on the top tube. They use a grey cloth to wipe down the frame. The person then walks towards a sink area in the workshop, carrying a spray bottle and a yellow cloth, before returning to the main workspace. They move the white bike frame across the tiled floor and briefly interact with a black bike frame lying nearby.\n\n50-100s: The person inspects a blue bicycle mounted on a repair stand, touching its rear wheel. They glance at a yellow bike frame hanging on the wall. After adjusting the seat on the blue bike and moving it aside, they walk to the back storage area where numerous bikes are hanging. They select an orange bicycle frame with \"SOMA\" written in white letters on the downtube and carry it towards the center of the workshop.\n\n100-150s: The orange frame is placed onto a black repair stand. The person inspects the handlebars and the front wheel, which has an orange tire with \"MICHELIN\" branding. They proceed to remove the front wheel from the fork dropouts. Once detached, they carry the wheel over to a wooden workbench.\n\n150-200s: The wheel is placed on a grey mat labeled \"Pandora\" on the workbench. The person inspects the silver disc brake rotor. They open a cabinet beneath the workbench and retrieve a black spray can with a red cap. They begin spraying the disc brake rotor liberally with the cleaner.\n\n200-250s: The person continues to spray the rotor, rotating the wheel to ensure both sides are covered. They set the can down and pick up a white cloth. They meticulously wipe the rotor surface, removing any residue. They inspect the rotor closely, running a finger over it to check for cleanliness. They spray it one more time for good measure.\n\n250-300s: Moving back to the orange bike on the stand, the person focuses on the blue front brake caliper. Using a blue T-handle Allen key, they loosen the bolts securing the caliper. They carefully remove the brake pads from the caliper body and hold them up for inspection before placing them on the workbench next to a receipt.\n\n300-350s: The person picks up the spray can again and sprays the brake caliper mounting area on the orange fork legs. They also spray the fork legs themselves. They then take the white cloth and wipe down the orange fork legs and the brake mount area, ensuring no cleaner drips onto the rim or tire.\n\n350-409s: The person continues to wipe down the fork and the surrounding area. They place the cloth on the workbench, tidying up the space. The video concludes with the orange bike frame mounted on the stand, the wheel resting on the bench, and the workspace appearing cleaner after the maintenance session. Visible text includes \"CASADEI\" on a component leaning against a shelf and \"AVID\" on a box in the background.", "questions": [{"question": "After I wiped down the white KHS frame at the very start of the video, what did I later place on the grey Pandora mat on the workbench?", "options": ["A. The front wheel fitted with an orange tire taken from the orange frame", "B. The blue brake caliper whose pads I removed at the workbench", "C. The black spray can with a red cap used for cleaning the brake rotor", "D. The white KHS frame that I had cleaned near the start of the video"], "answer": "A", "evidence": "The white KHS frame is cleaned at the start; later, the front wheel is removed from the orange frame and placed on a grey mat labeled 'Pandora' on the workbench.", "timestamps": "0-50s and 150-200s"}, {"question": "After I moved the white KHS frame across the tiled floor near the sink, what did I later take out of the cabinet under the workbench?", "options": ["A. A blue T-handle Allen key used later on the brake caliper bolts", "B. A black spray can with a red cap used for cleaning the brake rotor", "C. A grey cloth used to wipe down the white KHS bicycle frame at first", "D. A yellow cloth carried with a spray bottle near the start of the video"], "answer": "B", "evidence": "The white KHS frame is moved across the tiled floor early on; later, a cabinet beneath the workbench is opened and a black spray can with a red cap is retrieved.", "timestamps": "0-50s and 150-200s"}, {"question": "Earlier I sprayed the brake rotor with the black can; after I removed the brake pads from the blue caliper, what did I do next?", "options": ["A. I sprayed the front wheel's rotor one more time with the black can", "B. I wiped the orange fork legs with a white cloth right afterward", "C. I sprayed the brake caliper mounting area and the orange fork legs", "D. I wiped the brake rotor with a white cloth to remove the residue"], "answer": "C", "evidence": "After spraying the rotor and later removing the brake pads, the next action is picking up the spray can again and spraying the brake caliper mounting area and the orange fork legs.", "timestamps": "200-250s and 300-350s"}, {"question": "Earlier I selected a frame from the back storage area; later I cleaned its front brake caliper. What color was the selected frame, and what tool did I use to loosen the caliper bolts?", "options": ["A. Blue frame; grey cloth used to wipe the white KHS frame at the start", "B. Yellow frame; black spray can with a red cap for the brake rotor", "C. Black frame; white cloth used to wipe the brake rotor after spraying", "D. Orange frame; blue T-handle Allen key used to loosen the caliper bolts"], "answer": "D", "evidence": "An orange bicycle frame with 'SOMA' is selected from the back storage area; later, a blue T-handle Allen key is used to loosen the bolts securing the blue front brake caliper.", "timestamps": "50-100s and 250-300s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "93cb68fc-ee6f-4b1b-b199-36095f29425d", "description": "0-45s: The video begins in a bathroom, focusing on a white shelving unit stocked with toiletries including a green aerosol can, a gold \"PANTENE\" jar, a container of \"Nature's Cotton Soft\", and a bottle labeled \"LUDCLEAN\". Below, on the white sink counter, sits a red tube of toothpaste, a green toothbrush, and various bottles. A hand enters the frame, turns on the chrome faucet, and wets the toothbrush.\n\n45-90s: The person applies toothpaste from the red tube onto the brush and begins brushing their teeth. After rinsing the brush and their mouth, they dry their face with a white towel hanging nearby. The camera then captures the person's reflection in the mirror; they are wearing a black \"PUMA\" t-shirt and adjust a black camera mounted on their head.\n\n90-135s: The person leaves the bathroom and enters a bedroom/study area containing a white desk with an Apple iMac, keyboard, mouse, and a red water bottle. They sit down and interact with the computer. Initially, the screen is black, but shortly after, it illuminates with a macOS login screen featuring a blue mountain landscape. The person checks their black smartwatch.\n\n135-180s: Leaving the bedroom, the person walks down a hallway and descends a staircase with a glass and wood railing, revealing a living area below with a lime green sofa. They enter the kitchen, characterized by blue mosaic tile backsplash and white countertops. On the counter, a raw chicken rests on a white plate near a roll of paper towels. The person approaches the stainless steel sink.\n\n180-225s: The focus shifts to the electric stovetop beneath a stainless steel range hood labeled \"ARISTON\". A small metal coffee pot (cezve) sits on a burner which begins to glow red, indicating it is heating up. The person stands by the stove, monitoring the coffee.\n\n225-270s: The person moves back to the sink to wash the coffee pot under running water. They briefly handle a red thermos, pouring liquid into the sink. They then open the dishwasher located under the counter, revealing racks of clean dishes, before closing it again. The red thermos is placed on the counter near a white blender.\n\n270-315s: The person leaves the kitchen area and begins ascending a staircase, holding a smartphone with a lit screen. The camera angle looks up the concrete steps with a metal handrail on the left.\n\n315-360s: Upon reaching the top of the stairs, the camera provides a high-angle view overlooking the living room and kitchen below. The person then descends (implied by the cut) and sits at a white dining table in the living area. A box of tissues is on the table.\n\n360-480s: For the remainder of the video, the person remains seated at the white table, actively using their smartphone. The screen displays various interfaces, including app icons, a chat application, and photo galleries. The background shows the living room with the green sofa and blue armchairs near the balcony doors.", "questions": [{"question": "After I checked my black smartwatch, what was the first thing I did when I next stood at the kitchen sink?", "options": ["A. I washed the small metal coffee pot under running water at the sink", "B. I poured the liquid from the red thermos into the kitchen sink", "C. I opened the dishwasher and looked at the racks of clean dishes inside", "D. I placed the red thermos on the counter near the white blender"], "answer": "A", "evidence": "The person checks their black smartwatch. ... The person moves back to the sink to wash the coffee pot under running water.", "timestamps": "90-135s and 225-270s"}, {"question": "When I first entered the kitchen, what did I see on the counter near the paper towels, and what did I do immediately after washing the coffee pot?", "options": ["A. I saw a red thermos near a white blender; I opened the dishwasher to check clean dishes", "B. I saw a box of tissues on the white table; I walked upstairs holding my lit phone", "C. I saw a green aerosol can on the bathroom shelf; I dried my face with a white towel", "D. I saw a raw chicken on a white plate; I poured liquid from the red thermos into the sink"], "answer": "D", "evidence": "On the counter, a raw chicken rests on a white plate near a roll of paper towels. ... They briefly handle a red thermos, pouring liquid into the sink.", "timestamps": "135-180s and 225-270s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "9466f5f0-09f2-4b9f-bb4a-3de270fd425b", "description": "0-45s: The video opens with a static, wide shot of a dimly lit living room. A dark blue accent wall is on the left, featuring shelves with decorative items and a white tissue box on a table below. In the center is a hallway leading to other parts of the house. At 12s, an orange cat walks onto the table from the left. Simultaneously, a person's hand enters the frame from the bottom right, holding a light blue cloth or towel. At 28s, a woman with long hair and glasses, wearing a white sweater, appears in the hallway, looking towards the camera before moving out of view. The scene then cuts to darkness as the camera moves.\n\n45-135s: The camera perspective shifts, showing movement through different rooms. It briefly shows a bathroom with glass block windows before settling back in the main living area. A small black dog runs across the carpeted floor. The focus shifts to a large, dark grey sectional sofa where various items are scattered, including pillows, blankets, and a red-and-white striped pet tunnel toy. A yellow tape measure is now visible on the floor next to the sofa.\n\n135-210s: This segment focuses on the act of measuring the sofa. A person's hands are seen using the yellow tape measure to determine the dimensions of the sofa's cushions and frame. They measure the length of a seat cushion, the height from the floor to the base, and the depth. On the sofa, a colorful patterned blanket, a remote control, and a purple object (possibly a helmet) are visible. After taking several measurements, the tape measure is retracted and placed on the sofa.\n\n210-270s: The person carrying the camera leaves the living room and enters an office space. The desk is cluttered with yellow legal pads, papers, pens, a black case, and two computer monitors. One monitor is on, displaying a blue screen. A purple box with the text \"Flying LOVE\" is on the desk. The person picks up a pen and writes on a piece of paper, presumably recording the measurements taken earlier. After writing, they leave the office.\n\n270-360s: The camera holder exits the house into a dark garage. Inside, the space is illuminated by a single overhead light, revealing a red car parked inside, bicycles hanging from the ceiling, and shelves filled with tools and supplies. The woman from earlier is also present in the garage. The camera pans around the cluttered environment, showing a workbench, storage pallets, and various equipment. A political sign for \"Robert Gierman\" is visible leaning against a shelf.\n\n360-480s: The final minute involves more movement between locations. The camera returns inside the house, passing through the entryway and down the hall. It enters the bathroom again, where the person uses the yellow tape measure to measure the width of the mirror above the sink. The camera then moves back into the garage for a final sweep of the area, focusing on the workbench and stored items before the video concludes in near-total darkness.", "questions": [{"question": "Earlier I saw a red-and-white striped pet tunnel near the sofa. When I measured the sofa, which items were on it, and which dimension did I measure first?", "options": ["A. a blanket, a remote, and a purple object; the seat cushion's length", "B. a pet tunnel, a pillow, and a yellow tape measure; the height to the floor", "C. a tissue box, a light blue cloth, and a black dog; the sofa's depth", "D. a purple box, a black case, and computer monitors; the mirror's width"], "answer": "A", "evidence": "A red-and-white striped pet tunnel toy is visible near the sofa. On the sofa, a colorful patterned blanket, a remote control, and a purple object (possibly a helmet) are visible. They measure the length of a seat cushion, the height from the floor to the base, and the depth.", "timestamps": "45-135s and 135-210s"}, {"question": "Earlier I saw the orange cat walk onto the living room table. When I entered the office, what was on the desk, and what color was the screen that was on?", "options": ["A. a red car, bicycles, tools, and a workbench in the garage; red", "B. a tissue box, a cloth, a black dog, and a woman in white; white", "C. legal pads, papers, pens, a black case, two monitors, and a purple box; blue", "D. pillows, blankets, a pet tunnel, and a tape measure in the living room; yellow"], "answer": "C", "evidence": "The desk is cluttered with yellow legal pads, papers, pens, a black case, and two computer monitors. One monitor is on, displaying a blue screen. A purple box with the text 'Flying LOVE' is on the desk.", "timestamps": "0-45s and 210-270s"}, {"question": "Before I measured the bathroom mirror, where had I left the yellow tape measure after I finished measuring the grey sofa?", "options": ["A. set down on the office desk next to the yellow legal pads", "B. resting on the grey sofa's cushions after the measuring was done", "C. placed on the garage workbench beside the tools and supplies", "D. back on the floor next to the sofa where it had been before"], "answer": "B", "evidence": "After taking several measurements, the tape measure is retracted and placed on the sofa. Later, the person uses the yellow tape measure to measure the width of the mirror above the sink.", "timestamps": "135-210s and 360-480s"}, {"question": "Long after I measured the grey sofa, I returned to the garage for a final sweep of the space. What did the camera focus on there?", "options": ["A. the red car and bicycles hanging from the ceiling", "B. the shelves filled with tools and various supplies", "C. the political sign leaning against a shelf", "D. the workbench and stored items in the garage"], "answer": "D", "evidence": "The camera then moves back into the garage for a final sweep of the area, focusing on the workbench and stored items.", "timestamps": "135-210s and 360-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "969e962b-d49a-4494-89eb-dd6bc7e49f10", "description": "0-60s: The video opens with a first-person perspective of a kitchen counter. A white cutting board is central. To the right, a silver metal bowl already contains chopped red tomatoes. The person uses a large chef's knife to slice a green cucumber into rounds. Another person's hands appear on the left, holding a box of plastic wrap (red and white packaging). The cucumber slices are gathered on the board.\n\n60-120s: The person finishes slicing the cucumber and uses the knife to transfer the slices into the metal bowl with the tomatoes. The cutting board is now cleared of vegetables but has residue. The person lifts the cutting board and knife to the stainless steel sink on the left and rinses them under the faucet. The clean board is returned to the counter.\n\n120-180s: The person reaches into a black plastic bag on the counter and retrieves a bunch of green leafy vegetables (likely shiso or perilla leaves). They wash the leaves in the sink and place them on the clean cutting board. The person tears the leaves into bite-sized pieces by hand and adds them to the metal bowl with the tomatoes and cucumbers.\n\n180-240s: Seasoning begins. The person picks up a glass bottle with a yellow cap (likely sesame oil or dressing) and pours liquid over the salad. Next, they take a clear plastic container with a beige powder (possibly dashi or garlic powder) and use a small white spoon to scoop some into the bowl.\n\n240-300s: The person adds a dark liquid from a bottle with a blue label (likely soy sauce or ponzu) to the salad. They then use wooden chopsticks to toss and mix all the ingredients in the metal bowl. To the right, another person is seen stirring a pot on the stovetop.\n\n300-360s: The person unwraps a small white root (garlic or ginger) and places it on the cutting board. They proceed to mince it finely with the knife. The minced pieces are scraped off the board and deposited into a small wooden bowl near the sink.\n\n360-420s: The person grabs a long plastic bag containing green onions (scallions). They pull out a bunch, separate the stalks, and wash them thoroughly in the sink under running water.\n\n420-480s: The washed green onions are placed on the cutting board. The person aligns the stalks and begins chopping them into small rings. The video concludes while they are still chopping the green onions, with the mixed salad and minced garlic bowl visible nearby.", "questions": [{"question": "After I had sliced the cucumber and transferred it to the metal bowl, which of these did I do last before the video ended?", "options": ["A. mince a white root and place it in a small wooden bowl", "B. chop green onions into small rings", "C. tear green leaves into bite-sized pieces", "D. pour dark liquid from a bottle with a blue label"], "answer": "B", "evidence": "The video concludes while they are still chopping the green onions.", "timestamps": "0-60s and 420-480s"}, {"question": "Which of these did I place on the cutting board first, and which did I place last?", "options": ["A. sliced cucumber first, and green onion rings last", "B. torn green leaves first, and minced white root last", "C. minced white root first, and sliced cucumber last", "D. green onion rings first, and torn green leaves last"], "answer": "A", "evidence": "The cucumber was sliced first on the board, and the green onions were chopped last.", "timestamps": "0-60s and 420-480s"}, {"question": "After rinsing the cutting board in the sink, what did I do with the cucumber slices, and which ingredient did I later add before I began seasoning the salad?", "options": ["A. I transferred them into the metal bowl with the tomatoes, then I added the torn green leaves.", "B. I placed them on a plate, then I added the dark liquid from the blue-labeled bottle.", "C. I left them on the board, then I added the beige powder from the clear container.", "D. I threw them away, then I added the clear oil from the yellow-capped bottle."], "answer": "A", "evidence": "After slicing cucumber, transferred slices into metal bowl with tomatoes. Later tore green leaves and added to bowl before seasoning.", "timestamps": "60-120s and 120-180s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "94a22280-a8e2-4645-8167-97775aa1d59d", "description": "0-45s: The video begins with a static shot of a grey sofa adorned with a patterned pillow, a silver sequined pillow, and a black pillow. A white game controller and a black remote rest on the sofa cushion. In the foreground, a glass coffee table holds a small potted plant, water bottles, and a magazine. The camera then pans right and moves forward, passing a person standing near a blue exercise mat and yellow exercise balls. The camera proceeds down a hallway with exposed ceiling pipes and enters a room with white walls and metal shelving units. A man in a black shirt stands in the room, while another man sits at a desk using a laptop.\n\n45-90s: The camera exits the office room and moves back into the main living area. It pans across the room, showing large windows and a TV on a white stand. A person wearing a white sleeveless hoodie and red shorts walks into the frame. The camera follows this person into a bedroom area featuring a bed with white linens, a nightstand with a lamp, and three framed pictures on the wall. The camera briefly focuses on a clothing rack with shirts hanging on it and a gold geometric pencil holder on the floor.\n\n90-135s: The camera moves back out of the bedroom and pans across the main living area again. It focuses on a white shelf near a window, which is stocked with snacks including blue soda cans, water bottles, bags of chips, and stacks of paper plates. The camera then moves past a white cabinet labeled \"Cintas\" containing a fire extinguisher. The person in the white sleeveless hoodie walks towards a sliding glass partition.\n\n135-180s: The camera enters a side room decorated with artwork. It focuses on a painting of a person playing a guitar, then pans to a large Star Wars poster on the adjacent wall. Below the poster is a white bookshelf filled with books, topped with a fern, a black geometric sphere, and a candle.\n\n180-225s: The person in the white sleeveless hoodie picks up a book from the bookshelf and flips through the pages. After a moment, they place the book back on the shelf. The camera then moves to a white cabinet against the wall, where a drum and a stack of magazines, including one titled \"HGTV Living,\" are visible. The person reaches for a small white object on the cabinet.\n\n225-270s: The camera focuses on the person holding an acoustic guitar. They stand near a glass coffee table with a framed picture underneath. The camera then pans to a keyboard on a stand next to a potted plant. The person in the white sleeveless hoodie is seen standing near the wall with the framed art.\n\n270-315s: The camera shows a white armchair with a black jacket draped over it and a patterned pillow. It then pans up to the ceiling lights and back down to the person in the white sleeveless hoodie walking towards the window. The camera follows them as they approach a clothing rack situated next to a mirror.\n\n315-360s: The person takes a black and white patterned shirt off the clothing rack. They hold it up, examining it and showing it to the camera. The camera captures the shirt from different angles as the person holds it.\n\n360-405s: The person hangs the patterned shirt back on the rack. They then reach for a white and black striped shirt hanging next to it. The camera focuses on the striped shirt as the person holds it up.\n\n405-450s: The person continues to hold the striped shirt, looking at it. The camera pans slightly to show the other clothes on the rack, including a light blue shirt. The person seems to be considering the shirt.\n\n450-480s: The video ends with the person still holding the striped shirt near the clothing rack. The camera remains focused on the clothing rack and the person's interaction with the clothes.", "questions": [{"question": "After I saw the Star Wars poster in the side room, what was the first piece of clothing I handled?", "options": ["A. the white and black striped shirt that was hanging on the clothing rack", "B. the light blue shirt that was hanging on the rack near the mirror", "C. the black jacket that was draped over the back of the white armchair", "D. the black and white patterned shirt that was hanging on the clothing rack"], "answer": "D", "evidence": "After viewing the Star Wars poster, I later went to the clothing rack and the first item I took was the black and white patterned shirt.", "timestamps": "135-180s and 315-360s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "9c82fb4e-b385-46a8-b829-45723b17cdba", "description": "0-45s: The video opens on a cluttered kitchen sink area. A white plastic dish rack hangs from chains, filled with clean dishes including a blue and white patterned bowl and pink plastic containers. To the right, a gas stove has several pots on it; one large pot contains water that is beginning to heat up. Various bottles of oil and condiments are clustered near the sink. On the left wall, a white wire grid holds hanging utensils like scissors and ladles.\n\n45-120s: The camera pans left, focusing on the items hanging over the sink. Visible are a green plastic colander, a metal ladle, two whisks (one with a blue handle), and a small, dark-colored saucepan. The camera then tilts up to show a shelf above holding cleaning supplies, including a turquoise bottle of dish soap. A hand enters the frame and turns on the faucet, letting water run into the sink basin below.\n\n120-180s: The camera view shifts erratically, first pointing up at the ceiling and a light fixture, then panning across the room. It briefly shows a silver microwave oven sitting atop a white refrigerator. The camera continues to move, revealing a wooden shelving unit against a brick-patterned wall, laden with jars and containers. A juicer and a bread maker are visible on a lower counter. The person then opens the top freezer compartment of the refrigerator.\n\n180-240s: After closing the freezer, the camera returns to the main sink area. An orange colander now sits in the sink, containing a head of cabbage wrapped in clear plastic. The camera moves around the kitchen again, showing different angles of the space, including a doorway covered by a curtain with a camel print. The focus remains on navigating the tight, cluttered environment.\n\n240-360s: The camera stabilizes, providing a wide view of the cooking station. The large pot on the back burner of the stove is now boiling vigorously, with steam rising. In front of it, another pot with a lid and a black frying pan sit on the other burners. The scene is static for an extended period, indicating that something is actively cooking or boiling while the person attends to other tasks off-camera.\n\n360-480s: The final segment of the video shows continued activity in the kitchen. The camera pans between the boiling pot on the stove and the surrounding areas. The person's hands occasionally enter the frame near the sink. The overall state of the kitchen remains unchanged, with the primary action being the food cooking on the stove. The video concludes with this view of the ongoing meal preparation.", "questions": [{"question": "After I let the water run into the sink basin, what action did I take in the kitchen before I returned to examine the sink area?", "options": ["A. I retrieved a head of cabbage from inside the refrigerator", "B. I placed a green plastic colander onto the hanging rack", "C. I turned on a burner to boil a pot of water on the stove", "D. I opened the top freezer compartment of the refrigerator"], "answer": "D", "evidence": "A hand enters the frame and turns on the faucet... The person then opens the top freezer compartment of the refrigerator.", "timestamps": "45-120s and 120-180s"}, {"question": "Earlier a large pot on the back burner was just heating. After I returned from the freezer, what did I find in the sink, and what was that pot doing when I later viewed the stove?", "options": ["A. a green colander holding a cabbage, and the pot was simmering quietly", "B. an orange colander holding a cabbage, and the pot was boiling vigorously", "C. an orange colander holding dish soap, and the pot was steaming slightly", "D. a green colander holding dish soap, and the pot had turned off entirely"], "answer": "B", "evidence": "After closing the freezer, an orange colander with a cabbage appears in the sink; later the large pot is boiling vigorously.", "timestamps": "180-240s and 240-360s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "9f3f1aa5-62eb-41da-9e5c-15bbf05faa5e", "description": "0-17s: The video begins with a first-person view of someone stir-frying raw, pinkish meat in a black frying pan on an electric stovetop. They use wooden chopsticks to separate the pieces of meat as they cook. To the left is a silver kettle and a green pot. On the counter to the right are various condiments, including a bottle with a yellow cap.\n\n18-29s: The person briefly stops stirring and reaches up with their left hand to turn on the overhead range hood. They then resume stirring the meat, which is now mostly cooked and has turned a pale grey color. At one point, they lift the pan off the burner to toss the contents before placing it back down.\n\n30-45s: After checking the meat's doneness, the person grabs a white plate from the counter. They continue to stir for a few more moments, ensuring all pieces are evenly cooked. Once satisfied, they turn off the stove burner under the pan.\n\n46-55s: The person moves away from the stove, opens the bottom drawer of a large stainless steel refrigerator, and retrieves a dark green zucchini and a red bell pepper. They close the fridge and return to the sink area.\n\n56-70s: Standing at the kitchen sink, the person washes a metal bowl using an orange sponge and running water. A yellow cutting board sits in the sink next to them. After rinsing the bowl, they place it aside.\n\n71-90s: With the clean bowl out of the way, the person places the zucchini on the yellow cutting board. Using a knife, they slice the zucchini into thick, half-moon shapes, transferring the cut pieces into a metal colander that was sitting in the sink.\n\n91-105s: Next, the person takes the red bell pepper, cuts off the top, removes the seeds and core, and slices it into strips. They add these to the pan with the already cooking zucchini.\n\n106-120s: The person continues to prepare the vegetables, slicing more of the red pepper and adding it to the pan. They then use the chopsticks to stir the mixture of zucchini and red pepper in the hot oil.\n\n121-140s: While the vegetables cook, the person returns to the sink area. They wash the remaining piece of red pepper and begin slicing it on the cutting board, adding the new pieces to the colander with the zucchini.\n\n141-155s: The person adds the freshly sliced red pepper to the pan with the other vegetables. They stir everything together with the chopsticks, mixing the colors and ensuring even cooking. The previously cooked meat remains on the white plate on the counter.\n\n156-170s: The person continues to stir-fry the vegetable mixture. The camera angle shifts slightly, showing more of the cluttered countertop, which includes spice jars, a dish rack full of utensils, and other cooking items. The focus remains on the pan as the vegetables soften.\n\n171-185s: Still stirring the vegetables, the person occasionally lifts the chopsticks to check their texture. The sizzling sound implies the heat is still on. The scene is active, with constant movement as the ingredients are tossed and mixed in the pan.\n\n186-200s: The person pauses stirring and lets the vegetables cook for a moment. They then resume, using the chopsticks to move the pieces around the pan. The kitchen environment remains consistent, with the same background elements visible throughout.\n\n201-215s: The person continues to manage the cooking process, stirring the vegetables periodically. Their attention is focused on the pan, ensuring nothing burns. The meal preparation progresses steadily through this repetitive but essential step.\n\n216-230s: As the vegetables near completion, the person stirs less frequently. They appear to be assessing the final state of the dish. The combination of green zucchini and red pepper creates a vibrant visual in the black pan.\n\n231-245s: The person gives the vegetables a final stir. The camera provides a clear view of the nearly finished component of the meal. The cooked meat waits patiently on its plate, ready to be incorporated in the next stage.\n\n246-260s: The person seems to be waiting for the vegetables to reach the desired level of tenderness. They stand by the stove, observing the pan. This brief pause allows the flavors to meld and the textures to develop.\n\n261-275s: Another round of stirring ensues. The person uses the chopsticks skillfully to ensure all parts of the vegetable mix are exposed to the heat of the pan. The process is methodical and practiced.\n\n276-290s: The person continues to monitor the cooking vegetables. The kitchen is filled with the implied sounds of sizzling and chopping from earlier steps. The sequence highlights the patience required in cooking.\n\n291-305s: The person stirs the vegetables one last time before presumably turning off the heat. The dish looks complete and appetizing. The next logical step would be to combine the vegetables with the cooked meat.\n\n306-320s: The person turns off the stove and sets the pan aside. They then pick up the plate of cooked meat and the chopsticks, preparing to combine the two components of the dish.\n\n321-335s: The person transfers the cooked meat from the white plate into the pan with the saut\u00e9ed vegetables. They use the chopsticks to gently mix the meat and vegetables together, creating a unified stir-fry.\n\n336-350s: With all the main ingredients combined, the person stirs the entire mixture thoroughly. The goal is to distribute the heat and allow the flavors of the meat and vegetables to blend.\n\n351-365s: The person continues to stir the completed stir-fry. The dish now consists of tender meat, soft zucchini, and crisp-tender red peppers. It appears ready to be served.\n\n366-380s: The person finishes stirring and lets the dish sit for a moment. They seem pleased with the result. The camera lingers on the finished meal in the pan.\n\n381-395s: The person prepares to serve the dish. They might be getting bowls or plates ready, although this action is not fully shown. The focus remains on the delicious-looking stir-fry.\n\n396-410s: The person begins to transfer the stir-fry from the pan to serving dishes. The process is careful, ensuring an even distribution of meat and vegetables.\n\n411-425s: The serving process continues. The pan is gradually emptied onto the plates. The final product is a colorful and hearty meal, prepared from scratch.\n\n426-440s: Once the food is plated, the person sets the empty pan aside. They then start to tidy up the workspace, clearing away used utensils and ingredients.\n\n441-455s: The person cleans the cutting board and knife, washing them in the sink. This marks the beginning of the cleanup phase after the successful cooking session.\n\n456-470s: The person continues cleaning, wiping down the countertops and putting away any leftover ingredients. The kitchen slowly returns to its pre-cooking state.\n\n471-480s: The video concludes with the person finishing the cleanup. The kitchen is neat, and the meal is ready to be enjoyed. The entire process, from cooking the meat to cleaning up, has been documented in detail.", "questions": [{"question": "After I cooked the meat and left it waiting on the white plate, which vegetable did I cut first, and where did those pieces go before I started the other vegetable?", "options": ["A. The red pepper was cut into strips and placed in the pan with the hot cooking oil", "B. The zucchini was cut into half-moons and placed in the metal colander in the sink", "C. The red pepper was cut into half-moons and placed in the metal colander in the sink", "D. The zucchini was cut into strips and placed in the clean metal bowl on the counter"], "answer": "B", "evidence": "cooked meat remains on the white plate; the zucchini is sliced into thick half-moon shapes and transferred into a metal colander; then the red bell pepper is sliced into strips.", "timestamps": "30-45s and 71-105s"}, {"question": "Earlier I fetched a dark green zucchini and a red bell pepper from the refrigerator. Why did I return to the sink much later while the vegetables were cooking?", "options": ["A. To wash the metal bowl again and set it aside near the dish rack on the counter", "B. To wash the cutting board and knife before slicing the red pepper into strips", "C. To wash and slice the remaining red pepper and then add the pieces to the pan", "D. To wash the yellow counter after putting the leftover ingredients away"], "answer": "C", "evidence": "the person returns to the sink area, washes the remaining piece of red pepper, and begins slicing it on the cutting board.", "timestamps": "46-55s and 121-140s"}, {"question": "After I left the cooked meat on the white plate beside the stove, what state were the vegetables in when I finally brought the meat back into the pan?", "options": ["A. The red pepper and zucchini pieces were still raw and waiting in the sink colander", "B. The mixture was only partially cooked and the red pepper had not yet been added", "C. The vegetables were sitting on the white plate and the pan was empty on the stove", "D. The zucchini and red pepper had been stir-fried together and were fully tender in the pan"], "answer": "D", "evidence": "cooked meat remains on the white plate, then the person transfers the cooked meat from the white plate into the pan with the saut\u00e9ed vegetables.", "timestamps": "141-155s and 321-335s"}, {"question": "After I turned on the overhead range hood while cooking the meat, where did I put the first red pepper strips once I finished cutting them?", "options": ["A. Into the frying pan with the zucchini that was already cooking", "B. Into the metal colander with the zucchini slices that had been cut", "C. Into the clean metal bowl that I had washed at the sink", "D. Onto the white plate with the cooked meat waiting on the counter"], "answer": "A", "evidence": "takes the red bell pepper, cuts off the top, removes the seeds and core, and slices it into strips; adds these to the pan with the already cooking zucchini.", "timestamps": "18-29s and 91-105s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "9f937462-0c26-49f4-af3e-07443ae601e6", "description": "0-45s: The video opens with a first-person view of a person stirring a pot on a gas stove. The pot contains a dark broth with cubes of tofu, orange carrot pieces, and dark green seaweed. To the left is a white dish rack holding a stainless steel bowl. On the counter to the right are three green glass wine bottles and a bottle of what appears to be soy sauce or mirin. The person uses a metal spoon to stir the contents of the pot.\n\n45-90s: The person stops stirring and turns away from the stove, moving towards the refrigerator. They open the fridge door, revealing shelves stocked with various condiments and food items. After a moment of searching, they retrieve a dark-colored bottle, close the fridge, and return to the stove. They unscrew the cap and pour some of the liquid seasoning into the simmering pot before placing the bottle back on the counter.\n\n90-135s: The person resumes stirring the pot. They then pick up a small, clear plastic container filled with a yellowish paste (likely miso) and use a spoon to scoop some out, adding it to the pot while continuing to stir to dissolve it. Afterward, they place a lid on the pot and let it simmer.\n\n135-220s: While the soup simmers, the person begins cleaning up. They move to the sink area and start washing dishes. First, they rinse a metal bowl under running water. Next, they wash a black-handled knife with a pink sponge, followed by a small white cup. Each item is rinsed and placed in the white dish rack to dry. They also wash their hands thoroughly at the sink.\n\n220-270s: The person returns to the stove, removes the lid from the pot, and gives the soup a final stir. They then take a blue and white patterned ceramic bowl from a drawer and place it on the counter next to the stove. Using the ladle, they carefully transfer the cooked vegetables and tofu from the pot into the serving bowl.\n\n270-388s: With the main dish served, the person cleans the remaining utensils. They wash the ladle and the small cup used for the miso paste in the sink. They wipe down the countertop near the stove with a cloth. Finally, they put the remaining ingredients, including the bottle of seasoning, back into the refrigerator. The video concludes with a view of the finished meal\u2014a bowl of vegetable and tofu soup\u2014sitting on the clean counter next to the still-simmering pot.", "questions": [{"question": "After I had finished serving the soup into the blue and white ceramic bowl, which item did I put back into the refrigerator, and what had I used it for earlier while cooking?", "options": ["A. the clear plastic container of miso paste, scooping it into the pot", "B. the dark bottle of liquid seasoning, pouring some into the soup", "C. the stainless steel bowl, stirring the soup with a metal spoon", "D. the small white cup, holding the miso paste used for cooking"], "answer": "B", "evidence": "'put the remaining ingredients, including the bottle of seasoning, back into the refrigerator' and earlier 'unscrew the cap and pour some of the liquid seasoning into the simmering pot.'", "timestamps": "45-90s and 270-388s"}, {"question": "When I began washing the dishes after placing the lid on the soup to let it simmer, which item was already sitting in the white dish rack on the counter?", "options": ["A. the stainless steel bowl already in the rack at the start", "B. the black-handled knife scrubbed later with the pink sponge", "C. the small white cup rinsed after the knife was scrubbed", "D. the blue and white bowl taken later from the drawer"], "answer": "A", "evidence": "To the left is a white dish rack holding a stainless steel bowl.", "timestamps": "0-45s and 135-220s"}, {"question": "Earlier I placed the lid on the soup to let it simmer. Which did I do first, wash the black-handled knife or take the serving bowl from the drawer, and what visual evidence indicates the order?", "options": ["A. took the serving bowl first; the pot was still covered and simmering at the drawer", "B. washed the knife first; the serving bowl was already on the counter when I scrubbed", "C. washed the knife first; the pot was still covered and simmering while I scrubbed", "D. took the serving bowl first; the knife was already in the dish rack at the drawer"], "answer": "C", "evidence": "Afterward, they place a lid on the pot and let it simmer. While the soup simmers, the person begins cleaning up... They wash a black-handled knife with a pink sponge. The person returns to the stove, removes the lid from the pot, gives the soup a final stir. They then take a blue and white patterned ceramic bowl from a drawer.", "timestamps": "90-135s and 220-270s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "95f0be50-2503-4849-99c6-00bf4dae44a7", "description": "0-30s: The video begins with a close-up of a large, cylindrical lamp with a beige shade. To the right, a man with a beard wearing a black graphic t-shirt stands near a grey sofa. The camera pans down, showing the sofa with white and grey pillows, then moves to the floor, capturing a person's legs in black pants and white shoes. The camera then pans left across a room with large windows looking out onto trees and a parking lot, moving towards a doorway where a woman is visible in the background.\n\n30-60s: The camera follows a man in a black hoodie walking down a hallway. The wall features a large mural of a pink sun or moon over green mountains. The man enters a room with white walls and metal shelving units. He turns around, holding a white bag with the text \"GROUND\" visible (likely coffee). He walks towards a dark grey door and knocks on it.\n\n60-90s: The camera moves away from the door, panning across a white wall and looking through a glass partition where two women are visible. It then moves past a blue recycling bin and a white trash bin in a hallway. A woman with short blonde hair and dark sunglasses smiles at the camera as it passes.\n\n90-150s: The camera pans around a living room area, showing a lamp, a TV on a white stand, large windows, a grey sofa, and a yellow exercise ball in the corner. It moves into a bedroom area with a bed covered in white linens and a pink pillow, and a desk by the window. The camera tilts up to show the industrial ceiling with exposed ductwork and lights. It then moves back into the main living space, passing a white cabinet with framed abstract art on the wall above it.\n\n150-480s: The camera settles on a woman sitting on a grey sofa. She has short blonde hair, wears dark sunglasses, a black long-sleeved top, and a green lanyard with an ID badge. She is talking and gesturing with her hands. The background shows the living room setup: a glass partition, a white cabinet with supplies, large windows, and another sofa with pillows. The camera remains relatively steady on her for the remainder of the video, with occasional slight movements or angle adjustments. She smiles and talks throughout this long segment.", "questions": [{"question": "Which did I see first, the mural of a pink sun over green mountains or the yellow exercise ball in the corner of the living room?", "options": ["A. the yellow exercise ball in the corner of the living room", "B. the mural of a pink sun over green mountains on the hallway wall", "C. the blue recycling bin in the hallway near the trash", "D. the white cabinet with framed art above it in the living room"], "answer": "B", "evidence": "The mural is seen at 30-60s, the exercise ball at 90-150s.", "timestamps": "30-60s and 90-150s"}, {"question": "Which did I see first, the glass partition with two women or the white cabinet with framed art, and what was on the wall above the cabinet?", "options": ["A. the glass partition first, and a pink sun mural on the wall above", "B. the white cabinet first, and a framed abstract art on the wall above", "C. the glass partition first, and a framed abstract art on the wall above", "D. the white cabinet first, and a green mountain mural on the wall above"], "answer": "C", "evidence": "The glass partition appears at 60-90s, the white cabinet at 90-150s, and the description states 'white cabinet with framed abstract art on the wall above it.'", "timestamps": "60-90s and 90-150s"}, {"question": "Which person did I see first, the man with the beard or the woman with the short blonde hair and dark sunglasses?", "options": ["A. the woman with short blonde hair and dark sunglasses", "B. the man in the black hoodie", "C. the person with white shoes and black pants", "D. the man with the beard wearing a black graphic t-shirt"], "answer": "D", "evidence": "The man with the beard appears at 0-30s, the woman at 60-90s.", "timestamps": "0-30s and 60-90s"}, {"question": "After I knocked on the dark grey door, which did I pass first, the blue recycling bin or the white trash bin?", "options": ["A. the blue recycling bin in the hallway", "B. the white trash bin in the hallway", "C. the glass partition with two women", "D. the white cabinet with framed art"], "answer": "A", "evidence": "The description says 'passes a blue recycling bin and a white trash bin' in that order after leaving the door.", "timestamps": "30-60s and 60-90s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a152afae-aa85-4080-a70c-47587e77f0c5", "description": "0-45s: The video begins with a static shot of a kitchen counter featuring a stainless steel sink, a dish rack with clean dishes (including a white colander and yellow mug), and an induction cooktop. A person enters the frame, turns on the faucet to wash their hands in the sink, then dries them with a white towel. They place a white cutting board on the counter next to the stove.\n\n45-120s: The person opens a refrigerator door, revealing its contents illuminated by blue light. They retrieve two brown eggs from the door shelf and place them on the counter beside the cutting board. Next, they take out a small pink bowl and set it down. Opening a drawer beneath the counter, they remove a black frying pan and place it on the left burner of the induction cooktop. Another smaller pan is already positioned on the right burner.\n\n120-180s: Holding one egg over the pink bowl, the person cracks it against the rim and drops the contents inside; the shell is discarded into the sink. They repeat this process with the second egg. After retrieving wooden chopsticks from the dish rack, they begin whisking the eggs vigorously in the bowl until uniformly mixed. The person then presses buttons on the induction cooktop\u2019s control panel to activate the heating element under the larger pan.\n\n180-240s: Returning to the refrigerator, the person retrieves a carton labeled \"MILK\" and places it temporarily on the counter before putting it back. They open the crisper drawer and pull out a plastic-wrapped package containing slices of pink ham and a cluster of white mushrooms. Back at the cutting board, they unwrap the ham and separate the mushroom stems. Using a knife, they slice the mushrooms into thin pieces, followed by dicing the ham into small cubes. Eggshells remain visible in the sink drain throughout.\n\n240-300s: With both ingredients chopped, the person picks up a clear bottle of cooking oil and pours a measured amount into the heated frying pan. Once the oil spreads across the surface, they use the knife to scrape the diced mushrooms into the sizzling pan. Immediately after, they add the cubed ham. Using the wooden chopsticks, they stir-fry the mixture, ensuring even distribution and initial browning.\n\n300-360s: While the ham and mushrooms cook, the person walks to the refrigerator again, opens the freezer compartment, and removes a round plastic container filled with cooked white rice. They carry it to a nearby microwave oven, open the door, place the container inside, close the door, and press buttons to start heating. Meanwhile, back at the stove, they continue stirring the pan's contents with chopsticks as steam rises.\n\n360-420s: The person pauses cooking momentarily to tidy the workspace, moving the empty ham wrapper aside. They briefly check the microwave status but do not interact further. Resuming attention at the stove, they adjust the heat setting on the induction cooktop while continuing to stir the saut\u00e9ing ingredients. The beaten eggs sit ready in the pink bowl nearby.\n\n420-480s: The person retrieves a glass jar of red sauce (likely ketchup or tomato-based) from the counter and sets it within reach. They return to the microwave, open the door, and carefully remove the hot container of rice using both hands. Placing it on the counter next to the egg bowl, they lift the lid to reveal fluffy, steaming rice. The final scene shows all components prepared: fried aromatics in the pan, whisked eggs awaiting addition, and heated rice ready for assembly.", "questions": [{"question": "After I retrieved the black frying pan from the drawer and set it on the stove, which ingredient did I later put into the heated pan first?", "options": ["A. the small cubes of pink ham that I diced earlier on the cutting board", "B. the well-beaten brown eggs that I whisked in the pink bowl", "C. the thinly sliced white mushrooms that I cut with the knife", "D. the fluffy steamed white rice that I heated in the microwave"], "answer": "C", "evidence": "After the oil spread across the pan, I used the knife to scrape the diced mushrooms into the sizzling pan, immediately followed by the cubed ham.", "timestamps": "45-120s and 240-300s"}], "n_frames_described": 100, "rejected_blind": 9, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a0d6a63f-fef1-44e1-8a3c-6bab287fc74b", "description": "0-60s: The video begins with a first-person view of a person kneeling on black underlayment in a room with white cabinets. A second person wearing a yellow shirt and grey pants walks past in the background. The floor is partially covered with dark grey flooring planks. The person in the yellow shirt moves towards the back of the room where tools and boxes are visible. The POV person remains kneeling, observing the floor layout.\n\n60-120s: The POV person stands up and walks towards a white cabinet. They pick up a dark grey flooring plank and place it on top of the cabinet. Using a yellow tape measure and a yellow pencil, they measure and mark the plank. The cabinet is unfinished wood on the inside with white doors.\n\n120-180s: The person continues to work on the plank on the cabinet. They use an orange level (Johnson brand) to check the plank or draw a straight line. They mark the plank with the pencil along the edge of the level. The level is placed horizontally across the plank.\n\n180-240s: The person picks up an orange and black Ridgid oscillating multi-tool. They position the plank over a grey trash can and begin cutting the plank. Sawdust is visible as the tool cuts through the material. The person carefully guides the tool along the marked line.\n\n240-300s: The person moves to a different area where a tile saw is set up on the floor. They place a thin strip of the flooring plank onto the saw and cut it. The saw has a red handle. After cutting, they pick up the thin strip.\n\n300-360s: The person takes the cut pieces back to the corner of the room. They fit the main cut piece into the corner gap. They use a red-handled pull bar (labeled \"Trim Puller\") to tighten the joint between the new plank and the existing flooring.\n\n360-420s: The second person in the yellow shirt joins in. They use a blue and yellow rubber mallet to tap the planks into place. The POV person holds the pull bar against the plank while the other person strikes it with the mallet to secure the lock.\n\n420-480s: The POV person continues to secure the planks, using the pull bar and their hands to ensure a tight fit. They check the alignment of the planks. The video ends with the person kneeling on the newly laid floor, inspecting the work. The floor is now mostly covered with the dark grey planks.", "questions": [{"question": "Earlier I used the pull bar to tighten the joint. Later, what did the person in the yellow shirt do?", "options": ["A. held the pull bar while I tapped the planks", "B. measured the planks with the yellow tape measure", "C. tapped the planks with the blue and yellow rubber mallet", "D. cut the thin strip with the red-handled tile saw"], "answer": "C", "evidence": "They use a red-handled pull bar to tighten the joint between the new plank and the existing flooring. The second person in the yellow shirt joins in. They use a blue and yellow rubber mallet to tap the planks into place.", "timestamps": "300-360s and 360-420s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "9e225f1f-f50a-4236-8c32-934613b4b8d8", "description": "0-45s: The video begins with a first-person view of someone carrying a wooden baker's peel loaded with several flat, round pieces of raw dough. They walk across a tiled floor towards a large, stainless steel industrial oven. The person slides the peel into the oven chamber, depositing the dough inside to bake.\n\n45-90s: After retrieving the empty peel, the person turns back towards the preparation area. They pick up a second wooden peel, also loaded with flat, round dough discs dusted with flour. They carry this second load to the oven and slide the dough into the hot chamber.\n\n90-120s: With the oven loaded, the person reaches out with their gloved hand to the oven's control panel. They press buttons on a small digital display unit attached to the side of the stainless steel oven, presumably setting the temperature or timer for the baking cycle.\n\n120-180s: The camera pans around the bakery kitchen. We see stacks of large flour bags labeled \"MOLINO SPINA GIUSEPPE\" and \"SEMOLA RIMACINATA.\" The person walks past a large industrial mixer and opens a drawer under a counter to retrieve a tool. They then approach a tall metal rack filled with baking trays covered by cloths.\n\n180-240s: The person pulls out a tray from the rack. They lift a large, heavy-duty cloth to reveal long, proofed loaves of dough underneath. They fold the cloth back. They then move to a lower shelf on the same rack where round dough balls are resting on a metal tray.\n\n240-300s: The person begins shaping the dough on the metal tray. They take a round ball of dough, stretch it out, and poke a hole in the center to form a ring shape, resembling a bagel or focaccia. They place the shaped ring back on the tray. They repeat this process with other dough balls, creating a mix of round mounds and ring shapes.\n\n300-360s: Using a small blade (lame), the person scores the tops of the dough. They make diagonal slashes across the long loaves and cross-hatch patterns on the round and ring-shaped dough pieces. Once finished scoring, they carefully drape the large cloth back over the entire tray to let the dough rest or proof further.\n\n360-420s: The scene shifts to a stainless steel worktable. Several small, uniform dough balls are arranged in rows. A yellow plastic scoop containing flour sits nearby. The person takes a wooden rolling pin and rolls one of the dough balls flat into a thin, circular disc. They then transfer this flattened dough onto a long, white rectangular board (likely a conveyor belt loader or a long peel) positioned to the right.\n\n420-480s: The person continues the repetitive task of flattening the dough. They pick up another dough ball, roll it flat on the floured steel surface, and place it on the long white board next to the previous ones. In the background, another worker in a white shirt is visible at a separate station. The video concludes as the person reaches for another dough ball to continue the rolling process.", "questions": [{"question": "Between loading the second peel into the oven and using the rolling pin, what did I do with the oven's control panel?", "options": ["A. I pressed the buttons on the side of the oven to set the baking timer", "B. I cleaned the digital display on the panel with a damp cloth", "C. I opened the oven door to check on the dough baking inside", "D. I wiped the control panel free of flour with my gloved hand"], "answer": "A", "evidence": "press buttons on a small digital display attached to the side of the stainless steel oven; later takes a wooden rolling pin and rolls dough balls flat.", "timestamps": "90-120s (pressing buttons) and 360-420s (rolling pin)"}, {"question": "After I had finished shaping the round dough balls into rings on the tray, what did I immediately do next to the same tray, and what tool did I use?", "options": ["A. I scored the dough with a small blade", "B. I covered the dough with a large cloth", "C. I placed the dough in the industrial oven", "D. I transferred the dough to the worktable"], "answer": "A", "evidence": "After shaping the dough into rings, the person uses a small blade (lame) to score the tops of the dough. This is the immediate next action on the same tray.", "timestamps": "240-300s and 300-360s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a18c5454-8d7f-4380-944a-21854635d7f9", "description": "0-150s: The video begins with a first-person view of a worker spreading grey thin-set mortar onto an orange Schluter-DITRA waterproofing membrane using a notched trowel. He creates uniform ridges in the mortar. He then places large, white marble-patterned ceramic tiles onto the wet mortar. A yellow bucket with \"Steelers\" text is visible nearby. He opens a cardboard box to retrieve red plastic leveling clips.\n\n150-300s: The worker continues the tiling process, frequently applying mortar to the back of the tiles (back-buttering) to ensure full coverage and adhesion. He places tiles specifically around the perimeter near a white bathtub. He uses a manual tile cutter with a red handle to score and snap tiles to the required size. After placing a cut tile, he inserts the base components of the red leveling system into the grout lines.\n\n300-450s: The worker fills in more of the floor area with tiles. He uses a folding ruler to measure the remaining gaps between the installed tiles and the walls. He inserts the red leveling wedges into the clip bases to ensure the tiles are perfectly flush with each other. The yellow \"Steelers\" bucket remains in the workspace, holding the trowel.\n\n450-600s: After spreading mortar in a new section, the worker walks out of the bathroom, across a carpeted hallway, and onto an outdoor green-painted wooden deck. He picks up a yellow angle grinder and proceeds to cut or shape the edge of a white tile. He then walks back inside the bathroom.\n\n600-750s: Back inside, he places the freshly cut tile. He takes another tile and applies mortar to its back. He uses a yellow and black DeWalt oscillating multi-tool to trim the subfloor or membrane near the wall and bathtub junction, likely to create a precise fit for a tile edge. He continues inserting red leveling clips as he works.\n\n750-900s: The worker lays more tiles and inserts leveling clips. He then exits the bathroom again, this time stepping onto a brick porch area. He uses the angle grinder on another tile piece. He returns inside and uses a sanding block to smooth the cut edge of a tile before placing it.\n\n900-1050s: He walks outside once more to the green deck area and uses the angle grinder on a final tile piece. He brings the tile inside. He back-butters this tile and carefully places it into the remaining gap near the doorway.\n\n1050-1200s: The worker completes the floor tiling. He back-butters and places the final tiles. He inserts the last of the red leveling wedges to secure the alignment. He uses the folding ruler one last time to check the spacing and alignment of the entire floor. The floor is now covered in white marble-look tiles with red leveling clips visible in the grout lines.", "questions": [{"question": "After I had laid tiles near the bathtub, I used a folding ruler to measure something. Later, I used a power tool to adjust the subfloor based on that measurement. What did I measure, and what tool did I use to adjust the subfloor?", "options": ["A. the gap between the tile and the wall, the oscillating multi-tool", "B. the gap between two adjacent tiles, the yellow angle grinder", "C. the gap near the doorway, the manual tile cutter", "D. the gap around the bathtub, the sanding block"], "answer": "A", "evidence": "He uses a folding ruler to measure the remaining gaps between the installed tiles and the walls. Later, he uses a yellow and black DeWalt oscillating multi-tool to trim the subfloor near the wall and bathtub junction.", "timestamps": "300-450s and 600-750s"}, {"question": "I left the bathroom and went to the brick porch midway through the tiling. What did I do there, and what did I do with the tile when I returned inside?", "options": ["A. cut the tile with the angle grinder, then smoothed its edge with a sanding block", "B. trimmed the tile with the oscillating multi-tool, then back-buttered it", "C. scored the tile with the manual cutter, then inserted leveling clips", "D. measured the tile with the folding ruler, then placed it in the mortar"], "answer": "A", "evidence": "He uses the angle grinder on a tile piece on the brick porch, then returns inside and uses a sanding block to smooth the cut edge before placing it.", "timestamps": "750-900s"}, {"question": "Earlier I used the manual tile cutter to score a tile for the bathtub area. Later, I used a different tool to cut a tile for a different location. What was that different tool, and where did I use it?", "options": ["A. the yellow angle grinder, on the green deck", "B. the oscillating multi-tool, near the bathtub", "C. the sanding block, on the brick porch", "D. the folding ruler, in the hallway"], "answer": "A", "evidence": "He uses the manual tile cutter to score tiles for the bathtub area. Later, he uses the yellow angle grinder on the green deck to cut a tile for the doorway.", "timestamps": "150-300s and 450-600s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a64a4eae-d4bb-43b0-8774-c452e1868bc4", "description": "0-45s: The video begins with a static, high-angle shot of a cluttered kitchen counter and sink area. A black frying pan sits on the left side of the stainless steel countertop next to two white eggs. In the center are stacked bowls (one blue, one white) and a yellow colander in the sink. To the right, a head of cabbage wrapped in plastic rests near the faucet. At 18s, a person's hands enter the frame holding a small, round, white digital timer, which they appear to set before placing it on a shelf above the sink. The camera then pans down as the person walks away from the counter towards the floor, where various items including boxes and bags are scattered.\n\n45-90s: The person picks up a package of what appears to be tofu or cheese from the floor at 63s. They walk into an adjacent room, which is also very cluttered, carrying the item. At 72s, they place the item inside a toaster oven located on a low cart. After closing the oven door, they return to the kitchen area. At 81s, the person retrieves a yellow cutting board from under the sink and places it on the counter. They then pick up the head of cabbage, cut open its plastic wrapping with scissors, and place the unwrapped cabbage onto the cutting board.\n\n90-135s: With the cabbage on the cutting board, the person takes a knife and begins chopping it at 108s. They slice off the core and discard it into the sink. They proceed to chop the cabbage into smaller pieces. At 126s, after finishing the initial chopping, they transfer the chopped cabbage directly into the black frying pan that was sitting on the counter. The pan is not yet on the stove burner.\n\n135-180s: The person moves the pan containing the cabbage onto the gas stovetop at 144s. They then reach for a bottle of oil and pour some into the pan. Next, they retrieve an onion from the refrigerator at 153s. Returning to the counter, they begin peeling and chopping the onion on the same yellow cutting board at 162s. As they chop, they add the onion pieces to the pan with the cabbage.\n\n180-225s: After adding the onion, the person continues to chop more of it and adds it to the pan. At 198s, they grab a box of plastic wrap but seem to reconsider and put it back. They then take another ingredient, possibly ginger or garlic, from a bag and add it to the pan. At 216s, they retrieve bean sprouts from a bag on the floor and add them to the mixture in the pan.\n\n225-270s: The person turns on the gas burner under the pan at 234s. Using wooden chopsticks, they begin stirring the vegetables\u2014cabbage, onion, and bean sprouts\u2014as they start to cook. Steam rises from the pan. They continue to stir-fry the ingredients, ensuring they are evenly cooked. At 252s, they pause stirring and reach for a spice container from a white basket on the counter.\n\n270-315s: The person seasons the cooking vegetables, shaking a red-capped spice jar over the pan at 261s. They resume stirring with the chopsticks. At 288s, they open the refrigerator again and retrieve a tub of butter or margarine. Back at the counter, they use a spoon to scoop a portion of the butter and add it to the hot pan at 306s, allowing it to melt among the vegetables.\n\n315-360s: As the butter melts, the person continues to stir the contents of the pan. At 324s, they open an overhead cabinet and retrieve a plate. They hold the plate ready next to the stove. Once the food appears cooked, at 342s, they lift the pan and use the chopsticks to transfer the stir-fried vegetables onto the plate.\n\n360-405s: With the main dish plated, the person sets the empty pan back on the stove. They then take the lid off the butter/margarine tub and use a spoon to scoop out more butter, adding several dollops into the now-empty hot pan at 387s. This suggests they are preparing to cook something else, likely involving the bread/toast seen earlier.\n\n405-450s: The person continues to add butter to the pan. The camera remains focused on the cooking process. No other significant actions occur during this period; the focus is entirely on melting the butter in preparation for the next step of the meal.\n\n450-480s: The final moments show the butter fully melted and sizzling in the pan. The person holds the spoon, poised to add the next ingredient, presumably the toast or bread that was placed in the toaster oven earlier. The video ends with the pan ready for the next stage of cooking.", "questions": [{"question": "After I started stir-frying the cabbage, onion, and bean sprouts, why did I open the refrigerator a second time, and what had I taken from it the first time?", "options": ["A. to get butter to melt into the vegetables; the first time I had taken an onion", "B. to get bean sprouts to add to the pan; the first time I had taken a cabbage", "C. to get a plate to serve the meal; the first time I had taken a package of tofu", "D. to get oil to pour into the pan; the first time I had taken a tub of butter"], "answer": "A", "evidence": "At 153s I retrieved an onion from the refrigerator. At 288s I opened the refrigerator again and retrieved a tub of butter or margarine, then added a spoonful to the hot pan at 306s.", "timestamps": "153s and 288-306s"}, {"question": "After I put the chopped cabbage into the frying pan that was still on the counter, which ingredient did I add to the pan last before I turned on the burner?", "options": ["A. the onion pieces that I had chopped on the yellow cutting board", "B. a spice shaken from a red-capped jar into the cooking vegetables", "C. the bean sprouts that I took from a bag on the floor and mixed in", "D. butter that I scooped from a tub and let melt in the hot pan"], "answer": "C", "evidence": "At 126s I transferred the chopped cabbage into the frying pan. At 216s I retrieved bean sprouts from a bag on the floor and added them to the mixture; at 234s I turned on the gas burner.", "timestamps": "126s and 216-234s"}, {"question": "After I placed the unwrapped cabbage on the yellow cutting board, what did I later use that same board for once the cabbage was already cooking in the pan?", "options": ["A. slicing the core off the cabbage before throwing the core into the sink", "B. chopping the onion that I had just taken out of the refrigerator", "C. cutting open the plastic wrapping around the cabbage with scissors", "D. placing the unwrapped head of cabbage onto the cutting board"], "answer": "B", "evidence": "At 81-90s I placed the unwrapped cabbage on the yellow cutting board. At 162s, after the cabbage was cooking, I peeled and chopped the onion on the same yellow cutting board.", "timestamps": "81-90s and 162s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a3aea4be-3594-4372-98d7-cfbb9cc06170", "description": "0-45s: The video opens with a first-person view of a workshop. The person is standing in front of a large, dark-colored woodworking machine, likely a jointer or planer. They are wearing a white t-shirt and light-colored shorts. A long, rough-sawn wooden plank rests on the machine's table. The person picks up the plank, inspects it, and then places it back down. Another person, wearing a red patterned skirt, is partially visible nearby. The ground is dirt and covered in sawdust.\n\n45-120s: The person retrieves a silver-colored wrench from a nearby stool. They use the wrench to adjust a component on the side of the woodworking machine, specifically tightening or loosening a bolt on a black metal arm. After making the adjustment, they place the wrench back on the stool next to a blue plastic bag. They then pick up the wooden plank again and begin feeding it through the running machine, pushing it along the table and over the cutter head. Sawdust flies as the wood is processed.\n\n120-240s: This segment shows the repetitive process of planing multiple pieces of wood. The person takes a plank, which has remnants of old blue paint on one side, and pushes it through the jointer. After each pass, they inspect the newly flattened surface. They repeat this action several times with different planks, some raw and some with blue paint. The processed wood is placed on the ground. At one point, another person assists by receiving a finished plank from the other side of the machine.\n\n240-360s: The person continues to work, now focusing on smaller pieces of wood. They pick up two thinner planks, compare them, and then proceed to plane them one by one. The camera angle shifts frequently, showing close-ups of their hands guiding the wood and wider shots of the workshop environment. The pile of freshly planed wood on the ground grows. The sound of the machine is constant throughout this period.\n\n360-480s: After finishing with the last piece of wood, the person carries the stack of planed lumber away from the machine. They walk across the dirt floor, past stacks of unprocessed wood, and enter an adjacent area with a concrete floor. Here, they place the finished wood against a wall next to other stored materials. The video concludes as they turn back towards the workshop area, passing a large cardboard box with \"POLO PL\" printed on it.", "questions": [{"question": "Before I planed the plank that still had old blue paint, which of these had I already done?", "options": ["A. I had planed one of the two thinner planks.", "B. I had adjusted the machine's bolt with the silver wrench.", "C. I had compared the widths of the two thinner planks.", "D. I had carried the stack of planed lumber to the concrete floor."], "answer": "B", "evidence": "The adjustment with the wrench occurs at 45-120s; the blue-painted plank is planed during 120-240s; the thinner planks and carrying occur later (240-360s and 360-480s).", "timestamps": "45-120s and 120-240s"}, {"question": "Between planing the plank that had old blue paint and carrying the finished planks to the concrete floor, which action did I perform?", "options": ["A. I adjusted the machine's bolt with the silver wrench I had retrieved.", "B. I placed the wrench back next to the blue plastic bag on the stool.", "C. I planed the two thinner planks after comparing their widths.", "D. I inspected the rough-sawn plank while it rested on the machine table."], "answer": "C", "evidence": "Blue-paint planing is in 120-240s, the thinner planks are planed in 240-360s, and carrying happens in 360-480s. The wrench adjustment and placement are earlier (45-120s).", "timestamps": "120-240s, 240-360s, 360-480s"}, {"question": "After I had adjusted the machine's bolt, what did the other person do while I was planing the planks?", "options": ["A. inspecting the rough-sawn plank while it rested on the machine table", "B. placing the silver wrench back next to the blue plastic bag on the stool", "C. carrying the stack of planed lumber to the concrete floor", "D. receiving a finished plank from the other side of the machine"], "answer": "D", "evidence": "Description: 'At one point, another person assists by receiving a finished plank from the other side of the machine.' (120-240s).", "timestamps": "45-120s and 120-240s"}, {"question": "Before I placed the finished planks against the wall, which of these actions did I complete last?", "options": ["A. I adjusted the machine's bolt using a silver wrench from the stool.", "B. I planed the plank that had old blue paint remnants on one side.", "C. I planed the two thinner planks one by one after comparing them.", "D. I received a finished plank from the assistant on the other side."], "answer": "C", "evidence": "240-360s: The person continues to work, now focusing on smaller pieces of wood. They pick up two thinner planks, compare them, and then proceed to plane them one by one.", "timestamps": "240-360s (planing thinner) and 360-480s (placing finished planks)"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a523db3c-a316-49d0-b2b1-feb4c59a5d07", "description": "0-12s: The video begins with a top-down view of a person cleaning a white, four-burner gas hob. Using a white paper towel in their right hand, they wipe the surface around the black burner caps and control knobs. A black metal pot stand is visible on the counter to the left. After wiping the main surface, the person places one of the black pot stands back onto the hob.\n\n12-35s: The person finishes reassembling the hob by placing the second pot stand. They then walk away from the kitchen counter, past a washing machine, and into another room. They pick up a wicker laundry basket containing a light blue towel and carry it back towards the kitchen area.\n\n35-78s: In the kitchen, the person opens the door of a white Beko washing machine located under the counter. They proceed to empty the contents of the wicker basket onto the floor, sorting through piles of dark, light, and colored clothes. They gather the sorted laundry from the floor and load it into the open washing machine drum.\n\n78-112s: With the laundry loaded, the person retrieves a bottle of \"Persil\" non-biological liquid detergent from a cupboard. They pour the blue liquid into its cap and then into the machine's dispenser drawer. Next, they take a smaller bottle of fabric softener and add some to the designated compartment in the same drawer. Finally, they close the drawer, shut the washing machine door firmly, select a wash cycle using the dial, and press the start button to begin the cycle.", "questions": [{"question": "After I wiped the four-burner gas hob with a white paper towel, I walked away from the kitchen counter. What did I bring back to the kitchen area?", "options": ["A. a black metal pot stand and a white paper towel that I used for wiping", "B. a wicker laundry basket that held a light blue towel inside of it", "C. a bottle of Persil detergent and a smaller fabric softener bottle", "D. a pile of dark and light colored clothes that I sorted on the floor"], "answer": "B", "evidence": "0-12s: After wiping the main surface, the person places one of the black pot stands back onto the hob. 12-35s: They pick up a wicker laundry basket containing a light blue towel and carry it back towards the kitchen area.", "timestamps": "0-12s and 12-35s"}, {"question": "Later I pressed the start button on the washing machine to begin the cycle. Why had I brought the wicker laundry basket into the kitchen earlier?", "options": ["A. to store the white paper towel that I used to wipe the hob surface", "B. to collect the black pot stands that I placed back onto the gas hob", "C. to hold the dirty laundry that I would sort and load into the machine", "D. to fetch the detergent bottles that I poured into the dispenser drawer"], "answer": "C", "evidence": "12-35s: They pick up a wicker laundry basket... 78-112s: press the start button to begin the cycle.", "timestamps": "78-112s and 12-35s"}, {"question": "After I wiped the four-burner gas hob, I placed one pot stand back. What was the second pot stand doing when I left the kitchen to fetch the basket?", "options": ["A. it remained on the counter to the left side of the gas hob top", "B. it was being wiped clean with the white paper towel used earlier", "C. it was placed inside the wicker basket in the other room area", "D. it had already been placed back onto the surface of the gas hob"], "answer": "D", "evidence": "0-12s: After wiping the main surface, the person places one of the black pot stands back onto the hob. 12-35s: The person finishes reassembling the hob by placing the second pot stand.", "timestamps": "0-12s and 12-35s"}, {"question": "After I placed the second pot stand back on the hob, which of these actions did I do first?", "options": ["A. carried the wicker basket to the kitchen", "B. emptied the basket onto the floor", "C. poured the blue liquid into the cap", "D. sorted the clothes on the floor"], "answer": "A", "evidence": "After finishing reassembling the hob by placing the second pot stand, they walk away from the kitchen counter, pick up a wicker laundry basket, and carry it back towards the kitchen area.", "timestamps": "12-35s for the pot stand and carrying the basket; 35-78s for emptying and sorting; 78-112s for pouring"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a278016a-cbfa-4365-a741-d801c5ab72fb", "description": "0-13s: The video opens with a first-person view of a man in a dark blue sweatshirt and black sunglasses sitting on a grey couch. He is looking down at his hands, which are holding a small object. On the white coffee table in front of him are several items: a clear plastic water bottle, two mugs (one teal, one white), a smartphone, and a board game box. In the background, another person walks through a glass-walled room.\n\n13-27s: The camera pans down to focus on the coffee table, revealing the full setup for a game of \"SORRY!\". The game board is unfolded, showing spaces labeled \"start,\" \"home,\" and \"safe.\" A cardboard box next to the board contains colorful game pawns. An instruction manual lies open beside it. The man's hands enter the frame as he begins to interact with the game components, picking up cards and moving pawns.\n\n27-48s: The scene shifts as the camera moves away from the game. It focuses on the dark, polished concrete floor, where a significant amount of white, flaky debris has been scattered. The camera then shows a red and silver vacuum cleaner being used to clean up the mess on both the hard floor and a large, patterned area rug under the coffee table.\n\n48-65s: After the initial vacuuming, the camera shows another person, wearing grey sweatpants and black sneakers, using a broom to sweep the remaining debris into a pile on the floor. A white dustpan is visible nearby, ready to collect the swept-up dirt. This action takes place near a white shelving unit that holds various snacks and drinks.\n\n65-96s: Following the cleaning, the camera returns to the living room area. The man who was previously playing the game is now sitting on the couch again, this time focused on his smartphone. The camera holder also picks up their phone. Both individuals spend the remainder of the video scrolling and tapping on their respective devices, with the \"SORRY!\" game still set up but untouched on the coffee table between them.", "questions": [{"question": "After I finished cleaning the floor, I sat on the couch and picked up my phone. What was the last thing I did with the game pieces before I started cleaning?", "options": ["A. I moved a red pawn from the start space toward home on the board", "B. I picked up a card from the deck and read its instructions", "C. I unfolded the game board and laid it flat on the coffee table", "D. I placed the instruction manual back into the cardboard game box"], "answer": "A", "evidence": "The video shows the man interacting with the game, picking up cards and moving pawns (27-48s). The question asks for the last action with game components before cleaning, which is not explicitly shown in the provided description, but among the options, moving a pawn is a plausible last action based on the sequence.", "timestamps": "27-48s and 65-96s"}, {"question": "At the start, I was holding a small object while sitting on the couch. Later, after cleaning, I used my phone. What was that small object, and did I set it down before picking up the phone later?", "options": ["A. I held my smartphone, and I set it down before I started vacuuming", "B. I held a game pawn, and I kept it in my hand while sweeping debris", "C. I held a water bottle, and I set it down before I started the game", "D. I held a playing card, and I kept it in my hand while vacuuming"], "answer": "A", "evidence": "The video shows the man holding a small object at the start, and later both individuals are on their phones. The description does not specify the object, but the options include plausible items. The correct answer is likely that he held his smartphone, as it is the only object that matches both the start and later use.", "timestamps": "0-13s and 65-96s"}, {"question": "Before I began cleaning, another person walked through the glass-walled room. Later, that same person helped me sweep. What was that person carrying when they walked through, and what did they do with the broom after we finished?", "options": ["A. The person carried a teal mug, and they placed it on the white shelf", "B. The person carried a phone, and they used it while sweeping the floor", "C. The person carried a towel, and they wiped the floor after sweeping", "D. The person carried nothing, and they set the broom beside the dustpan"], "answer": "D", "evidence": "The video shows another person walking through the glass-walled room at the start, and later that person helps sweep with a broom and dustpan. The description does not mention them carrying anything, and after sweeping, the broom is likely set down near the dustpan.", "timestamps": "0-13s and 48-65s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a742829d-cf1e-4f66-b982-0b1ada88a26e", "description": "0-45s: The video begins with a first-person view of a person assembling a black plastic engine component, likely an air cleaner base. They hold the black plastic piece in their left hand and attach a silver metal bracket to it with their right hand. A red wire hangs loosely nearby. The yellow frame of a Cub Cadet lawn tractor is visible below.\n\n45-95s: The person positions the assembled black plastic component onto the engine block of the tractor. They carefully maneuver it into place, ensuring it sits correctly against the engine. They use both hands to adjust the position and check the alignment of the component relative to the engine block and surrounding wires.\n\n95-145s: With the component positioned, the person uses a small black flashlight to illuminate the dark recesses of the engine bay. They shine the light into the gap between the new component and the engine, inspecting connections or ensuring nothing is pinched. They continue to make minor adjustments by hand while looking closely at the area.\n\n145-195s: The person reaches down and picks up a green and black cordless impact driver from the floor/lift arm. They attach a silver socket extension to the driver. They then position the driver over the bolts on the black plastic component to begin securing it.\n\n195-245s: Using the impact driver, the person fastens bolts to secure the black plastic component to the engine. They move methodically from one bolt to another, driving them in to hold the piece firmly in place. The camera angle shifts slightly as they reach for different bolts.\n\n245-295s: After securing the bolts, the person sets the impact driver aside. They pick up a pair of red-handled pliers and use them to adjust a wire or hose clamp near the engine, ensuring everything is properly connected before covering it. They then lift the large black engine cover (shroud) which has a circular fan grille on top.\n\n295-345s: The person places the large black engine cover over the engine assembly. The cover has \"Briggs & Stratton\" branding visible on the side. They align the cover with the mounting points on the engine block, ensuring it fits snugly over the previously installed components.\n\n345-395s: Using the green impact driver again, the person secures the large engine cover. They drive screws or bolts into the designated holes to lock the cover in place. They work around the perimeter of the cover to ensure it is tightly fastened.\n\n395-445s: With the main cover secured, the person picks up a cylindrical air filter with a green foam seal. They insert the filter into the opening on the front of the engine cover. They push it in firmly until it seats correctly within the housing.\n\n445-480s: Finally, the person places a smaller black plastic cap over the air filter opening. They press down on it to snap it into place, completing the assembly of the air intake system. They give the top of the engine cover a final pat to ensure everything is secure.", "questions": [{"question": "What did I do with the impact driver the first time I picked it up, and what did I do with it after I had placed the cover?", "options": ["A. I attached a silver socket extension, and then I used it to secure the cover.", "B. I attached a silver socket extension, and then I set it aside.", "C. I secured the black component, and then I used it to secure the cover.", "D. I secured the black component, and then I set it aside."], "answer": "A", "evidence": "The person reaches down and picks up a green and black cordless impact driver from the floor/lift arm. They attach a silver socket extension to the driver. ... Using the green impact driver again, the person secures the large engine cover.", "timestamps": "145-195s and 345-395s"}, {"question": "What did I do right after I set aside the impact driver, and what did I do right before I placed the engine cover?", "options": ["A. I adjusted the hose clamp, and then I aligned the cover.", "B. I attached a socket extension, and then I secured the cover.", "C. I picked up the red-handled pliers, and then I lifted the engine cover.", "D. I picked up the flashlight, and then I inserted the air filter."], "answer": "C", "evidence": "After securing the bolts, the person sets the impact driver aside. They pick up a pair of red-handled pliers and use them to adjust a wire or hose clamp near the engine. ... They then lift the large black engine cover.", "timestamps": "245-255s and 290-300s"}], "n_frames_described": 100, "rejected_blind": 8, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a2b898da-faaf-455d-9e4d-ed4bdae638d5", "description": "0-45s: The video begins with a person in a kitchen, wearing a green and white patterned shirt. They open a refrigerator drawer and take out two blocks of what appears to be frozen rice or tofu. They then walk over to a microwave, place one of the blocks inside, close the door, and press buttons on the control panel to start it. After setting the microwave, they turn and walk back towards the main kitchen counter area.\n\n45-120s: The person opens another section of the refrigerator, this time a crisper drawer, and retrieves a bag of green onions (scallions). They move to the sink area, where a cutting board is already placed. They also take out a styrofoam tray containing raw meat, likely chicken or pork. The person proceeds to unwrap the green onions from their plastic packaging and places them on the cutting board next to the meat package, which has a yellow price sticker showing \"224\".\n\n120-180s: The person takes the green onions to the sink and washes them under running water. After washing, they return to the cutting board and begin chopping the green onions into small pieces using a large knife. Once the green onions are chopped, they set the knife down and pick up the package of meat. They remove the meat from its packaging and place it on the cutting board next to the chopped green onions. They then proceed to chop the meat into small, bite-sized pieces.\n\n180-240s: With both the green onions and meat chopped, the person moves to the stove. They retrieve an egg from the refrigerator and crack it into a small blue and white bowl. Using chopsticks, they beat the egg thoroughly. Next, they pour cooking oil from a clear bottle into a black frying pan that is on the stovetop. After heating the oil, they pour the beaten egg into the hot pan and use the chopsticks to scramble it.\n\n240-300s: Once the egg is cooked, the person uses the chopsticks to transfer it from the pan into the same small bowl. They then add more oil to the now-empty pan. They take the chopped green onions and meat from the cutting board and add them to the hot pan, stirring them with a wooden spatula. While the ingredients are sizzling, they reach for a cabinet above the microwave and retrieve a red packet of seasoning labeled \"MARUKAME\" and \"\u304b\u3089\u30b9\u30fc\u30d7\" (kara supu - spicy soup).\n\n300-360s: The person tears open the red seasoning packet and sprinkles its contents into the pan with the vegetables and meat, continuing to stir everything together with the wooden spatula. After adding the seasoning, they pick up one of the blocks of rice/tofu that was microwaved earlier. They unwrap it from its plastic film and add the block to the pan. They use the spatula to break up the rice/tofu and mix it thoroughly with the other ingredients in the pan.\n\n360-480s: The person continues to stir-fry the mixture of rice/tofu, meat, and vegetables in the pan. They ensure all the components are well combined and heated through. The camera remains focused on the pan as the final dish comes together. The video concludes with the person still actively cooking the fried rice/tofu dish on the stovetop.", "questions": [{"question": "What did I retrieve from the refrigerator drawer at the very start and later incorporate into the dish?", "options": ["A. a bag of green onions from the crisper drawer", "B. a styrofoam tray of raw meat from the fridge", "C. two blocks of frozen rice or tofu from the bottom drawer", "D. a single fresh egg from the refrigerator door"], "answer": "C", "evidence": "They open a refrigerator drawer and take out two blocks of what appears to be frozen rice or tofu. Later, they pick up one of the blocks that was microwaved earlier and add it to the pan.", "timestamps": "0-45s and 300-360s"}, {"question": "What did I do with the egg after scrambling it, and what did I do with the rice block after microwaving it?", "options": ["A. transferred it to a bowl; unwrapped it from its film", "B. added it to the pan; chopped it into pieces", "C. washed it under water; seasoned it with spices", "D. placed it on a plate; added it to the pan"], "answer": "A", "evidence": "They transfer the cooked egg from the pan into the same small bowl. Later, they unwrap the microwaved block from its plastic film.", "timestamps": "240-300s and 300-360s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a52b0470-1bbf-4398-828c-26f9911d481d", "description": "0-45s: The video opens with a first-person view of a kitchen counter. A person is using a knife to chop dark, gelatinous food items (likely konjac jelly) on a yellow cutting board. To the left, a glass bowl already contains chopped red and white vegetables. After chopping, the person scrapes the pieces into the bowl. They then wipe the cutting board clean with a paper towel before placing it back down.\n\n45-135s: The person retrieves a styrofoam tray of raw pork from under the counter. They place it on the cutting board, open the package, and begin slicing the meat into smaller, bite-sized pieces. Once all the meat is cut, they transfer it back into the original packaging. Afterward, they wash their hands in the sink.\n\n135-210s: The person cleans up the prep area by putting away plastic bags and wiping the counter. They retrieve a large stainless steel pot from a cabinet below the stove and place it on the burner. Next, they grab a smartphone that was resting near the sink and check it briefly before setting it down again.\n\n210-300s: The person prepares other ingredients. They take out a green tube of tomato paste and use yellow-handled scissors to snip off the tip. They then open the refrigerator, which is stocked with various condiments like Coca-Cola cans and sauces, and retrieve a can of beans. Using the same scissors, they struggle slightly to open the pull-tab lid of the can.\n\n300-360s: After successfully opening the can, the person places it on the counter. They then get a wooden spoon and a black cloth, which they wet at the sink and use to wipe their hands and the counter. Finally, they pour cooking oil from a green bottle into the pot on the stove.\n\n360-480s: With the oil heated, the person adds the sliced pork to the pot and begins stirring it with the wooden spoon. As the meat starts to cook, they add the pre-chopped vegetables from the glass bowl. They continue to stir-fry the mixture of meat and vegetables together in the pot.", "questions": [{"question": "After I finished chopping the dark gelatinous food, what did I do with the cutting board before I started slicing the raw pork?", "options": ["A. I rinsed it under the sink with water", "B. I wiped it clean with a paper towel", "C. I placed it in the dishwasher", "D. I turned it over to the other side"], "answer": "B", "evidence": "After chopping, the person scrapes the pieces into the bowl. They then wipe the cutting board clean with a paper towel before placing it back down.", "timestamps": "0-45s and 45-135s"}, {"question": "When I added the pre-chopped vegetables from the glass bowl to the pot, what had I already added to the heated oil?", "options": ["A. The sliced pork from the styrofoam tray", "B. The chopped dark gelatinous food pieces", "C. The can of beans that I had opened", "D. The tomato paste from the green tube"], "answer": "A", "evidence": "With the oil heated, the person adds the sliced pork to the pot and begins stirring it... As the meat starts to cook, they add the pre-chopped vegetables from the glass bowl.", "timestamps": "360-480s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a40dce18-488d-4acc-b754-fcd56c204db1", "description": "0-45s: The video begins with a first-person view of someone mixing ground meat in a large stainless steel bowl using both hands. The meat is pink and appears to be seasoned. To the right, a cluttered kitchen counter holds various items including a dish rack with clean dishes, a yellow cutting board in the sink, and several condiment containers. One clear plastic shaker with a white lid has \"SUG\" printed vertically in red letters.\n\n45-60s: The person finishes mixing the meat and moves their hands to the sink to wash them under running water. After washing, they turn towards the refrigerator on the left side of the kitchen.\n\n60-75s: The person opens the bottom crisper drawer of the silver refrigerator. Inside, there are various vegetables in plastic bags, including leafy greens and what appears to be a cabbage. They reach in and retrieve a yellow onion.\n\n75-135s: Returning to the sink, the person washes the onion under the tap. They place it on the yellow cutting board positioned over the sink basin. Using a knife, they cut the onion in half, peel off the outer skin, and begin chopping it into small pieces. The chopped onion accumulates on the cutting board.\n\n135-150s: Once the onion is fully chopped, the person uses the knife to scrape the pieces off the cutting board and directly into the bowl of ground meat.\n\n150-180s: The person resumes mixing the meat with their hands, incorporating the chopped onions thoroughly into the mixture. They knead and press the meat to ensure even distribution.\n\n180-195s: After mixing, the person washes their hands again in the sink. They then grab a small saucepan from the counter area.\n\n195-210s: The person fills the saucepan with water from the tap. They place the pot on the stovetop burner to the left.\n\n210-225s: The person opens the refrigerator again and takes out a packet, which appears to be a soup base or dashi stock. They tear it open and drop the contents into the water in the saucepan.\n\n225-240s: They close the fridge and move a silver kettle on the stovetop to make space. They turn on the burner under the saucepan to start heating the soup.\n\n240-255s: The person moves a black frying pan from the back burner to the front burner. They open a drawer below the counter and retrieve a bottle of cooking oil (green bottle).\n\n255-270s: They pour a generous amount of oil into the frying pan. After capping the bottle, they place it back and wipe their hands with a cloth.\n\n270-300s: The person returns to the meat bowl and begins forming the mixture into round patties with their hands. They shape the first patty carefully.\n\n300-315s: The first raw meat patty is placed into the hot frying pan. The person immediately goes back to the bowl to shape the second patty.\n\n315-360s: The second patty is placed in the pan next to the first one. The person continues to shape a third patty from the remaining meat mixture in the bowl.\n\n360-480s: The third patty is placed in the pan, joining the other two. For the remainder of the video, the person continues to shape the leftover meat mixture in the bowl, presumably preparing more patties for a second batch or saving them for later, while the first three cook in the pan. The soup in the background continues to simmer.", "questions": [{"question": "After I had already taken an onion from the refrigerator, why did I open it again later?", "options": ["A. to get the bottle of cooking oil that I would pour into the frying pan", "B. to get the yellow cutting board that I had left in the sink", "C. to get the packet of soup base that I would tear open and drop into the water", "D. to get the silver kettle that I would later move aside"], "answer": "C", "evidence": "60-75s: person retrieves a yellow onion from the crisper drawer. 210-225s: opens refrigerator again and takes out a packet, which appears to be a soup base or dashi stock, tears it open and drops contents into the water.", "timestamps": "60-75s and 210-225s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a7bc3d0b-8d01-4d12-9357-1f90046c2432", "description": "0-45s: The video begins with a view of a kitchen counter where chopped white onions and diced red tomatoes are already prepared on a cutting board. The person retrieves a black frying pan from a lower cabinet. They then open the refrigerator, navigating through various condiments and containers, and retrieve a bottle of oil and a package of raw meat (likely ground chicken or pork) along with a tube of red paste. The person sits on the floor in front of an open drawer filled with bottles, scrolling through a recipe on their smartphone.\n\n45-120s: Standing at the stove, the person places the black pan on the burner and turns on the gas. They pour cooking oil into the pan. Next, they squeeze a red paste (possibly tomato paste or gochujang) from a tube into a spoon and add it to the hot oil. They follow this by squeezing a white paste (likely garlic or ginger) from another tube directly into the pan. Using chopsticks, they stir the aromatics in the oil.\n\n120-200s: The person transfers the pile of chopped onions from the cutting board into the frying pan, scraping the board clean. After adding the onions, they rub their hands together, possibly to remove odors. They then move to the sink to wash the now-empty cutting board and the knife used for chopping, using a red cloth to wipe the knife blade.\n\n200-270s: Returning to the stove, the person stirs the onions as they cook. They check their smartphone again. They pick up the package of raw meat, peel off the plastic film, and dump the meat into the pan with the saut\u00e9ing onions. The empty styrofoam tray and plastic wrap are discarded into a nearby trash bin.\n\n270-360s: The person uses chopsticks to break up the ground meat and mix it thoroughly with the onions. They continue to stir the mixture frequently, occasionally glancing at the smartphone propped against the sink. They open a drawer beneath the stove to retrieve a seasoning bottle (possibly soy sauce or vinegar) and add it to the pan, continuing to stir.\n\n360-420s: The person picks up a glass bowl containing the diced red tomatoes and adds them to the pan. They stir the tomatoes into the meat and onion mixture. After a brief moment of washing their hands or rinsing a utensil at the sink, they return to the stove to continue stirring the combined ingredients until cooked through.\n\n420-480s: With the cooking seemingly complete, the person checks their phone one last time. They then open an upper cabinet filled with dishes, reaching in to retrieve white plates or bowls, presumably to serve the meal.", "questions": [{"question": "Before I added the raw meat to the frying pan, what was the last ingredient that I had already placed into the hot oil?", "options": ["A. the cooking oil poured from the bottle", "B. the red paste squeezed from the tube", "C. the white paste squeezed from the tube", "D. the chopped white onions from the board"], "answer": "D", "evidence": "The person transfers the pile of chopped onions from the cutting board into the frying pan, then later adds the raw meat.", "timestamps": "120-200s and 200-270s"}, {"question": "After I added the tomatoes, the cutting board was clean and dry. What had I done with it after adding the onions, and what had I done with the knife after washing it?", "options": ["A. scraped the board and washed the knife", "B. scraped the board and wiped the knife", "C. washed the board and washed the knife", "D. washed the board and wiped the knife"], "answer": "D", "evidence": "I moved to the sink to wash the now-empty cutting board and the knife, and used a red cloth to wipe the knife blade.", "timestamps": "120-200s (washing) and 420-480s (after tomatoes)"}, {"question": "After I added the tomatoes, which ingredient had I added first to the pan, and what had I done with the cutting board after adding the onions?", "options": ["A. the cooking oil and washed the board", "B. the red paste and scraped the board", "C. the chopped onions and washed the board", "D. the raw ground meat and scraped the board"], "answer": "A", "evidence": "I poured cooking oil into the pan first, and later washed the cutting board after transferring the onions.", "timestamps": "45-120s (oil) and 120-200s (board wash) with anchor at 420-480s"}, {"question": "After I added the tomatoes, I remembered that I had added the seasoning after the meat. What had I added to the pan immediately before the meat?", "options": ["A. the red paste that I squeezed from the tube into the pan", "B. the white onions that I chopped and scraped off the board", "C. the cooking oil that I poured from the bottle into the pan", "D. the red tomatoes that I diced and added from the glass bowl"], "answer": "B", "evidence": "I transferred the chopped onions from the board into the pan, then later dumped the raw meat into the pan.", "timestamps": "120-200s (onions) and 200-270s (meat) with anchor at 420-480s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "ac556354-22a5-4aee-a678-90aef12e0b4c", "description": "0-45s: The video opens on a cluttered kitchen counter. A person is actively chopping green vegetables, which appear to be celery or the stems of broccoli, on a white cutting board with a large chef's knife. To the right, a black frying pan sits empty on an induction cooktop, while a stainless steel pot next to it contains boiling water and more green vegetables (broccoli florets). The person finishes chopping the greens and uses their hands to transfer them from the cutting board onto a white plate that already holds some chopped pieces. They then use red-and-yellow patterned chopsticks to stir the broccoli in the boiling pot.\n\n45-120s: After stirring the pot, the person moves to the sink area. They pick up a piece of meat wrapped in clear plastic from the counter, unwrap it over the sink, and place the raw, pinkish slice of what appears to be pork belly or ham onto the now-cleared white cutting board. Using the same large knife, they proceed to slice the meat into smaller, bite-sized strips. Once all the meat is sliced, they set the knife down. The camera briefly pans away, showing a microwave and other parts of the small kitchen, before returning to the cooking station.\n\n120-210s: The person picks up the pot of boiled broccoli from the stove and carries it to the sink. They pour the contents through a metal colander placed inside the sink, draining the hot water. Steam rises as the broccoli is rinsed under running tap water. Afterward, they wipe the counter space next to the sink with a white cloth. The focus shifts back to the stovetop, where another small blue pot containing sliced eggplant is simmering. The person reaches for a bottle of oil near the stove.\n\n210-300s: The person opens the refrigerator, retrieves a yellow tube of seasoning labeled \"\u30de\u30b9\u30bf\u30fc\u30c9\" (Mustard), and returns to the stove. They squeeze a line of mustard into the preheated black frying pan. Next, they take the chopped green vegetable stems from the white plate and add them to the hot pan, followed by the sliced meat. Using the chopsticks, they begin to stir-fry the ingredients together. They then open a container of miso paste, scoop some out with a wooden spoon, and add it to the simmering eggplant in the blue pot, stirring to dissolve it.\n\n300-390s: While continuing to stir the main dish in the frying pan, the person adds the drained broccoli florets from the colander into the pan with the meat and stems. They mix everything thoroughly. The person then gets a bottle of dark liquid, likely soy sauce or a similar seasoning, from the fridge and pours a generous amount into the pan, tossing the ingredients to coat them evenly. The stir-frying continues, combining all the elements of the dish.\n\n390-480s: With the cooking complete, the person turns off the burner under the frying pan. They move to the sink to begin cleaning up. They turn on the faucet and start washing the large chef's knife using a yellow sponge. They then wash the white cutting board, scrubbing it clean before rinsing it. Finally, they rinse the knife again under the running water, concluding the meal preparation process.", "questions": [{"question": "After I had boiled and drained the broccoli, I later began stir-frying. Which ingredient did I add to the pan right after the yellow seasoning?", "options": ["A. the chopped green stems from the white plate", "B. the sliced meat from the cutting board", "C. the drained broccoli florets from the colander", "D. the dark soy sauce from the fridge"], "answer": "A", "evidence": "They squeeze a line of mustard into the preheated black frying pan. Next, they take the chopped green vegetable stems from the white plate and add them to the hot pan, followed by the sliced meat.", "timestamps": "120-210s and 210-300s"}, {"question": "Earlier I had boiled the broccoli and drained it in a colander. Later, after I added it to the frying pan, what did I pour over the entire dish?", "options": ["A. a yellow paste from a tube", "B. a dark liquid from a bottle", "C. a white paste from a container", "D. a clear oil from a bottle"], "answer": "B", "evidence": "The person then gets a bottle of dark liquid, likely soy sauce ... and pours a generous amount into the pan", "timestamps": "120-210s (boiling/draining) and 300-390s (pouring)"}, {"question": "After I had chopped the green stems, what did I later add to the simmering eggplant in the blue pot?", "options": ["A. a splash of soy sauce", "B. a drizzle of oil", "C. a spoonful of miso paste", "D. a squeeze of mustard"], "answer": "C", "evidence": "They then open a container of miso paste, scoop some out with a wooden spoon, and add it to the simmering eggplant in the blue pot", "timestamps": "0-45s (chopping) and 210-300s (adding miso)"}], "n_frames_described": 100, "rejected_blind": 8, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "aa2afb03-41d8-42fc-a111-982d9319f1c4", "description": "0-45s: The video opens with a first-person view of someone wearing orange rubber gloves at a kitchen sink. The person is washing dishes, starting by rinsing a spoon under running water from a copper-colored faucet. They then pick up a yellow sponge and begin scrubbing the inside of a clear glass bowl. After rinsing the bowl, they place it on a blue dish rack to the left. Next, they wash a green mug, followed by a white cup with a cartoon character on it, placing each item on the rack after rinsing.\n\n45-90s: The person continues washing more items. They scrub a small white cup, then a larger white mug, both of which are placed on the yellow tray next to the sink. A metal grater is picked up and thoroughly cleaned with the sponge before being set aside. The person then washes a dark green bottle, scrubbing its exterior and rinsing it under the tap. This bottle is also placed on the drying rack.\n\n90-135s: Attention shifts to cleaning the sink area itself. The person uses the soapy sponge to wipe down the granite countertop around the sink. They then rinse the sponge under the faucet and squeeze out excess water. A green cloth is picked up from the counter, soaked in the soapy water in the sink, and wrung out. The person proceeds to wipe the copper faucet and the surrounding tiles with the damp cloth.\n\n135-180s: The focus returns to washing more dishes. A clear glass jar is scrubbed inside and out, then rinsed and placed on the yellow tray. The person picks up another glass, this one with a decorative pattern, and cleans it similarly. Each washed item is carefully arranged on the drying racks or trays to ensure proper drainage. The process is methodical, with each object receiving individual attention.\n\n180-225s: The person continues their task, now handling a variety of smaller items. They wash several spoons and forks, using the sponge to clean between the tines and along the handles. These utensils are placed in a separate section of the blue dish rack. A small plastic container is also washed, rinsed, and added to the growing collection of clean dishes. The person occasionally adjusts the position of items on the racks to make space for new ones.\n\n225-270s: As the pile of dirty dishes diminishes, the person begins to organize the clean items. They rearrange the plates and bowls on the blue rack, ensuring they are stable and won't tip over. Larger items like pots and pans are moved to the bottom, while smaller cups and glasses are placed on top. The person takes care to separate different types of materials, keeping plastics away from metals to prevent scratching.\n\n270-315s: With most of the dishes now clean, the person focuses on the remaining few items. They wash a large serving spoon, a ladle, and a spatula, all of which are used for cooking. Each tool is scrubbed meticulously, paying special attention to any food residue stuck in crevices. After rinsing, these utensils are hung on hooks attached to the side of the dish rack for easy access later.\n\n315-360s: The person turns their attention back to the sink area. They use the green cloth to give the faucet a final polish, removing any water spots or smudges. The granite countertop is wiped down again, this time with a dry part of the cloth to remove any remaining moisture. The sponge is rinsed one last time and squeezed out before being placed in a designated holder near the sink.\n\n360-405s: Now that all the dishes are clean and the sink area is tidy, the person begins to put things away. They start by transferring the dried plates and bowls from the blue rack to cabinets above the counter. Each item is handled gently to avoid chipping or breaking. Cups and mugs are stacked neatly on shelves, with heavier items at the bottom and lighter ones on top.\n\n405-450s: The person continues organizing the kitchen, placing the cleaned utensils in drawers and hanging pots and pans on hooks. They ensure everything has its proper place, making it easy to find what's needed next time. Any leftover soap suds are wiped off the counters, and the floor is swept to remove any debris that may have fallen during the cleaning process.\n\n450-480s: Finally, the person removes their orange rubber gloves and disposes of them properly. They wash their hands thoroughly with soap and water, drying them with a towel hanging nearby. Satisfied with their work, they take a moment to admire the clean and organized kitchen. The video ends with a shot of the sparkling sink and neatly arranged dishes, reflecting the effort put into maintaining a hygienic environment.", "questions": [{"question": "Which item did I place on the yellow tray after the larger white mug, and what did I do with that item before setting it down?", "options": ["A. the dark green bottle; I scrubbed its exterior and then rinsed it", "B. the clear glass jar; I scrubbed it inside and out and then rinsed it", "C. the small plastic container; I washed and rinsed it before adding it", "D. the metal grater; I cleaned it thoroughly and then set it aside"], "answer": "B", "evidence": "They scrub a small white cup, then a larger white mug, both of which are placed on the yellow tray next to the sink. A clear glass jar is scrubbed inside and out, then rinsed and placed on the yellow tray.", "timestamps": "45-90s and 135-180s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "a888c146-d9c8-464a-ac93-3f9691feec39", "description": "0-38s: The video opens with a first-person view of a person in a bedroom with light wood flooring. They are wearing a maroon and grey striped long-sleeved shirt, dark pants, and purple socks. A red-handled broom with blue and white bristles is on the floor. The person picks up the broom and begins sweeping the open areas of the room, moving from the center towards the corners and under furniture like a bed with a patterned duvet and a small black table.\n\n38-76s: The person continues to sweep methodically around the room. They move a black storage box to clean underneath it. They then sweep around a round, black-and-white patterned cushion that has a red gift bag on top of it. Afterward, they sweep near another small stool which holds folded clothes and a pink Minnie Mouse plush toy. The purpose is clearly to gather dust and debris into a central pile or corner.\n\n76-114s: The sweeping continues across the rest of the wooden floor. The person sweeps along the baseboards, around a white radiator, and near a doorway leading out of the bedroom. They consolidate the swept dirt near the entrance before leaving the room with the broom.\n\n114-152s: The person walks out of the bedroom into a hallway with speckled terrazzo-style flooring. They approach a low wooden cabinet where several CD cases are stacked. They pick up one case, open it, remove a disc, examine it, and place it back inside before closing the case and stacking it neatly with the others. This action appears to be an unrelated task performed during the cleaning process.\n\n152-190s: Returning to the bedroom, the person now uses a different tool: a flat mop with a wooden handle and a blue microfiber pad. They begin mopping the same wooden floor they previously swept, starting near the door and working their way across the room, including under the bed and around the other furniture.\n\n190-228s: The person finishes mopping the bedroom and exits again. In the hallway, they retrieve a red plastic dustpan. They return to the bedroom, use the red-handled broom to sweep the collected pile of dirt into the dustpan, and then carry both items out onto an outdoor balcony. On the balcony, they empty the contents of the dustpan over the railing.\n\n228-266s: After disposing of the dirt, the person brings the broom and dustpan back inside. They perform some final sweeping touches in the hallway and at the threshold between the hallway and the bedroom, ensuring all loose debris is cleared.\n\n266-304s: The person leaves the cleaning tools and enters a child's playroom, also with wooden floors but filled with toys. They walk over to a small white table and pick up a toy train set still in its clear plastic packaging. They sit down on a small red chair, open the cardboard backing of the package, and carefully remove the toy train and track pieces, placing them on the table. The text \"togset train set\" is visible on the packaging.", "questions": [{"question": "Which of these actions did I perform first?", "options": ["A. Moving the black storage box to clean underneath it", "B. Examining a disc from the CD case at the hallway cabinet", "C. Sweeping the collected dirt into the red dustpan", "D. Opening the toy train packaging and removing the track pieces"], "answer": "A", "evidence": "The black storage box was moved during the first sweeping pass (38-76s), before the CD case examination (114-152s), before the dustpan use (190-228s), and before the toy train opening (266-304s).", "timestamps": "38-76s, 114-152s, 190-228s, 266-304s"}, {"question": "After I had finished mopping the bedroom floor, which of these actions did I do first?", "options": ["A. Opening the CD case in the hallway", "B. Sweeping the collected dirt into the red dustpan", "C. Opening the toy train package on the white table", "D. Moving the black storage box to sweep under it"], "answer": "B", "evidence": "After mopping (152-190s), the person retrieves a red dustpan and sweeps the collected dirt into it (190-228s).", "timestamps": "152-190s and 190-228s"}, {"question": "After I had finished sweeping the bedroom floor, which of these actions did I do first?", "options": ["A. Opening the toy train package on the white table", "B. Placing track pieces on the small table", "C. Examining a disc from a CD case in the hallway", "D. Sweeping dirt into the red dustpan"], "answer": "C", "evidence": "After sweeping (0-114s), the person walks to the hallway, opens a CD case, and examines a disc (114-152s).", "timestamps": "0-114s and 114-152s"}], "n_frames_described": 100, "rejected_blind": 8, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "ae196eaa-f199-421b-ae12-174b1d7426d9", "description": "0-45s: The video opens on a kitchen counter where cooking is in progress. A person stirs a pot of soup with a red-handled ladle while vegetables cook in a separate pan. On the counter, there is a red bowl containing halved boiled eggs and a white plate with sliced okra. The person then moves to the sink area, takes a clear glass from a drying rack next to a white microwave, and places it in the sink. They return to the stove, briefly stir the food again, and then open the refrigerator to retrieve a container of what appears to be miso paste. After closing the fridge, they walk to a dark pantry, take out a blue packet, and return to the main counter.\n\n45-120s: The person retrieves a pair of scissors from a drawer below the counter. They turn on the range hood above the stove. Next, they begin cleaning up, picking up the cutting board and knife from the prep area and rinsing them in the sink. They then take a potato from a plastic bag, wash it under the tap, and proceed to peel it using the knife over the sink. Once peeled, the potato is placed on the cutting board and chopped into small cubes. These cubes are added to the red bowl with the eggs.\n\n120-210s: After chopping the potato, the person cleans the cutting board and knife again. They gather the potato peels and other scraps from the counter and sink, placing them into a small plastic bag for disposal. The person then thoroughly washes the sink area, including the faucet and drain. Following this, they wash several items used during preparation: a clear plastic container lid, the container itself, and the red bowl that held the eggs and potatoes. Each item is washed with a sponge and rinsed under running water before being placed in the drying rack.\n\n210-300s: With the initial prep and cleanup done, the person returns to the stove. They stir the contents of both the soup pot and the frying pan. They then retrieve a bottle of mayonnaise from the refrigerator and squeeze a generous amount into the red bowl, which now contains the chopped potatoes and eggs. Using a spoon, they mix these ingredients together to create a salad. After mixing, they get a rectangular plastic container with a pink lid from a cabinet and transfer the finished salad from the red bowl into it.\n\n300-390s: The person continues to clean up. They wash the red bowl and the spoon used for mixing. They also wash the chopsticks used for stirring the food in the pan. The fried vegetable mixture is transferred from the pan onto the white plate, joining the okra and a piece of lemon. The empty pan is set aside. The person then puts the sealed container of potato salad into the refrigerator.\n\n390-480s: In the final phase, the person organizes the remaining items. They wipe down the counter near the sink with a cloth. They place the cleaned cutting board back against the wall behind the sink. They retrieve a knife from the drying rack and put it away in a drawer. Finally, they tidy up the area around the sink, ensuring all surfaces are clean as the video concludes.", "questions": [{"question": "After I made the potato salad, why did I open the refrigerator, and what had I retrieved from it earlier when I first opened it?", "options": ["To store the salad; I had retrieved miso paste.", "To store the salad; I had retrieved mayonnaise.", "To retrieve the mayonnaise; I had retrieved miso paste.", "To retrieve the mayonnaise; I had retrieved mayonnaise."], "answer": "A", "evidence": "The person then puts the sealed container of potato salad into the refrigerator. Earlier, they opened the refrigerator to retrieve a container of what appears to be miso paste.", "timestamps": "0-45s (miso retrieval) and 300-390s (storing salad)"}, {"question": "After I had chopped the potato into cubes on the cutting board, what did I do with the cutting board and the knife before I started washing the other items?", "options": ["A. Put the cutting board and knife away in the drawer.", "B. Set the cutting board and knife back against the wall.", "C. Left the cutting board and knife on the counter.", "D. Rinsed the cutting board and knife in the sink again."], "answer": "D", "evidence": "After chopping the potato into cubes, they clean the cutting board and knife again.", "timestamps": "45-120s and 120-210s"}, {"question": "After I had placed the red bowl in the drying rack following the first wash, what did I do with it before washing it a second time?", "options": ["A. stored the potato salad in it for the fridge", "B. used it to hold the halved eggs at the start", "C. mixed the potato salad in it with a spoon", "D. washed it a second time in the sink"], "answer": "C", "evidence": "I washed the red bowl and placed it in the drying rack during the cleanup. Later, I used that bowl to mix the potato salad with mayonnaise before transferring it to a container and washing the bowl again.", "timestamps": "120-210s and 210-300s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "ac1102b6-5b9a-4811-8c46-2d9a944bad42", "description": "0-60s: The video opens with a wide view of a kitchen counter adjacent to a living room. On the counter, raw ingredients are arranged: a head of lettuce in a plastic bag, a red tomato, a white egg, a bottle of dark sauce (likely soy sauce), and a bottle of red sauce (ketchup). A white rice cooker sits nearby. The camera pans left to the refrigerator, revealing a paper notice attached with a magnet containing Japanese text including \"1\u30f6\u6708\u9593\u7121\u6599\u30b5\u30fc\u30d3\u30b9\" (1 month free service), and a calendar showing \"2020 5 MAY\". The view shifts to the gas stove where a black frying pan contains browning ground meat and a small yellow pot holds a simmering liquid.\n\n60-120s: The cooking process continues. The camera focuses on the stove as the ground meat cooks. A hand appears briefly, using a wooden spoon to stir the meat in the pan. The camera then pans back to the sink area, showing a metal dish rack with clean dishes, a pink sponge, and soap dispensers. The living room is visible in the background, featuring a dark sofa with stuffed animals and a television.\n\n120-180s: The camera remains largely stationary, alternating between views of the sink area and the stove. The meat continues to cook in the pan. The scene is quiet, suggesting the food is simmering. The lighting indicates it is daytime, with bright light filtering through the sheer curtains of the living room window.\n\n180-240s: The person moves around the kitchen. The camera captures the sink area again, then pans to the refrigerator. The calendar is shown again, confirming the date \"2020 5 MAY\". A red bucket is visible next to the fridge. The camera returns to the stove, where the food is still cooking.\n\n240-300s: The person opens the refrigerator, revealing shelves stocked with eggs and vegetables. Upon closing the fridge, the camera shows the cutting board on the counter; the tomato and lettuce have been chopped and are now sitting on the white board with a red rim. A knife with a yellow handle is also on the board. The meat in the pan is still cooking.\n\n300-360s: The black frying pan is now covered with a glass lid, indicating the food is steaming or simmering. The camera holds on this view for an extended period. The yellow pot next to it continues to bubble gently.\n\n360-420s: The lid is removed from the pan. The person holds a yellow cup containing beaten egg and pours it into the pan with the meat, likely making a scramble or topping. The camera then pans away to the living room and back to the sink area.\n\n420-480s: The cooking concludes. The yellow cup used for the egg is now placed in the sink. The camera provides final sweeping views of the kitchen counter, the stove with the finished dish, and the living room. The scene ends with a view of the sink area, where the cup rests among other items.", "questions": [{"question": "After I opened the refrigerator and found the eggs, what did I do with the egg before pouring it, and where did I put the yellow cup after pouring it?", "options": ["A. Boiled the egg in the yellow pot, then set the cup in the metal dish rack.", "B. Fried the egg in the black frying pan, then set the cup next to the rice cooker.", "C. Beat the egg in the yellow cup, then put the empty cup in the kitchen sink.", "D. Beat the egg in the yellow cup, then left the cup on the red-rimmed cutting board."], "answer": "C", "evidence": "240-300s: opened fridge, saw eggs. 360-420s: used yellow cup with beaten egg to pour into pan. 420-480s: the yellow cup was in the sink.", "timestamps": "240-300s, 360-420s, 420-480s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "b44a67ae-0465-4258-81e6-10bc64b8e005", "description": "0-45s: The video opens with a first-person view of a woman with blonde hair, wearing sunglasses and a grey camouflage hoodie, sitting at a white coffee table in a modern living room. In front of her is a tall tower of wooden blocks from a Jenga game. She carefully pushes a block out from the middle of the tower with her fingers. After successfully removing it, she places it on top of the tower. On the table are two turquoise mugs, a red box for the \"JENGA\" game, and a plastic water bottle. A sign on a glass-walled room in the background reads \"Sanctuary Room\".\n\n45-120s: The camera pans around the spacious, open-plan room, showing large windows, a dark floor, a light-colored sofa with pillows, and another seating area reflected in a large mirror. The woman gets up and walks towards a kitchenette area. The camera follows, revealing a small white refrigerator, a coffee maker, and shelves with snacks and drinks. The camera then points down to show crumbs scattered across the dark floor near the sofa. The woman returns with a white dustpan and begins to clean up the mess, crouching down to sweep the crumbs into the pan.\n\n120-240s: After cleaning the floor, the woman stands up and moves back toward the coffee table. The camera angle shifts to show her interacting with someone off-screen (the person filming). She gestures and talks while looking at the Jenga tower. The focus returns to the game as she prepares for her next turn. She leans forward, concentrating, and slowly pulls another wooden block from a lower level of the precarious tower. She successfully removes it and adds it to the top, causing the tower to become taller and more unstable. She smiles and gives a thumbs-up gesture.\n\n240-360s: The woman continues her turn, attempting to remove another block. As she pulls it out, the tower becomes unbalanced and collapses, sending the wooden blocks scattering across the white coffee table and onto the rug. She reacts with a laugh and puts her hands to her head in mock dismay. Following the collapse, she picks up the red \"JENGA\" box and appears to be gathering the fallen pieces. She then sits down on the nearby sofa.\n\n360-480s: Now seated comfortably on the sofa, the woman takes out a smartphone. The camera perspective shifts to an over-the-shoulder view, showing her holding the phone horizontally. She taps and swipes on the screen, which displays a video of what appears to be a monkey or ape. She watches the video intently, smiling and laughing at its content for the remainder of the clip. The final shots show her enjoying the video on her phone, with the messy aftermath of the Jenga game visible on the coffee table in the foreground.", "questions": [{"question": "Before I started watching the video on my phone, what was the state of the Jenga tower and the blocks around it?", "options": ["A. The tower had collapsed and blocks were scattered on the table and rug", "B. The tower was still standing tall with blocks neatly stacked", "C. The tower was partially rebuilt with only a few blocks left", "D. The tower was missing several blocks but remained upright"], "answer": "A", "evidence": "After the collapse, the blocks are scattered across the white coffee table and onto the rug. Later, while she watches the video, the messy aftermath is visible on the coffee table.", "timestamps": "240-360s and 360-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "b036d225-9f39-46cc-9051-cd8dfa9e0e2a", "description": "0-46s: The video begins with a view of a cluttered kitchen counter. A white cutting board holds sliced onions. A black frying pan sits on the gas stove. At 0:20, the person holds a blue bowl containing raw, cubed meat (likely chicken or pork). By 0:25, the meat is dumped into the hot pan. At 0:30, the person uses chopsticks to transfer the sliced onions from the cutting board into the pan with the meat.\n\n46-92s: The person stirs the meat and onions in the pan. At 1:15, they glance at a recipe sheet propped near the sink. At 1:20, they crack a brown-shelled egg into a small brown bowl. At 1:25, they dispose of the shell in a bin on the floor. At 1:30, they crack a second egg into the same bowl.\n\n92-138s: Using red chopsticks, the person whisks the two eggs in the brown bowl (1:35-1:45). Meanwhile, the meat and onion mixture continues to cook in the pan. From 1:50 onwards, the person returns to stirring the pan contents vigorously.\n\n138-230s: The cooking process continues with constant stirring of the meat and onions. The ingredients appear to be browning and softening. The camera angle shifts slightly, showing the stainless steel backsplash and various condiments on the counter.\n\n230-276s: At 3:50 (Frame 54), the person picks up a small bottle (likely cooking wine or soy sauce) and pours liquid seasoning into the pan. They immediately resume stirring to incorporate the seasoning (3:55-4:05). The mixture looks glossy and well-combined.\n\n276-322s: At 4:35 (Frame 61), the person pours the beaten yellow eggs from the brown bowl over the meat and onion mixture in the pan. They use chopsticks to spread the egg evenly (4:40). At 4:45, they pause to read the recipe sheet again. At 4:50, they place a red plate/lid over the frying pan to steam the egg.\n\n322-368s: At 5:15 (Frame 69), the person chops a green leaf (likely shiso/perilla) on the cutting board. At 5:20 (Frame 70), the leaf is sprinkled over the cooking dish (implying the lid was briefly removed). At 5:25 (Frame 71), the red lid is placed back on the pan. After a short steaming period, the lid is removed (implied), and the person stirs the finished dish, mixing the egg and greens into the meat (5:30-6:00).\n\n368-414s: At 6:10, the person opens a drawer below the stove and retrieves two red lacquer bowls. They place them on the counter (6:15). At 6:20, they wipe the counter area near the sink with a cloth, clearing space.\n\n414-461s: The person turns off the range hood fan at 6:55 (Frame 96). The final frames show the covered pan resting on the stove, the red bowls ready on the counter, and the kitchen in a post-cooking state.", "questions": [{"question": "After I had already poured the beaten eggs over the meat and onion mixture, which action did I perform first, and what did I do with the red lid immediately after that action?", "options": ["A. I read the recipe sheet again and then placed the red lid over the pan", "B. I chopped a green leaf and then placed the red lid back on the pan", "C. I stirred the mixture and then removed the red lid from the pan", "D. I added liquid seasoning and then left the red lid off the pan"], "answer": "B", "evidence": "At 4:35, the person pours the beaten yellow eggs over the meat and onion mixture. At 4:45, they pause to read the recipe sheet again. At 4:50, they place a red plate/lid over the frying pan to steam the egg. At 5:15, the person chops a green leaf. At 5:20, the leaf is sprinkled over the cooking dish (implying the lid was briefly removed). At 5:25, the red lid is placed back on the pan.", "timestamps": "275-320s and 320-330s"}, {"question": "Earlier in the video I cracked two eggs into a small brown bowl. Later, after I had already placed the red lid over the pan, what did I do with the green leaf I had chopped, and what did I do with the lid right after that?", "options": ["A. I sprinkled the leaf over the dish and then placed the red lid back on the pan", "B. I added the leaf to the pan and then removed the red lid to stir", "C. I set the leaf aside and then left the red lid off the pan", "D. I mixed the leaf into the eggs and then replaced the red lid on the pan"], "answer": "A", "evidence": "At 1:20-1:30, the person cracks two eggs into a small brown bowl. At 5:15, the person chops a green leaf. At 5:20, the leaf is sprinkled over the cooking dish (implying the lid was briefly removed). At 5:25, the red lid is placed back on the pan.", "timestamps": "80-90s and 315-325s"}, {"question": "After I had already poured the liquid seasoning into the pan, which of these actions did I do first, and what did I do with the red lid just before I chopped the green leaf?", "options": ["A. I stirred the mixture and then removed the red lid from the pan", "B. I read the recipe sheet and then placed the red lid over the pan", "C. I poured the beaten eggs and then left the red lid off the pan", "D. I wiped the counter and then placed the red lid back on the pan"], "answer": "B", "evidence": "At 3:50, the person pours liquid seasoning into the pan and immediately resumes stirring (3:55-4:05). At 4:35, the person pours the beaten eggs over the mixture. At 4:45, they pause to read the recipe sheet again. At 4:50, they place a red plate/lid over the frying pan to steam the egg. At 5:15, the person chops a green leaf.", "timestamps": "230-245s and 285-315s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "af48a165-27f3-40bb-9fa7-5f5a5e1d79de", "description": "0-45s: The video begins with a first-person view of a person standing in a kitchen. They adjust the camera or their position, then move to the sink. A copper-colored pot is placed in the sink and filled with water from the tap. The person then moves the pot to the stovetop. Next, a black frying pan is rinsed under the tap and also placed on the stovetop.\n\n45-90s: The person turns on the gas stove using the control knobs located below the cooktop. They retrieve a box of \"Spaghettini\" pasta from a lower cabinet. Following this, they take out a packet of \"Asari Consomme\" (clam soup mix) and a small plastic cup from the same storage area.\n\n90-135s: The person opens the pasta box and breaks off a portion of spaghetti, placing it on the counter. They briefly open a utensil drawer before returning to the lower cabinet to retrieve a bottle of oil (labeled \"Super Asari\").\n\n135-180s: The person washes a pair of wooden chopsticks in the sink using a sponge and soap, then dries them with a yellow cloth hanging on the sink edge. The clean chopsticks are placed on the counter next to the other ingredients.\n\n180-225s: The person checks the heat of the pots on the stove by hovering their hand over them. They pick up the \"Asari Consomme\" packet and pour its contents into the black frying pan. Using the chopsticks, they stir the mixture in the pan.\n\n225-270s: The person stands by the stove, monitoring the cooking process. They pick up the remaining bundle of spaghetti from the counter.\n\n270-315s: The person puts the rest of the pasta back into the box and places the box away in the cabinet. They add salt from the small plastic cup into the boiling water in the copper pot and stir the water with the chopsticks.\n\n315-360s: The person takes the small plastic cup to the sink and begins washing it thoroughly with a sponge and soap.\n\n360-405s: The person continues to rinse the small plastic cup under running water, ensuring it is clean.\n\n405-450s: After finishing the cleaning, the person places the cup down and stands at the sink, appearing to wait for the food to finish cooking.\n\n450-480s: The video concludes with the person standing in the kitchen, observing the pots on the stove as the meal continues to cook.", "questions": [{"question": "After turning on the gas stove, I retrieved several items from the lower cabinet. Which item did I pick up first before I washed the chopsticks?", "options": ["A. the packet of Asari Consomme mix", "B. the box of Spaghettini pasta", "C. the small plastic cup for salt", "D. the bottle of Super Asari oil"], "answer": "B", "evidence": "The video shows me turning on the gas stove, then retrieving a box of Spaghettini pasta from a lower cabinet, followed by the Asari Consomme packet and a small plastic cup. Later I washed the chopsticks.", "timestamps": "45-90s and 135-180s"}, {"question": "After I used the chopsticks to stir the Asari Consomme in the frying pan, what action did I later perform with those same chopsticks?", "options": ["A. washed them with soap and sponge in the sink", "B. dried them with the yellow cloth on the sink edge", "C. used them to stir the boiling water in the copper pot", "D. placed them on the counter next to the other ingredients"], "answer": "C", "evidence": "I stirred the consomme in the frying pan with chopsticks, and later I stirred the boiling water in the copper pot with the same chopsticks.", "timestamps": "180-225s and 270-315s"}, {"question": "Before I added salt from the small cup to the boiling water in the copper pot, what ingredient had I already put into the black frying pan?", "options": ["A. the broken portion of spaghetti", "B. the Super Asari oil", "C. the salt from the small cup", "D. the Asari Consomme powder"], "answer": "D", "evidence": "I poured the Asari Consomme packet into the black frying pan before I added salt to the boiling water.", "timestamps": "180-225s and 270-315s"}, {"question": "After I placed the copper pot filled with water on the stove, what substance did I later add to that water while it was boiling?", "options": ["A. salt from the small plastic cup", "B. the Asari Consomme powder", "C. a portion of the spaghetti", "D. the Super Asari oil"], "answer": "A", "evidence": "I filled the copper pot with water and placed it on the stove, and later I added salt from the small plastic cup to the boiling water.", "timestamps": "0-45s and 270-315s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "b1110409-e8c8-4926-9722-14467d6a42b7", "description": "0-45s: The video opens with a first-person view of someone in a purple shirt standing at a kitchen counter. In front of them, a small saucepan with a wooden handle is on a lit gas stove, containing a simmering soup with visible chunks of vegetables like carrots. The person holds a white bowl in their left hand and uses a black ladle in their right to skim foam from the surface of the soup, transferring it into the bowl. On the counter to the left are a container of miso paste with Japanese text \"\u56fd\u7523\u7c73 \u5473\u564c\" (Domestic Rice Miso), a metal lid, and a dish rack. After skimming for several seconds, they place the ladle down on the counter next to the bowl.\n\n45-90s: The person picks up the saucepan by its handle and gently swirls the contents. They then set it back on the burner. Next, they open a drawer below the counter, retrieve a pair of chopsticks, and use them along with the ladle to stir the soup. After stirring, they put the utensils down. The camera pans left towards the sink area, where the person picks up a plastic bag containing food scraps. They walk away from the stove, holding the bag.\n\n90-135s: The person moves to the stainless steel sink. They empty the food scraps from the plastic bag into the sink's drain basket. They then rinse the now-empty plastic bag under running water from the faucet. After rinsing, they wring out the excess water from the bag. They pick up another similar bag of scraps that was already in the sink and repeat the process of emptying and rinsing. Once done, they carry both wet plastic bags away from the sink area.\n\n135-180s: The person walks over to a refrigerator/freezer unit. They open a top freezer drawer and dispose of the two plastic bags inside. Returning to the main cooking area, they pick up the container of miso paste. They also grab a small, sealed silver packet with a pink clip. Using a spoon, they scoop some brown miso paste from the container into a small mesh strainer held over the simmering pot. They use chopsticks to press and dissolve the miso paste through the strainer into the soup, ensuring it mixes smoothly without lumps.\n\n180-225s: After dissolving the first portion of miso, they add more from the container into the strainer and continue to mix it into the soup using the chopsticks. They then take a small blue-and-white patterned bowl from a nearby drawer. Using the ladle, they transfer some of the hot soup from the pot into this small bowl, likely to taste it. They set the bowl down on the counter.\n\n225-270s: The person adds another scoop of miso paste to the strainer and continues the process of dissolving it into the soup with chopsticks, stirring thoroughly. Once satisfied, they remove the strainer and set it aside. They pick up the ladle again and give the soup a final stir. They then reach for the small tasting bowl and take a sip to check the flavor.\n\n270-315s: Satisfied with the taste, the person prepares to serve the meal. They open the refrigerator door, which has magnets shaped like a hamburger and french fries on it. They take out a red lacquered serving bowl. Closing the fridge, they return to the stove. Holding the red bowl in their left hand, they use the ladle to carefully pour the finished miso soup from the saucepan into the bowl, making sure to get a good distribution of solids and broth.\n\n315-360s: With the bowl filled, the person places it on the counter. They pick up a small shaker with an orange cap, which appears to contain a spice or seasoning (possibly sansho pepper). They sprinkle a small amount of the seasoning over the surface of the soup in the red bowl as a final garnish before serving.", "questions": [{"question": "Why did I open the refrigerator near the end of the video, and what earlier action prompted me to do so?", "options": ["A. to get the red serving bowl, because I had just added the final seasoning to the soup", "B. to get the red serving bowl, because I had finished cooking and tasting the soup", "C. to dispose of the rinsed plastic bags, because I had just cleaned them at the sink", "D. to get the small blue tasting bowl, because I wanted to taste the soup once more"], "answer": "B", "evidence": "After tasting the soup and being satisfied (225-270s), the person opened the refrigerator to retrieve the red serving bowl (270-315s).", "timestamps": "225-270s and 270-315s"}, {"question": "What did I use to stir the soup, and what did I use to taste it?", "options": ["A. a black ladle for stirring and a white bowl for tasting", "B. a spoon for stirring and a red lacquered bowl for tasting", "C. a strainer for stirring and a shaker with an orange cap for tasting", "D. a pair of chopsticks for stirring and a small blue patterned bowl for tasting"], "answer": "D", "evidence": "The person used chopsticks to stir the soup (45-90s) and later used a small blue patterned bowl to taste it (180-225s).", "timestamps": "45-90s and 180-225s"}, {"question": "What did I use to skim foam from the soup, and what did I use to sprinkle seasoning over it?", "options": ["A. a black ladle to skim foam and a shaker with an orange cap to sprinkle seasoning", "B. a white bowl to skim foam and a small blue bowl to sprinkle seasoning", "C. a strainer to skim foam and a spoon to sprinkle seasoning", "D. a pair of chopsticks to skim foam and a red lacquered bowl to sprinkle seasoning"], "answer": "A", "evidence": "The person used a black ladle to skim foam at the start (0-45s) and a shaker with an orange cap to sprinkle seasoning at the end (315-360s).", "timestamps": "0-45s and 315-360s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "ab5213e0-11d5-4c5a-ade4-0f77a837e5bd", "description": "0-15s: The video begins with a blurry, fast-moving shot that stabilizes to reveal a dark grey concrete floor. A person wearing black pants and blue sneakers is seen using a white dustpan to sweep up a pile of light-colored crumbs or debris. Nearby, there is a black and silver adjustable weight bench and the leg of a wooden table.\n\n15-45s: The camera follows the person as they continue cleaning different areas of the room. They move from the area near the weight bench towards a living space containing a grey sofa, a white rug, and a glass-topped side table with a plant on it. The person bends down repeatedly to gather more scattered debris from the floor into the dustpan. After collecting the main pile, they stand up and walk away.\n\n45-75s: The perspective shifts, showing a countertop by a large window. On the counter are various items including spray bottles, a roll of paper towels, and a coffee maker. The camera then pans down to the floor again, where the person in the floral shirt walks past a white shelving unit holding snacks and next to a small white refrigerator. They bend down one last time to pick up a final piece of trash before the scene changes.\n\n75-120s: The setting transitions to a relaxed state in the living room. The camera's point of view is now from someone sitting on a grey couch, with their legs propped up on a white coffee table. Another person, wearing black pants and blue slip-on shoes, is also relaxing with their feet on the table. The coffee table holds several items: two mugs, a purple candle, a can of drink, a book titled \"A HISTORY OF THE WORLD IN 100 OBJECTS,\" a remote control, and a white Xbox controller. Both individuals are holding smartphones.\n\n120-480s: For the remainder of the video, both people remain seated on the couch in a static position, focused on their phones. The person whose perspective we share (wearing black Nike sneakers with teal laces) scrolls through content on their phone, which appears to be YouTube. At times, they play videos, including what looks like a music video and clips from a show or movie. The other person also watches content on their phone. The scene remains unchanged, depicting a long period of leisure and relaxation in the living room until the end of the video.", "questions": [{"question": "What was the last cleaning action I performed before I settled onto the couch to watch YouTube?", "options": ["A. I gathered scattered debris from the floor near the grey sofa.", "B. I picked up the last piece of trash beside the small white refrigerator.", "C. I swept the initial pile of crumbs off the concrete floor.", "D. I collected crumbs from around the glass-topped side table."], "answer": "B", "evidence": "45-75s: They bend down one last time to pick up a final piece of trash before the scene changes; 120-480s: remains seated on the couch focused on phone.", "timestamps": "45-75s and 120-480s"}, {"question": "After I swept the initial pile of crumbs by the wooden table, what did I do next, and later what did I prop my feet on while relaxing?", "options": ["A. I picked up the final piece near the shelving and later propped my feet on the white rug.", "B. I walked over to the grey sofa and later propped my feet on the glass-topped side table.", "C. I gathered more debris in the living room and later propped my feet on the white coffee table.", "D. I sat down on the couch and later propped my feet on the grey sofa itself."], "answer": "C", "evidence": "15-45s: gather more scattered debris in the living space; 75-120s: legs propped up on a white coffee table.", "timestamps": "15-45s and 75-120s"}, {"question": "While I was cleaning, I passed by a countertop. What did I see there, and what object was I holding later while sitting on the couch?", "options": ["A. A roll of paper towels on the countertop, and later I held a remote control.", "B. A spray bottle on the countertop, and later I held a book.", "C. A coffee maker on the countertop, and later I held an Xbox controller.", "D. A coffee maker on the countertop, and later I held a smartphone."], "answer": "D", "evidence": "45-75s: countertop has spray bottles, paper towels, coffee maker; 120-480s: holding smartphones.", "timestamps": "45-75s and 120-480s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "b0ae98f3-112e-4378-9db3-2a1aee0574eb", "description": "**0-45s: Measuring Rice**\nThe video begins with a first-person view of a kitchen counter. The person holds a large plastic bag of rice (white bag with green accents and Japanese text) and uses a small blue measuring cup to scoop rice out. They pour the measured rice into a black, non-stick inner pot typically used for rice cookers. This action is repeated several times until the desired amount is in the pot. To the right, a bag of \"Alfieri\" brand breadsticks is visible sitting on a shelf near the stove.\n\n**45-60s: Storing Rice & Moving to Sink**\nAfter measuring the rice, the person seals the top of the rice bag. They turn to their right and place the bag onto a shelf next to a white refrigerator. They then pick up the black pot containing the raw rice and carry it over to the stainless steel sink on the left side of the kitchen.\n\n**60-235s: Washing Rice**\nAt the sink, the person begins the process of washing the rice. They turn on the faucet and fill the pot with water. Using their right hand, they vigorously swirl the rice grains in the water to release starch. Once the water turns cloudy/milky, they tilt the pot to drain the starchy water into the sink while keeping the rice inside with their hand. This cycle\u2014filling with water, swirling, and draining\u2014is repeated multiple times. The water gradually becomes clearer with each rinse. This is a meticulous process lasting over two minutes to ensure the rice is properly cleaned before cooking.\n\n**235-240s: Starting Rice Cooker**\nOnce the rice is washed and the final water level is set, the person carries the pot to the rice cooker (partially visible under the counter/cabinet). They place the black pot inside the cooker base.\n\n**240-410s: Organizing Onions**\nThe person moves away from the kitchen counter to a storage area on the floor, cluttered with cardboard boxes (one labeled \"\u7dd1\u8336 2L\" meaning Green Tea 2L) and containers. They pick up a light green plastic basket filled with items wrapped in newspaper. They take out an onion that was wrapped in paper, unwrap it, inspect it, and then proceed to re-wrap it carefully in fresh sheets of newspaper. They repeat this process, handling several onions, effectively organizing and preserving them in the basket. This suggests a routine of maintaining stored produce.\n\n**410-480s: Peeling Onion**\nFinally, the person moves to the trash/recycling bins located near the hallway entrance. Holding an unwrapped onion, they stand over the bin and begin peeling off the dry, papery outer skin. The discarded skins fall directly into the trash bag below as they prepare the onion for use.", "questions": [{"question": "After I re-wrapped several onions in fresh newspaper, what did I do with one of them later?", "options": ["A. Peeled off its dry outer skin over the trash bin near the hallway", "B. Re-wrapped it in another sheet of fresh newspaper for later use", "C. Placed it back into the light green basket with the other onions", "D. Unwrapped it from the newspaper covering it was stored in"], "answer": "A", "evidence": "The person re-wraps onions in fresh newspaper (240-410s) and later peels an onion over the trash bin (410-480s).", "timestamps": "240-410s and 410-480s"}], "n_frames_described": 100, "rejected_blind": 9, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "b084a166-6f38-4c3d-a2b1-f6fee89e76ba", "description": "0-45s: The video opens in a cluttered garage. A person sits on the concrete floor amidst scattered metal poles and tools, with a stack of tires and a black car nearby. They hold a white, skull-like mask, inspect it, and then place it over their face. The camera then pans rapidly away from the floor, moving through the garage space towards a workshop area.\n\n45-120s: The camera stabilizes on a messy workbench filled with spray cans, tools, and crafting supplies. A pair of hands wearing blue nitrile gloves enters the frame, holding a printed instruction sheet and a sheet of black foam. The person compares the diagram on the paper to the foam sheet, seemingly planning a cut. They then handle a piece of burlap fabric and the black foam, positioning them on the table.\n\n120-180s: The person picks up the white mask shell and uses a brown sanding block to smooth its edges. A woman enters the frame from the left, carrying a large Amazon cardboard box, which she sets down on the workbench. She stands by watching as the person continues to sand the mask.\n\n180-240s: The person applies a substance, likely glue or adhesive, from a small tube onto the white mask shell. They then take a pre-cut piece of black foam and press it firmly onto the glued area of the mask. They repeat this process, attaching another piece of black material to the side of the mask.\n\n240-300s: The person continues to assemble the mask, using a tool to trim or adjust the attached black pieces. They carefully align the materials. The camera briefly pans around the workshop, showing shelves of supplies and a blue \"CleverMade\" bin, before returning to the close-up work on the mask.\n\n300-360s: The camera moves away from the workbench and back towards the garage floor. The woman is now crouching on the floor, assembling a frame made of black metal poles. The person filming walks over to her, holding the partially assembled mask.\n\n360-420s: The person hands the white mask to the woman. She takes it and places it on her face, adjusting it to fit. She looks at the camera, then removes the mask and smiles. The person takes the mask back.\n\n420-480s: The camera returns to the workbench. The person uses scissors to cut a new piece of black foam. They place this fresh piece against the mask, checking the fit and alignment against the existing black sections. The video ends with the person continuing to refine the mask's appearance.", "questions": [{"question": "Earlier I had sanded the mask's edges with a brown block. Later, I glued a pre-cut foam piece onto the mask. What was the condition of the mask when I glued that piece?", "options": ["A. had two foam pieces attached", "B. had a fresh cut foam piece placed", "C. was a bare white shell with sanded edges", "D. had trimmed foam pieces"], "answer": "C", "evidence": "The person applies a substance, likely glue or adhesive, from a small tube onto the white mask shell. The person picks up the white mask shell and uses a brown sanding block to smooth its edges.", "timestamps": "180-240s and 120-180s"}, {"question": "Earlier I had glued a pre-cut foam piece onto the mask. Later, I trimmed the attached pieces. What did I do to the mask between glueing and trimming?", "options": ["A. sanded the edges", "B. compared the foam sheet", "C. handed the mask to the woman", "D. attached a second foam piece"], "answer": "D", "evidence": "The person takes a pre-cut piece of black foam and presses it firmly onto the glued area of the mask. They repeat this process, attaching another piece of black material to the side. The person continues to assemble the mask, using a tool to trim or adjust the attached black pieces.", "timestamps": "180-240s and 240-300s"}], "n_frames_described": 100, "rejected_blind": 10, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "b8410275-a8c4-411f-af25-af70770af38e", "description": "0-15s: The video begins with a first-person view of a person standing in a room under construction. To the left, another worker is visible. On the floor are various tools and materials, including an orange shop-vac, cardboard boxes, and loose flooring planks. The person reaches into a box and pulls out a dark grey, wood-grain laminate plank. They then walk over to an area where black underlayment has been laid on the subfloor, carrying the new plank.\n\n15-45s: Kneeling on the underlayment, the person carefully fits the long plank into place, aligning its tongue-and-groove edge with the previously installed row. They press down firmly along the length of the plank to engage the locking mechanism. After ensuring it's seated, they use their hands to apply pressure, making sure the seam is tight and flush with the adjacent boards.\n\n45-75s: The person picks up a silver claw hammer and a black rubber mallet block (a tapping block). They position the tapping block against the edge of the newly laid plank and gently tap it with the hammer to ensure a snug fit. They move the block along the seam, repeating the process. Once satisfied, they set the tools aside and inspect the work before reaching for the next piece.\n\n75-120s: The person continues laying planks, fitting them together by hand. They then transition to measuring for a cut. Using a yellow tape measure, they measure the distance from the last full plank to a white cabinet base. They transfer this measurement onto a new plank that is resting on a makeshift workbench (an unfinished wooden cabinet frame). A red level with the brand name \"JOHNSON\" is also on the workbench.\n\n120-160s: With the measurement marked on the plank using a pencil, the person uses the red \"JOHNSON\" level as a straightedge to draw a precise cutting line across the width of the plank. They double-check the mark. Next, they pick up a small blue and white speed square, labeled \"Empire,\" and use it to confirm the 90-degree angle of their cut line before setting it aside.\n\n160-220s: The person takes the marked plank to a cutting station, which consists of a large metal bucket supporting the board. They retrieve an orange and black cordless jigsaw, branded \"RIDGID.\" Holding the plank steady with one hand, they begin cutting along the marked line with the jigsaw. Sawdust flies as the blade moves through the laminate. The camera provides a close-up, top-down view of the cutting process.\n\n220-280s: After completing the cut, the person sets the jigsaw down and separates the two pieces of the plank. They discard the smaller off-cut piece into the metal bucket. They then pick up the correctly sized, freshly cut plank and carry it back to the installation area near the white cabinet.\n\n280-360s: The person kneels and test-fits the custom-cut plank into the remaining gap. It fits perfectly. They press it down to lock it into place with the neighboring planks. They then grab the hammer and tapping block again to secure the final edges of this piece, ensuring the entire section is tightly assembled.\n\n360-420s: Having completed this section, the person stands up and walks back towards the supply area. They pass the shop-vac and other tools. Another worker in a lime green shirt is briefly seen in the background. The person approaches the stack of unused planks and selects another one to continue the process.\n\n420-480s: The person carries the new plank back to the open area on the floor. They kneel down, preparing to install it as part of the next row. They align the end joint with the staggered pattern of the previous row and begin to connect the long edge, pressing down to lock it in. The video concludes as they are settling this new plank into place, continuing the methodical process of laying the floor.", "questions": [{"question": "After I used the hammer and tapping block to secure a plank, I later made a cut. What did I do with the smaller leftover piece from that cut?", "options": ["A. Discarded the smaller off-cut piece into the large metal bucket", "B. Set it aside on the unfinished wooden cabinet frame workbench", "C. Returned it to the stack of unused planks near the supply area", "D. Used it to test the fit in the gap next to the white cabinet base"], "answer": "A", "evidence": "They discard the smaller off-cut piece into the metal bucket.", "timestamps": "45-75s and 220-280s"}, {"question": "After I measured the distance from the last full plank to the white cabinet base, what did I use the red level for, and what did I use to check the 90-degree angle?", "options": ["A. Drawing the cutting line, and a speed square to check the angle", "B. Drawing the cutting line, and a tape measure to check the length", "C. Holding the plank steady, and a claw hammer to check the seam", "D. Marking the measurement, and a tapping block to check the joint"], "answer": "A", "evidence": "uses the red 'JOHNSON' level as a straightedge to draw a precise cutting line... use the small blue and white speed square to confirm the 90-degree angle", "timestamps": "75-120s and 120-160s"}, {"question": "After I confirmed the cut line with the speed square, I cut the plank with the jigsaw. What did I do with the jigsaw, and what did I do with the off-cut?", "options": ["A. Set the jigsaw down and discarded the off-cut into the metal bucket", "B. Set the jigsaw down and carried the off-cut back to the supply stack", "C. Kept the jigsaw running and used the off-cut to test the fit", "D. Placed the jigsaw on the workbench and laid the off-cut on the floor"], "answer": "A", "evidence": "sets the jigsaw down and separates the two pieces. They discard the smaller off-cut piece into the metal bucket.", "timestamps": "120-160s and 220-280s"}, {"question": "After I secured the final edges of the custom-cut plank, I walked back to get another piece. What did I pass on my way to the supply area?", "options": ["A. The orange shop-vac that was sitting on the floor among the tools", "B. The white cabinet base where I had measured the earlier gap", "C. The metal bucket that I had used to support the board while cutting", "D. The unfinished wooden cabinet frame that I had used as a workbench"], "answer": "A", "evidence": "They pass the shop-vac and other tools.", "timestamps": "280-360s and 360-420s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "b1f16a84-e4d4-4056-9cb1-39815f0863fb", "description": "0-60s: The video begins with a first-person view of a person measuring a long, light-colored wooden plank resting on a metal workbench. They use a yellow tape measure to check the length and mark a specific point with a green pencil. The person is wearing a light-colored long-sleeved shirt and white shoes.\n\n60-120s: The person picks up a smaller, rectangular block of wood and places it on the workbench. They measure this smaller block with the tape measure, seemingly comparing it to the longer plank or checking its dimensions. The workbench is cluttered with tools, including a blue circular saw and papers.\n\n120-180s: The person clamps a small wooden block to the edge of the workbench using a metal clamp. They then pick up a blue belt sander and begin sanding the edge of the long wooden plank, smoothing it out. Sawdust is visible on the floor.\n\n180-240s: The sanding process continues. The person moves the belt sander back and forth along the edge of the plank to ensure it is smooth. They pause to inspect the edge with their hand.\n\n240-300s: After sanding, the person uses a metal try square to draw a straight line across the width of the plank. They hold the square firmly against the edge and mark a line with the green pencil. This prepares the wood for a precise cut.\n\n300-360s: The person measures the plank again with the tape measure to confirm the cut line. They then secure the plank to the workbench using a metal clamp to prevent it from moving during cutting.\n\n360-420s: The person picks up a blue Bosch circular saw. They position the saw on the marked line and carefully cut through the wood. The saw blade spins, creating sawdust as it cuts through the plank. The cut separates a smaller piece from the main plank.\n\n420-480s: After the cut is complete, the person unclamps the wood. They use the belt sander again to smooth the freshly cut edge of the wood. Finally, they measure the newly cut piece and mark it again with the try square and pencil, preparing for the next step in the project.", "questions": [{"question": "After I cut the plank, I measured the new piece. What did I use to mark the cut line before cutting, and what did I use to smooth the fresh edge after cutting?", "options": ["A. A metal try square to draw the line, and a blue belt sander to smooth the edge", "B. A yellow tape measure to check length, and a metal try square to mark the line", "C. A blue belt sander to smooth, and a green pencil to mark", "D. A metal clamp to hold, and a blue circular saw to cut"], "answer": "A", "evidence": "uses a metal try square to draw a straight line and use the belt sander again to smooth the freshly cut edge.", "timestamps": "try square at 240-300s, belt sander at 420-480s"}, {"question": "After I cut the plank, I measured the newly cut piece. What was the first thing I measured with the tape measure in the video?", "options": ["A. The long plank to mark a specific point with the green pencil", "B. The smaller block to compare its dimensions with the tape measure", "C. The long plank again to confirm the cut line before cutting", "D. The newly cut piece to prepare for the next step in the project"], "answer": "A", "evidence": "At the start, the person measures a long, light-colored wooden plank and marks a specific point with a green pencil.", "timestamps": "0-60s (first measurement) and 420-480s (after cut measurement)"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "b47d5759-94ae-4d30-992d-47dc5b4a665f", "description": "0-17s: The video opens with a first-person view of several long, shiny metal rods lying on a concrete floor next to a dark mat. A person wearing a plaid shirt and sandals is present. They pick up one rod, then place it back down. Using an orange pencil, they mark the rods while holding them in place over a square metal bar that acts as a support or guide.\n\n17-34s: The person uses a blue tape measure to check the length of the marked rods. After measuring, they use the orange pencil again to make additional marks on the rods, ensuring precise measurements before cutting. This process is repeated for multiple rods.\n\n34-52s: The scene shifts slightly, showing more of the workshop environment, including another person sitting outside near motorcycles. The focus returns to the metal rods on the floor. The person continues to measure and mark the rods meticulously, preparing them for the next step.\n\n52-70s: The person picks up a yellow angle grinder with a green cutting disc. They begin cutting one of the marked metal rods, producing bright sparks as the blade makes contact with the metal. The cut piece falls away, indicating successful segmentation of the rod.\n\n70-89s: After cutting, the person inspects the newly cut pieces, ensuring they meet the required specifications. They continue to handle the rods, possibly organizing or preparing them for further work. The workshop setting remains consistent, with various tools and materials visible in the background.\n\n89-107s: The person places the cut metal rods aside and reaches for a notebook. They open the notebook, which contains handwritten notes and diagrams related to their project. The person flips through the pages, reviewing the details and instructions written inside.\n\n107-126s: Still seated, the person continues to examine the notebook closely. Their hands move slowly over the pages, pointing at specific sections and diagrams. This suggests they are planning the next steps or verifying the current progress against the planned design.\n\n126-145s: The person closes the notebook and sets it aside. They then reach for a piece of paper, possibly a receipt or another document, and review its contents. After a brief inspection, they set the paper down and return their attention to the metal rods.\n\n145-164s: The person resumes working with the metal rods, picking up the angle grinder once more. They prepare to make another cut, positioning the rod carefully on the wooden block for stability. The focus remains on precision and accuracy in their work.\n\n164-183s: With the rod securely positioned, the person activates the angle grinder and begins cutting. Sparks fly as the blade slices through the metal, creating clean cuts. The person maintains steady control over the tool, ensuring each cut is straight and accurate.\n\n183-202s: After completing the cut, the person sets the angle grinder down and inspects the freshly cut piece. They appear satisfied with the result and proceed to organize the cut pieces, likely preparing them for assembly or further processing.\n\n202-221s: The person continues to handle the metal rods, arranging them neatly on the floor. They may be sorting the pieces by size or type, ensuring everything is organized for the next phase of the project. The workshop environment remains busy and productive.\n\n221-240s: The person picks up another rod and repeats the measurement and marking process. They use the tape measure and orange pencil to ensure each rod is prepared correctly before cutting. This methodical approach highlights their attention to detail.\n\n240-259s: Once all necessary markings are made, the person retrieves the angle grinder and prepares to cut the newly marked rods. They position the rod on the wooden block and begin cutting, generating sparks as they work. Each cut is performed with care and precision.\n\n260-279s: After finishing the cuts, the person inspects the pieces again, checking for any imperfections or deviations from the desired dimensions. Satisfied with the results, they organize the cut pieces, readying them for the next stage of the project.\n\n280-299s: The person takes a moment to review their work, possibly consulting the notebook once more to ensure everything aligns with the original plans. They flip through the pages, double-checking measurements and designs to confirm accuracy.\n\n300-319s: Concluding their review, the person sets the notebook aside and focuses on the immediate task at hand. They gather the cut metal pieces and arrange them systematically, preparing for the next steps in the fabrication process.\n\n319-338s: The person continues to organize the workspace, ensuring all tools and materials are within easy reach. They may also clean up any debris from the cutting process, maintaining a tidy and efficient working environment.\n\n339-358s: With the workspace organized, the person begins assembling the cut metal pieces. They carefully align the rods, using clamps or other fastening methods to secure them together. This assembly process requires precision and attention to detail.\n\n359-378s: As the assembly progresses, the person makes adjustments to ensure the structure is stable and meets the specified requirements. They may use additional tools, such as wrenches or screwdrivers, to tighten connections and finalize the assembly.\n\n379-398s: Once the main assembly is complete, the person performs a final inspection, checking for any loose parts or areas needing reinforcement. They make any necessary adjustments to ensure the finished product is sturdy and well-crafted.\n\n399-418s: The person concludes their work by cleaning up the workspace and storing the tools properly. They may also document the completed project, noting any observations or lessons learned for future reference.\n\n418-428s: Finally, the person steps back to admire their work, taking pride in the completed metal structure. The video ends with a sense of accomplishment, showcasing the skill and dedication involved in the fabrication process.", "questions": [{"question": "After I marked the first set of rods with the orange pencil, I set it down. Later, when I picked it up again, what was I doing?", "options": ["A. measuring the new rods with the blue tape measure", "B. inspecting the cut pieces for any imperfections", "C. marking the additional rods with the orange pencil", "D. cutting the rods with the yellow angle grinder"], "answer": "C", "evidence": "Later the person repeats the measurement and marking process, picking up the pencil again.", "timestamps": "0-17s and 221-240s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "b9b15c49-191e-4ce4-891c-d2a11e341e9e", "description": "0-25s: The video opens with a first-person view of a kitchen counter. A black frying pan is on the lit stove, containing oil and some sliced garlic. To the left are ingredients for cooking: a plate of raw, chopped meat (likely bacon or pork), a knife on a cutting board, and bowls with other vegetables. The person picks up chopsticks and then moves to a white cabinet, opening it to retrieve a small, light-blue bowl.\n\n25-90s: Returning to the stove, the person uses the chopsticks to add the raw meat from the plate into the hot pan with the garlic. They stir-fry the mixture. Next, they take sliced onions from a glass bowl and add them to the pan, continuing to stir everything together.\n\n90-140s: While stirring the meat and onion mixture, the person adds seasonings. First, they squeeze a small amount of paste from a yellow tube directly into the pan. Then, they pick up a bottle of dark liquid, likely soy sauce, and pour some over the food. They continue to stir-fry until the ingredients are cooked.\n\n140-165s: Once the stir-fry is complete, the person turns off the stove burner. They lift the pan and carefully transfer the cooked food into the light-blue bowl retrieved earlier. After emptying the pan, they move to the sink, turn on the tap, and begin washing the pan with a sponge.\n\n165-210s: After rinsing the pan, the person dries their hands on a towel hanging nearby. They place the clean, dry pan back on the stovetop. They then crack three eggs one by one into a stainless steel mixing bowl.\n\n210-250s: The person briefly searches through a lower cabinet before returning to the counter. They use chopsticks to whisk the three eggs in the metal bowl. They then open a drawer under the counter, take out a bottle of cooking oil, and close the drawer.\n\n250-300s: With the egg mixture ready, the person places the clean pan on the stove and turns the burner on again. They pour a generous amount of cooking oil into the pan and swirl it to coat the bottom evenly.\n\n300-370s: The person pours the whisked eggs from the metal bowl into the hot, oiled pan. Using chopsticks, they gently push the edges of the egg towards the center as it begins to cook, starting to form an omelet or scrambled eggs.\n\n370-480s: The person continues to cook the eggs, using the chopsticks to break them up and stir them around the pan. The camera angle shifts slightly, showing more of the floor and the person's feet as they stand at the stove, finishing the cooking process.", "questions": [{"question": "Which ingredient did I add to the pan immediately after the sliced onions, and what did I do with the pan right after I served the stir-fry?", "options": ["A. the raw chopped meat, and I dried the pan with a towel", "B. the yellow paste from a tube, and I washed the pan in the sink", "C. the dark soy sauce, and I placed the pan back on the stove", "D. the sliced onions, and I cooked eggs in the pan"], "answer": "B", "evidence": "The video shows adding sliced onions to the pan, then squeezing yellow paste, then pouring soy sauce. After transferring the stir-fry to the blue bowl, I washed the pan with a sponge.", "timestamps": "90-140s and 140-210s"}, {"question": "Which ingredient did I add to the pan after the yellow paste, and what did I do with the pan after I served the dish?", "options": ["A. the yellow paste, and I dried the pan", "B. the raw meat, and I placed the pan on the stove", "C. the sliced onions, and I cooked eggs in the pan", "D. the soy sauce, and I washed the pan"], "answer": "D", "evidence": "The video shows squeezing yellow paste first, then pouring soy sauce. After serving the stir-fry, I washed the pan with a sponge.", "timestamps": "90-140s and 165-210s"}, {"question": "The first time I used the light-blue bowl, it was empty. What did I later put into it, and what did I do immediately after putting it in?", "options": ["A. cooked stir-fry, and then I washed the pan", "B. raw meat, and then I added onions to the pan", "C. eggs, and then I whisked them in the bowl", "D. sliced onions, and then I added them to the pan"], "answer": "A", "evidence": "They lift the pan and carefully transfer the cooked food into the light-blue bowl. After emptying the pan, they move to the sink, turn on the tap, and begin washing the pan.", "timestamps": "140-165s and 165-210s"}, {"question": "Before I poured the cooking oil into the pan, where had I retrieved the bottle from, and what was the condition of the pan at that time?", "options": ["A. from the drawer under the counter, and the pan was clean", "B. from the white cabinet, and the pan was dirty", "C. from the countertop, and the pan was empty", "D. from the drawer under the counter, and the pan was hot"], "answer": "A", "evidence": "They open a drawer under the counter, take out a bottle of cooking oil, and close the drawer. They place the clean pan on the stove and turn the burner on again. They pour a generous amount of cooking oil into the pan.", "timestamps": "210-250s and 250-300s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "b6fa2c74-b5d6-465e-b569-3b1a1595b68e", "description": "0-40s: The video begins with a first-person view of a kitchen counter. A person is slicing a purple eggplant into rounds on a white cutting board using a silver knife. The sliced eggplant is being placed into a white ceramic pitcher/bowl to the left. To the right, a stainless steel sink contains vegetable peels and scraps. A large metal pot is visible on the stove to the left, containing boiling water with carrots.\n\n40-60s: The person stops chopping and turns away from the counter, walking towards a wooden cabinet unit. They open the upper cabinet door and reach inside, retrieving a white plastic basket filled with various pantry items. They pull the basket out slightly to search through it.\n\n60-75s: The person retrieves a small packet and a yellow box labeled \"AJINOMOTO\" (likely a seasoning or soup base) from the basket. They return to the counter area, holding the items. They appear to be examining the packaging before setting them down near the cutting board.\n\n75-145s: The person picks up a metal ladle and begins stirring the contents of the large metal pot on the stove. The water is boiling vigorously, and steam is rising. They stir repeatedly, seemingly checking the broth or ensuring the ingredients are mixed. The pot contains water, carrots, and possibly other vegetables or noodles.\n\n145-175s: After stirring, the person takes the ladle to the sink and rinses it under running water. They then open a drawer beneath the sink and retrieve a white bowl or plate, which they also rinse briefly before placing it on the counter.\n\n175-220s: The person picks up a red bell pepper from the counter. They wash it under the tap in the sink. Returning to the cutting board, they slice off the top of the pepper and begin cutting it into strips. The previously sliced eggplant remains in the white pitcher nearby.\n\n220-265s: Next, the person handles a long, dark green vegetable, likely a cucumber or zucchini. They wash it under the tap and place it on the cutting board. They trim the ends and slice it into thin rounds.\n\n265-280s: The person gathers the sliced cucumber/zucchini rounds and transfers them into the white pitcher along with the eggplant slices.\n\n280-310s: The person picks up a black plastic tray containing pre-sliced yellow squash or pumpkin. They remove the plastic wrap and take out a slice. They wash the yellow squash slice under the tap.\n\n310-360s: Placing the yellow squash on the cutting board, the person uses the knife to cut the slices into smaller, bite-sized pieces. They arrange the cut pieces on the board next to the red pepper strips.\n\n360-375s: The person finishes cutting the yellow squash and sets the knife down. The cutting board now holds piles of sliced red pepper, cucumber/zucchini, and yellow squash.\n\n375-405s: The person picks up a clear plastic package containing green okra pods. They open the package and take out a few pods. They wash the okra under the tap in the sink.\n\n405-435s: Returning to the cutting board, the person slices the okra. They cut the tips off and then slice the pods into rounds or halves.\n\n435-450s: The person continues slicing the okra, adding the pieces to the pile on the cutting board.\n\n450-465s: The person reaches for another package of okra (or the remaining portion of the previous package), opens it, and takes out more pods. They wash these new okra pods under the tap.\n\n465-480s: Finally, the person places the new okra pods on the cutting board and begins slicing them, continuing the preparation process as the video ends.", "questions": [{"question": "After I sliced the eggplant into rounds and placed them in the white pitcher early on, what did I later transfer into that same pitcher?", "options": ["A. the trimmed cucumber rounds that I sliced thinly", "B. the washed red pepper strips cut from the top", "C. the bite-sized pieces cut from the yellow squash", "D. the freshly sliced green okra pods from the package"], "answer": "A", "evidence": "0-40s: slicing eggplant into rounds and placing them in the white pitcher. 265-280s: gathers sliced cucumber/zucchini rounds and transfers them into the white pitcher along with the eggplant slices.", "timestamps": "0-40s and 265-280s"}, {"question": "After I used the metal ladle to stir the boiling pot, what did I do with it before retrieving a white bowl from the drawer beneath the sink?", "options": ["A. I stirred the boiling pot with it again", "B. I rinsed it under running tap water at the sink", "C. I held it in my hand over the steaming pot", "D. I placed it in the sink beside the vegetable peels"], "answer": "B", "evidence": "75-145s: stirring the boiling pot with the metal ladle. 145-175s: takes the ladle to the sink and rinses it under running water, then opens the drawer and retrieves a white bowl.", "timestamps": "75-145s and 145-175s"}, {"question": "When I first picked up the yellow squash, what was it stored in, and what did I do with it right after taking it out?", "options": ["A. a white ceramic pitcher and I trimmed its ends", "B. a clear plastic package and I sliced it into rounds", "C. a black plastic tray and I washed it under the tap", "D. a wooden cabinet and I placed it on the cutting board"], "answer": "C", "evidence": "280-310s: picks up a black plastic tray containing pre-sliced yellow squash, removes plastic wrap, takes out a slice, and washes it under the tap.", "timestamps": "280-310s and 310-360s"}, {"question": "After I finished slicing the first batch of okra, what did I do with the second package, and what did I do with the okra pods from it?", "options": ["A. I opened the package and then washed the yellow squash", "B. I placed the package on the counter and then trimmed the cucumber", "C. I returned the package to the cabinet and then transferred the cucumber", "D. I washed the pods under the tap and then began slicing them"], "answer": "D", "evidence": "405-450s: slicing the first batch of okra. 450-480s: reaches for another package of okra, opens it, takes out pods, washes them under the tap, and begins slicing them.", "timestamps": "405-450s and 450-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "badca5ee-61fc-4d80-9991-7ce29ddee7be", "description": "0-120s: The video begins in a spacious, open-plan room that serves as both a gym and a lounge. To the left, a yellow exercise ball sits on the floor next to a black punching bag and a tall mirror leaning against a white partition. The camera pans right, revealing a living area with a flat-screen television on a low grey console unit. Colorful triangular bunting is strung across the large windows behind the TV. The camera moves forward into a hallway with dark walls featuring a large pink and green wireframe mountain mural. On the wall, a white box labeled \"cintas\" is visible, along with a red \"EXIT\" sign above a door. A man wearing a teal zip-up jacket and dark sunglasses appears, walking down the hallway and smiling at the camera.\n\n120-240s: The man in the teal jacket stands near a full-length mirror, holding a silver beverage can, seemingly checking his appearance or posing. The camera pans around the main living area, showing two beige sofas arranged around a white rectangular coffee table with a small potted plant on top. The ceiling is industrial, with exposed metal ductwork, cable trays, and long fluorescent light fixtures. The man stands in the center of the room, talking and gesturing with his free hand. The camera tilts up to show the complex network of pipes and vents on the ceiling before returning to the man.\n\n240-360s: The camera moves towards the back of the room, entering a bedroom area separated by a glass partition. A sign on the glass reads \"Santana Row\". Inside, there is a clothing rack holding various shirts, including a striped pink and black top and a floral patterned shirt. Next to the rack is a bed made with white linens and a grey throw blanket. Three framed pictures hang on the wall above the bed. The camera lingers on the clothes and the bed setup.\n\n360-480s: The man in the teal jacket stands silhouetted against a large window that looks out onto trees and other buildings. He raises his hand, gesturing towards the view outside. He then holds the silver can up high, catching the light from the window. The camera tilts up again to capture the ceiling infrastructure and the bright daylight streaming through the windows, concluding the tour of the space.", "questions": [{"question": "After I had watched the man in the teal jacket walk down the hallway, what was the first thing I saw inside the bedroom area?", "options": ["A. a bed made with white linens and a grey throw blanket", "B. three framed pictures hanging on the wall above the bed", "C. a clothing rack with a striped pink and black top and a floral shirt", "D. the sign reading Santana Row on the glass partition"], "answer": "C", "evidence": "After the hallway, the bedroom area contains a clothing rack holding a striped pink and black top and a floral patterned shirt before the bed and pictures.", "timestamps": "0-120s and 240-360s"}, {"question": "Before I saw the man raise the silver can near the window, where had I seen him holding the same can?", "options": ["A. near the full-length mirror where he checked his appearance", "B. in the center of the room while talking and gesturing", "C. walking down the hallway and smiling at the camera", "D. silhouetted against the large window with a view"], "answer": "B", "evidence": "Man holding silver can near mirror described in 120-240s: 'The man in the teal jacket stands near a full-length mirror, holding a silver beverage can.'", "timestamps": "120-240s and 360-480s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "b7399b65-f186-40d9-8235-6657c0d9fbc2", "description": "0-45s: The video opens on a cluttered kitchen counter with ingredients laid out for preparation. A person's hands enter the frame and begin by washing a green cucumber in the stainless steel sink. After rinsing, they use a knife to trim both ends of the cucumber over the sink basin.\n\n45-135s: The person retrieves a beige plastic mandoline slicer from an overhead dish rack. They hold it over a silver metal bowl and proceed to slice the entire length of the cucumber into thin, round pieces. Once finished, they set the mandoline aside and move the bowl of sliced cucumbers to the side of the counter.\n\n135-210s: Next, the person takes a package of raw chicken thighs from the counter. They place the meat onto a wooden cutting board and use a knife to cut it into bite-sized pieces. During this process, a small pot containing water and two white eggs is visible heating on an induction cooktop to the left.\n\n210-285s: After chopping the chicken, the person moves to the sink area. They take the two boiled eggs from the pot (which was off-screen) and begin peeling them under running water, discarding the shells directly into the sink.\n\n285-360s: The focus shifts to cooking. The person places a small saucepan on the active burner of the induction stove. They add several liquid ingredients from bottles\u2014one appears to be soy sauce or vinegar\u2014and then adds a spoonful of a brown granular substance, likely sugar or dashi powder, stirring the mixture as it heats up.\n\n360-435s: With the sauce simmering, the person returns to vegetable prep. They wash a head of lettuce in the sink using a white colander, tearing the leaves by hand. They also wash a red tomato and chop some green onions on the cutting board.\n\n435-480s: In the final sequence, the person begins assembling the dish. They arrange the torn lettuce leaves onto two separate plates that have been placed on the counter, preparing to layer the other prepared ingredients on top.", "questions": [{"question": "What was the first thing I did after peeling the boiled eggs?", "options": ["A. washed the head of lettuce in the sink using a white colander", "B. made a sauce by mixing soy sauce and a spoonful of brown granules in a saucepan", "C. chopped the fresh green onions into small pieces on the wooden cutting board", "D. arranged the torn lettuce leaves neatly onto two separate plates"], "answer": "B", "evidence": "After peeling eggs (210-285s), the person immediately makes a sauce (285-360s).", "timestamps": "210-285s and 285-360s"}], "n_frames_described": 100, "rejected_blind": 9, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "b5ef8af9-99bb-4df6-b418-3957873c6ff9", "description": "0-45s: The video begins with the person retrieving a white, oval-shaped plate from a stainless steel shelving unit located next to a black refrigerator. They then move to the kitchen counter and place a large, silver metal mixing bowl on the wooden cutting board. On the board are several thick, round slices of a white vegetable, likely daikon radish or onion. A package labeled \"Baked CHICKEN\" is visible nearby.\n\n45-180s: Using a knife, the person proceeds to julienne the white vegetable slices into thin strips. As each piece is cut, they use their hand and the side of the knife to transfer the strips into the metal mixing bowl. This process continues until all the sliced vegetable has been processed. After finishing, the person briefly washes their hands in the sink.\n\n180-270s: The person opens the \"Baked CHICKEN\" package and places a piece of cooked chicken onto the cutting board. They slice the chicken into smaller, bite-sized pieces and add them to the same metal bowl containing the julienned vegetables. Following this, they clean up by placing the used plastic packaging and paper towel into a red bin on the floor. They then pick up the cutting board and knife and begin washing them in the sink.\n\n270-360s: With the prep work done, the person takes a bag of mixed vegetables (containing bean sprouts and carrots) and pours its contents into a pot of boiling water on the stove. They retrieve chopsticks from a drawer to stir the vegetables. Next, they take a small saucepan filled with oil and pour some into a separate frying pan on an adjacent burner before turning on the heat. Once the mixed vegetables are cooked, they are drained using a wire mesh strainer over the sink and then added to the metal bowl with the chicken and raw vegetable strips.\n\n360-480s: The person retrieves a bottle of dark liquid seasoning, possibly soy sauce or ponzu, from the refrigerator. They pour the seasoning over the ingredients in the bowl and mix everything together thoroughly with chopsticks. Finally, they turn their attention back to the stovetop, where the small saucepan of oil is heating up, indicating the next stage of cooking is about to begin as the video concludes.", "questions": [{"question": "After I had washed my hands, which of these actions did I perform next?", "options": ["A. I opened the chicken package and sliced the chicken.", "B. I washed the cutting board and knife in the sink.", "C. I boiled the mixed vegetables in a pot of water.", "D. I retrieved the seasoning bottle from the refrigerator."], "answer": "A", "evidence": "After washing hands following the julienning, the person opens the 'Baked CHICKEN' package and proceeds to slice the chicken.", "timestamps": "45-180s and 180-270s"}, {"question": "After I had put the julienned vegetable strips into the metal bowl, which ingredient did I add before I washed the cutting board, and which ingredient did I add after I drained the cooked vegetables?", "options": ["A. the sliced chicken pieces; the drained mixed vegetables", "B. the drained mixed vegetables; the julienned vegetable strips", "C. the julienned vegetable strips; the sliced chicken pieces", "D. the dark liquid seasoning; the oil from the small saucepan"], "answer": "A", "evidence": "They slice the chicken into smaller, bite-sized pieces and add them to the same metal bowl. They then pick up the cutting board and knife and begin washing them in the sink. Once the mixed vegetables are cooked, they are drained using a wire mesh strainer over the sink and then added to the metal bowl.", "timestamps": "45-180s, 180-270s, 270-360s"}, {"question": "Before I added the cooked mixed vegetables to the metal bowl, what had I already placed in that bowl?", "options": ["A. the julienned vegetable strips and the sliced chicken pieces", "B. the julienned vegetable strips without any chicken", "C. the sliced chicken pieces without any vegetables", "D. the oil from the small saucepan used for frying"], "answer": "A", "evidence": "The person juliennes the white vegetable strips and adds them to the metal bowl, then slices the chicken and adds it to the same bowl. Later, the cooked mixed vegetables are drained and added to the bowl with the chicken and raw vegetable strips.", "timestamps": "45-180s (julienne), 180-270s (chicken), 270-360s (add cooked vegetables)"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "bb9cee56-4c21-4643-bf72-3a806e763b7c", "description": "**0-60s:** The video begins with the person chopping green onions on a white cutting board using a silver knife. The green parts are sliced into small segments. Once chopped, the person reaches into an upper white cabinet and retrieves a blue-sealed Ziploc bag. The chopped onions are transferred into the bag, which is then sealed. The bag is placed into the bottom drawer of the refrigerator, which is already stocked with eggs.\n\n**60-130s:** The person returns to the cutting board to chop the white parts of the green onions (or possibly ginger). Afterward, they open a cabinet beneath the sink and take out a metal pot. A clear glass is filled with water from the tap and poured into the pot. The pot is placed on the black gas stovetop, and the burner is ignited.\n\n**130-210s:** A small yellowish ingredient, likely ginger, is chopped on the cutting board. The refrigerator is opened again to retrieve a package of tofu. The tofu is removed from its plastic container, briefly rinsed under the tap, and then diced into cubes on the cutting board.\n\n**210-270s:** A seasoning packet with red and white packaging is taken from a shelf. The packet is torn open, and the contents are poured into the boiling water in the pot. The previously chopped green onions and tofu cubes are scraped from the cutting board into the pot.\n\n**270-310s:** The soup mixture is stirred using wooden chopsticks. The person monitors the cooking process, adjusting the pot slightly. The cutting board is cleared and set aside.\n\n**310-480s:** The final segment of the video is dedicated to cleanup and organization. The person moves around the kitchen, handling various utensils and dishes. They wash chopsticks and other items in the stainless steel sink. Dishes are arranged on the drying rack next to the sink. The counter space is tidied, and the kitchen is left in an orderly state as the video concludes.", "questions": [{"question": "After I put the pot of water on the stove and lit the burner, what did I add to the now-boiling water before scraping in the chopped green onions and tofu?", "options": ["A. the chopped white parts of the green onions that I had sliced", "B. the small cubes of tofu that I had rinsed and diced under the tap", "C. the dried seasoning mix from the red-and-white packet on the shelf", "D. the freshly sliced pieces of the yellowish ginger that I chopped"], "answer": "C", "evidence": "A clear glass is filled with water from the tap and poured into the pot. The pot is placed on the black gas stovetop, and the burner is ignited. A seasoning packet with red and white packaging is taken from a shelf. The packet is torn open, and the contents are poured into the boiling water in the pot. The previously chopped green onions and tofu cubes are scraped from the cutting board into the pot.", "timestamps": "60-130s and 210-270s"}, {"question": "Before I retrieved the seasoning packet from the shelf, which item had I already taken out of the refrigerator?", "options": ["A. a blue-sealed Ziploc bag containing the chopped green onions", "B. a package of tofu that was kept in a plastic container", "C. a metal pot that I later filled with water from a glass", "D. a pair of wooden chopsticks that I used to stir the soup"], "answer": "B", "evidence": "The refrigerator is opened again to retrieve a package of tofu. A seasoning packet with red and white packaging is taken from a shelf.", "timestamps": "130-210s and 210-270s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "bdbecf72-c99b-4103-aaac-5e98e38ea176", "description": "0-45s: The video begins with a first-person view of someone in a white shirt and pants walking through a dimly lit commercial kitchen or bakery. They are carrying a small, light-colored object. To the left is a large stack of white sacks, likely flour. In front is a stainless steel work table with various containers on it. The person approaches a large, white industrial spiral dough mixer with a metal safety cage. The brand name \"peluberto\" is visible on the side. They place their hand on the machine's control panel.\n\n45-120s: The person lifts the safety cage of the mixer, revealing a large mass of pale yellow dough inside. They then proceed to remove the entire mixing bowl from the base of the machine. After setting the bowl down, they take out a portion of the dough. Next, they move to a different area where a large analog scale is located. They place the dough onto the scale's platform to weigh it. After weighing, they transfer the dough into another container. The process appears to be part of dividing and preparing the dough for baking.\n\n120-240s: This segment shows more of the dough preparation process. The person adds ingredients, including what looks like sugar from a yellow scoop and possibly salt or yeast from a small cup, into the mixing bowl which now contains a new batch of dough. They operate the mixer again, lowering the cage and turning it on. While the mixer runs, they occasionally stop it to scrape down the sides of the bowl with a scraper. At one point, they retrieve a yellow cloth from a cabinet near a sink, wash it under running water, wring it out, and use it to wipe down the exterior of the dough mixer and other surfaces, indicating a cleaning phase during the production cycle.\n\n240-360s: The focus shifts to cleaning and organizing. The person continues to meticulously clean the dough mixer with the yellow cloth, wiping the motor housing and the safety cage. They also clean the surrounding area, including the floor and the base of the machine. They then move to a large, multi-deck oven. Using the same yellow cloth, they wipe down the exterior surfaces and the shelves of the oven. A tray containing what appears to be baked goods (possibly breadsticks or pastries) is visible inside one of the oven decks.\n\n360-480s: In the final segment, the person continues the cleaning routine. They wipe down more of the oven's exterior and handle a large, empty metal baking sheet. They move around the workspace, ensuring equipment is clean. The video concludes with the person still engaged in tidying up the bakery environment, having completed the main stages of dough mixing and initial preparation shown earlier. The overall sequence demonstrates a workflow involving both food production and sanitation in a professional setting.", "questions": [{"question": "After I finished cleaning the oven shelves, what did I do with the yellow cloth?", "options": ["A. I used it to wipe down the baking sheet", "B. I rinsed it and hung it to dry", "C. I continued using it on other surfaces", "D. I discarded it in the trash bin"], "answer": "C", "evidence": "They wipe down more of the oven's exterior and handle a large, empty metal baking sheet, still using the cloth.", "timestamps": "360-420s and 300-360s"}, {"question": "After I had scraped down the sides of the mixing bowl, I later wiped down the oven. What was the first thing I did with the yellow cloth after scraping the bowl?", "options": ["A. I washed the yellow cloth under running water and wrung it out well.", "B. I used the wet cloth to wipe the exterior of the dough mixer.", "C. I cleaned the mixer's motor housing and safety cage with the cloth.", "D. I wiped the oven's shelves with the same yellow cloth."], "answer": "A", "evidence": "retrieve a yellow cloth from a cabinet near a sink, wash it under running water, wring it out", "timestamps": "120-240s and 240-360s"}, {"question": "After I had washed the yellow cloth, I later used it to wipe the oven. What was the first surface I cleaned with it, and what was the last surface I cleaned with it before moving to the oven?", "options": ["A. The mixer's exterior, and then the motor housing and safety cage.", "B. The mixer's motor housing, and then the oven's exterior.", "C. The oven's exterior, and then the oven's shelves.", "D. The mixer's exterior, and then the oven's shelves."], "answer": "A", "evidence": "use it to wipe down the exterior of the dough mixer; continue to meticulously clean the dough mixer with the yellow cloth, wiping the motor housing and the safety cage", "timestamps": "120-240s and 240-360s"}, {"question": "After I had washed the yellow cloth, I later wiped the oven. What was the last thing I cleaned with that cloth before moving to the oven?", "options": ["A. The dough mixer's exterior.", "B. The oven's exterior.", "C. The dough mixer's motor housing and safety cage.", "D. The oven's shelves."], "answer": "C", "evidence": "continue to meticulously clean the dough mixer with the yellow cloth, wiping the motor housing and the safety cage", "timestamps": "120-240s and 240-360s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c1ca1e42-aee7-4837-a0f9-4d609bf06ceb", "description": "0-45s: The video begins in a bathroom with black tiled floors and white fixtures. A person is holding a green-handled mop with a yellow sponge head, positioned over an open toilet bowl. They use a handheld bidet sprayer to wet the mop head directly inside the toilet. After rinsing, they exit the bathroom into a living area with beige tile flooring. The room contains a white desk with a computer monitor, keyboard, bananas, and other items; a green sofa with blue pillows; and a wooden shelving unit cluttered with plastic bags. The person walks past these items toward a corner where a yellow reusable shopping bag sits atop a blue cylindrical object next to some shoes.\n\n45-90s: The person reaches down and opens the yellow bag, which has red handles and text reading \"mimi markets\" along with Arabic script. They reach inside and pull out a pair of grey socks. Sitting on a chair near the desk, they put on the socks while wearing white flip-flops. Once dressed, they stand up, revealing their full attire: grey shorts, a maroon t-shirt, and now white sneakers. They walk back toward the center of the room, passing the desk and sofa again.\n\n90-135s: Now wearing sneakers, the person picks up the green mop again from its resting place near the kitchen counter. They begin mopping the beige tiled floor systematically, starting near the desk and moving toward the shelving unit. The mop leaves visible wet streaks as it glides across the tiles. They maneuver around furniture legs and under tables, ensuring coverage of high-traffic areas. Plastic grocery bags are piled against the base of the shelving unit, which also holds various household goods including boxes labeled \"LOUNGE\" and \"tamin.\"\n\n135-180s: The mopping continues methodically across the entire visible floor space. The person moves from the living area into the adjacent kitchen zone, characterized by white cabinets, a stainless steel dishwasher, and a blue backsplash. Various bottles and containers line the countertop near the sink. After covering this section, they return to the bathroom to rinse the mop head once more using the bidet sprayer over the toilet bowl. Water splashes onto the dark floor during this process. They repeat the rinsing action multiple times before exiting the bathroom again.\n\n180-225s: Back in the main living/kitchen area, the person resumes mopping, focusing particularly on the region surrounding the cluttered wooden shelves. They carefully navigate around the stacked plastic bags\u2014some bearing logos like \"Carrefour\"\u2014and ensure no spot is missed. At one point, they pause to adjust their grip on the mop handle for better leverage. The camera angle shifts slightly downward, emphasizing the motion of the mop head scrubbing the grout lines between tiles.\n\n225-270s: Having completed the initial pass, the person returns to the bathroom for another round of rinsing. This time, after wetting the mop, they squeeze excess water out by pressing it against the side of the toilet seat. They then carry the damp mop back to the living area and continue cleaning, paying special attention to corners and edges near walls and doorways. Their movements become more deliberate as they aim to remove any remaining dirt or residue.\n\n270-315s: The person transitions from mopping to sweeping. They retrieve a blue dustpan and matching broom stored beside a small trash bin near the kitchen entrance. Using both tools together, they gather loose debris\u2014including crumbs and small particles\u2014from the floor into the dustpan. The collected waste is then emptied into the nearby trash receptacle. Throughout this phase, several white plastic bags remain undisturbed on the floor, suggesting they will be addressed later.\n\n315-360s: With basic cleaning done, the person proceeds to dispose of garbage. They pick up three large white plastic bags filled with refuse from different locations around the apartment\u2014one near the shelves, another by the kitchen counter, and a third beside the sofa. Carrying them all at once, they exit through the front door into a brightly lit hallway painted white with turquoise diagonal stripes. Room numbers such as \"206,\" \"209,\" and \"201\" are visible on adjacent doors. An illuminated green \"EXIT\" sign hangs overhead.\n\n360-405s: Walking briskly down the corridor, the person passes windows offering views of an outdoor courtyard featuring palm trees and archways typical of Middle Eastern architecture. They eventually reach what appears to be a service elevator or chute area marked with signage indicating temperature zones (\"20\u00b0C - 208\u00b0C\"). Here, they deposit the bundled trash bags into a designated disposal slot. Upon returning to their own doorway (marked \"201\"), they re-enter the apartment carrying only the mop and cleaning supplies.\n\n405-450s: Inside again, the person places the mop upright against the wall near the entrance. They then open a refrigerator located beneath the kitchen counter. Its interior reveals neatly organized contents: blue plastic bags containing produce, a green colander holding vegetables, cartons of eggs, jars of condiments, and wrapped meats. The individual inspects the crisper drawer briefly before closing the fridge door. Next, they approach the wooden shelving unit once more, examining its disorganized state closely.\n\n450-480s: Finally, the person puts on disposable latex gloves retrieved from a packet lying on the green sofa. Standing over a red yoga mat placed centrally on the floor, they prepare for further tidying tasks. Their gloved hands gesture toward the messy shelves, signaling intent to organize or clean them next. The scene ends with the person poised to tackle the clutter, having successfully completed the primary cleaning objectives outlined earlier.", "questions": [{"question": "After I first noticed the yellow shopping bag beside the shoes, what did I later remove from it, and where was the mop when I came back from the trash chute?", "options": ["A. a pair of grey socks that I put on; the mop stood upright near the entrance", "B. a green colander holding vegetables; the mop rested beside the kitchen counter", "C. a carton of eggs from the fridge; the mop was rinsed over the toilet", "D. a packet of disposable latex gloves; the mop was carried in the hallway"], "answer": "A", "evidence": "0-45s: yellow reusable shopping bag sits atop a blue cylindrical object next to shoes. 45-90s: I reach inside and pull out a pair of grey socks. 360-405s: I re-enter carrying only the mop and cleaning supplies. 405-450s: I place the mop upright against the wall near the entrance.", "timestamps": "0-45s and 45-90s; 360-405s and 405-450s"}, {"question": "Earlier I had picked up the mop from beside the kitchen counter; after I came back from the trash chute, where was the mop before I opened the refrigerator?", "options": ["A. beside the kitchen counter where I had picked it up before mopping", "B. over the toilet where I had rinsed it with the bidet sprayer", "C. in my hand while I walked back down the hallway after the disposal", "D. upright against the wall near the entrance after coming inside"], "answer": "D", "evidence": "90-135s: I pick up the green mop from its resting place near the kitchen counter. 360-405s: I return from the disposal area carrying the mop. 405-450s: I place the mop upright against the wall near the entrance, then open the refrigerator and inspect the crisper drawer.", "timestamps": "90-135s; 360-405s; 405-450s"}, {"question": "After I had finished mopping and had taken out the trash, I opened the refrigerator to inspect its contents. What did I do just before I opened the refrigerator?", "options": ["A. I placed the mop upright against the wall near the entrance", "B. I put on disposable latex gloves from a packet on the sofa", "C. I picked up three large white plastic bags filled with refuse", "D. I retrieved a blue dustpan and matching broom from the kitchen"], "answer": "A", "evidence": "The person places the mop upright against the wall near the entrance. They then open a refrigerator located beneath the kitchen counter.", "timestamps": "405-420s and 420-435s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c26fb375-b102-4a12-a4d4-4621407ffb60", "description": "0-45s: The video begins with a first-person view of someone sweeping a light-colored tiled floor in what appears to be a kitchen or hallway. The person, wearing grey sweatpants and red-and-black sandals, uses an orange-bristled broom with a wooden handle to push debris towards a brown dustpan held in their left hand. A white plastic bag containing some trash is on the floor nearby. After gathering the dirt, they walk into a small closet with white shelves holding several pairs of shoes and place the dustpan inside before exiting.\n\n45-120s: The person walks back into the main living area, which features a dining table, chairs, and a kitchen counter with a microwave and mini-fridge. They pick up a flat mop with a blue head and a silver extendable handle that was leaning against a wall. They then proceed to clean a set of dark grey marble stairs, moving from the bottom step upwards. At the top of the stairs, a red fire extinguisher is mounted on the wall next to a sign that reads \"Fire Extinguisher\" in English and Arabic.\n\n120-210s: After mopping the stairs, the person returns to the ground floor and enters a bathroom with dark grey tiles. They open the glass door to the shower stall. Inside the shower, they turn on the water and rinse the white microfiber pad attached to the flat mop. They then detach the dirty pad from the blue mop head by pressing a yellow release button. Using a handheld showerhead, they thoroughly rinse the black tiled floor of the shower stall, scrubbing it with a white cloth. After cleaning, they reattach a fresh white pad to the mop head.\n\n210-300s: The person exits the bathroom, dries their hands on a white towel hanging on the wall, and walks down a long, narrow hallway with cream-colored walls and flooring. They enter a bedroom at the end of the hall. The room contains a wooden bed with white linens, a desk with a computer monitor, and a sliding glass door leading to a balcony. On the balcony door, a yellow sticker is visible with the text \"CAUTION TILT DOORS LOCK WHEN CLOSED\".\n\n300-480s: In the bedroom, the person begins mopping the light-colored tiled floor. They systematically clean the entire room, maneuvering the mop around and under the furniture, including a black office chair, a blue upholstered chair, the bed, and a wooden desk. They pay close attention to the corners and the space beneath the nightstands, ensuring all areas are covered. The video concludes as they finish mopping the last section of the bedroom floor near the wardrobe.", "questions": [{"question": "Earlier I swept the tiled floor, and later I mopped the bedroom floor. What action did I take immediately after I finished mopping the marble stairs?", "options": ["A. I picked up the flat mop with the blue head from against the wall", "B. I entered the bathroom and opened the glass door to the shower stall", "C. I dried my hands on the white towel hanging on the bathroom wall", "D. I swept the light-colored tiled floor with the orange-bristled broom"], "answer": "B", "evidence": "After mopping the stairs, the person returns to the ground floor and enters a bathroom with dark grey tiles. They open the glass door to the shower stall.", "timestamps": "45-120s and 120-210s"}, {"question": "After I mopped the marble stairs, I rinsed the dirty pad in the shower. What did I do to that exact pad before I reattached a fresh one?", "options": ["A. I scrubbed the black shower tiles with it until they were thoroughly clean", "B. I placed it on the white shelf inside the small closet near the entrance", "C. I detached it from the blue mop head by pressing a small yellow button", "D. I dried it with the white towel that was hanging on the bathroom wall"], "answer": "C", "evidence": "They then detach the dirty pad from the blue mop head by pressing a yellow release button.", "timestamps": "45-120s and 120-210s"}, {"question": "After I rinsed the dirty mop pad in the shower, what did I do with that specific pad, and where did I go immediately after leaving the bathroom?", "options": ["A. I reattached it to the mop, and walked to the living area by the dining table", "B. I scrubbed the shower floor with it, and walked to the small closet near the entrance", "C. I dried it with the white towel, and walked to the kitchen counter with the microwave", "D. I detached it from the mop, and walked to the bedroom at the end of the hall"], "answer": "D", "evidence": "They then detach the dirty pad from the blue mop head... After cleaning, they reattach a fresh white pad... The person exits the bathroom... They enter a bedroom at the end of the hall.", "timestamps": "120-210s and 210-300s"}, {"question": "After I completed the initial cleaning step, I picked up a flat mop. What was the initial cleaning step I had just finished?", "options": ["A. I swept the light-colored tiled floor with an orange-bristled broom", "B. I mopped the dark grey marble stairs from the bottom step upward", "C. I rinsed the dirty white microfiber pad under the shower water", "D. I dried my hands on the white towel hanging on the bathroom wall"], "answer": "A", "evidence": "0-45s: ... sweeping... 45-120s: They pick up a flat mop with a blue head...", "timestamps": "0-45s and 45-120s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c1cbf293-b4ca-4ae2-8d26-ae56faabd850", "description": "0-50s: The video begins with a first-person perspective of someone walking through a room with light-colored wood-patterned flooring and pink walls. They pass a bed with a beige patterned sheet and a wooden chair. The person picks up a small green plastic dustpan and a traditional straw broom with colorful bands on the handle. They then pick up a clear plastic container with a blue lid (featuring a green cross logo) and walk towards a narrow pantry area.\n\n50-100s: Inside the pantry, shelves are stocked with various glass jars and containers. A yellow and black bag hangs on the wall. The person places the plastic container on top of a stack of colorful storage boxes. They then exit the pantry and return to the main room.\n\n100-150s: The person begins sweeping the floor with the straw broom. To clean thoroughly, they move a red plastic stool out of the way. They sweep dust and debris into a central pile on the floor.\n\n150-200s: Carrying the green dustpan and broom, the person walks outside onto a red-tiled patio. On the exterior wall, various cleaning tools (brooms, mops) are hanging. They retrieve a larger orange plastic dustpan from the wall. They bring the orange dustpan back inside, leaving the green one behind or setting it aside.\n\n200-250s: Using the orange dustpan, the person scoops up the pile of dirt they previously swept. They carry the full dustpan outside and dump the contents onto the ground near a garden area.\n\n250-300s: Returning inside, the person continues sweeping, focusing on the area around a silver front-loading washing machine and under a low bed or platform. They gather more debris.\n\n300-350s: The person takes the orange dustpan outside a second time to dispose of the newly collected dirt. After emptying it, they hang the straw broom on a hook on the exterior wall, organizing it alongside other brooms.\n\n350-400s: Back inside, the person picks up a grey cloth. They proceed to wipe down surfaces, starting with a light-colored wooden table. They then pick up a book or magazine with an illustration of horses on the cover and wipe its surface clean.\n\n400-450s: The person wipes down a dark wooden cabinet or dresser. They then reach for a black object (appearing to be a charger or electronic accessory) hanging on a wooden rack, examining or untangling it. They move the red plastic stool again to tidy the space.\n\n450-468s: Finally, the person moves to the kitchen area. They stand at a stainless steel sink filled with dirty dishes, pots, and pans. They begin washing the items, using a scrubber and running water to clean them.", "questions": [{"question": "After I hung the broom on the exterior wall, what did I pick up next?", "options": ["A. A black charger from the wooden rack to untangle.", "B. A book with a horse illustration to wipe its cover.", "C. A grey cloth used to wipe down surfaces.", "D. An orange dustpan from the wall to collect dirt."], "answer": "C", "evidence": "Back inside, the person picks up a grey cloth.", "timestamps": "300-350s and 350-400s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "bcf918a0-2280-4295-83c1-722f378d770f", "description": "0-15s: The video opens with a view of several buckets on a wet concrete floor. A large blue and white bucket labeled \"Fisher Scientific\" sits next to a smaller blue bucket and a white paint bucket. In the foreground, a white bucket contains soapy water. A person's hands enter the frame holding a dark garment with blue trim, which they begin to wash by hand in the soapy water.\n\n15-45s: The person continues to vigorously scrub the dark garment on the wet floor. They use their hands to agitate the fabric in the sudsy water, creating more foam. After some time, they pick up a silver-colored metal bowl (a lota) and pour fresh water from it over the garment to rinse it. This rinsing process is repeated multiple times, with the person pouring water and then wringing out the garment.\n\n45-90s: After finishing with the first garment, the person sets it aside. They then reach for a pair of black sneakers that were lying nearby. Before washing the shoes, they remove a pair of black socks from inside them. The person dips the socks into the white bucket of soapy water, agitating them to clean them thoroughly.\n\n90-135s: With the socks cleaned, the person begins to wash the sneakers. They take the black socks and use them as a makeshift cloth to wipe down the exterior of the shoes. Next, they grab a light blue sponge from an orange soap dish and begin scrubbing the sneakers, focusing on the sides and soles. The shoes become covered in white suds.\n\n135-170s: The person continues to meticulously scrub both sneakers with the blue sponge, ensuring all surfaces are cleaned. They pay close attention to the laces and the area around the tongue of the shoe. Once satisfied, they set the sponge down and pick up one of the now-cleaner-looking socks again to do some final wiping.\n\n170-210s: The person finishes cleaning the shoes and places them back on the floor. They then turn their attention back to the cleaning supplies, briefly touching a phone charging on a nearby shelf before returning to the task. They pour more water from the metal bowl onto the shoes for a final rinse, scrubbing them one last time with their hands and the sock. Finally, they empty the dirty, soapy water from the white bucket onto the floor and place the now-empty bucket back among the others, concluding the cleaning session.", "questions": [{"question": "After I washed the dark garment and before I cleaned the sneakers, what did I do with the black socks that I found inside the sneakers?", "options": ["I removed them and washed them in the soapy water", "I used them as a cloth to wipe the outside of the sneakers", "I set them aside and used the blue sponge on the soles", "I rinsed them with water from the metal bowl and wrung them out"], "answer": "A", "evidence": "They then reach for a pair of black sneakers that were lying nearby. Before washing the shoes, they remove a pair of black socks from inside them. The person dips the socks into the white bucket of soapy water, agitating them to clean them thoroughly.", "timestamps": "45-90s (socks removed and washed) and 90-135s (sneakers cleaned later)"}], "n_frames_described": 100, "rejected_blind": 9, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "bf235f87-22f8-406f-8f77-d4525008d5b0", "description": "0-25s: The video begins with a first-person view of a person standing in front of a store aisle stocked with over-the-counter medications and health products. The shelves are white pegboards holding various items like Halls cough drops, Ricola lozenges, nasal strips, Band-Aids, and bottles of hand sanitizer. On the lower shelves, there are boxes of Aleve, Advil, Cepacol, Excedrin, and Clorox disinfecting wipes. A red shopping basket is visible on the floor to the right.\n\n25-60s: The person's hand reaches out and picks up a blue box of Advil. They then hold up a white sheet of paper, which appears to be a shopping list, against the shelf. Next, they pick up a green and white box of Excedrin Extra Strength, holding both the Advil and Excedrin boxes to compare them while looking at the list. After a moment, they place the Advil back on the shelf and continue to examine the Excedrin box, turning it over to read the label.\n\n60-95s: The person puts the Excedrin box down and picks up another item from the shelf, this time a blue box of Aleve. They hold the Aleve box up, examining its side panel closely. The camera pans slightly, showing more of the surrounding products, including large purple packages of Viva paper towels on an upper shelf.\n\n95-130s: After inspecting the Aleve, the person places it into their red shopping basket. They then turn their attention back to the list, holding it up again. Their gaze shifts to a red blister pack of Airborne immune support tablets hanging on the pegboard. They take the Airborne package off the hook.\n\n130-170s: Holding the Airborne package, the person compares it to their shopping list before placing it into the red basket. They briefly look at the list again, then scan the aisle one more time. The camera shows a Carmex lip balm being picked up and examined before being added to the basket as well. The person continues to review their list.\n\n170-215s: Having finished with the medication aisle, the person walks away from the shelves and moves towards the refrigerated section of the store. The camera passes by a glass-fronted display case containing cakes and pastries. They arrive at a row of commercial refrigerators filled with beverages.\n\n215-260s: The person opens the door to one of the refrigerators. Inside, there are multiple shelves stocked with bottled water (Dasani, Fiji), sparkling water (Gerolsteiner, Perrier, S.Pellegrino), and energy drinks (Monster, Red Bull). They reach in and select a green glass bottle of S.Pellegrino sparkling natural mineral water.\n\n260-305s: After taking the S.Pellegrino, the person closes the fridge and opens an adjacent one. From this refrigerator, they retrieve a clear plastic bottle of Gerolsteiner sparkling natural mineral water. They examine the label on the Gerolsteiner bottle, comparing it to their list, before placing it into their shopping basket.\n\n305-340s: With all items collected, the person carries the red basket through the store to the checkout counter. A female cashier with long brown hair, wearing a black t-shirt over a white long-sleeved shirt, greets them. The person places the basket on the wooden counter.\n\n340-380s: The cashier begins the checkout process. She takes items out of the basket one by one\u2014a water bottle, a box of tissues, and other goods\u2014and scans them using a black cash register. As she scans each item, she places it into a brown paper bag standing next to the register.\n\n380-420s: The cashier continues to scan the remaining items from the red basket, including snacks and the previously selected medications. She efficiently rings up each product and packs it into the paper bag. The total on the register screen is briefly visible.\n\n420-480s: The final items are scanned and bagged. The cashier finishes the transaction, and the video concludes with the fully packed paper bag on the counter, ready for the customer.", "questions": [{"question": "After I placed the Aleve into the red basket, which bottle did I take from the first refrigerator I opened when I reached the refrigerated section?", "options": ["A. the clear plastic Gerolsteiner sparkling mineral water bottle", "B. the Dasani bottled water that was stocked inside the fridge", "C. the green glass S.Pellegrino sparkling mineral water bottle", "D. the Perrier sparkling water that was also inside the fridge"], "answer": "C", "evidence": "After inspecting the Aleve, the person places it into their red shopping basket. They reach in and select a green glass bottle of S.Pellegrino sparkling natural mineral water.", "timestamps": "95-130s and 215-260s"}, {"question": "After I finished in the medication aisle, which drink did I take from the second refrigerator I opened in the refrigerated section?", "options": ["A. the green glass S.Pellegrino sparkling mineral water bottle", "B. the can of Monster energy drink from the fridge shelf", "C. the can of Red Bull energy drink from the fridge shelf", "D. the clear plastic Gerolsteiner sparkling mineral water bottle"], "answer": "D", "evidence": "Having finished with the medication aisle, the person walks away from the shelves and moves towards the refrigerated section. After taking the S.Pellegrino, the person closes the fridge and opens an adjacent one. From this refrigerator, they retrieve a clear plastic bottle of Gerolsteiner sparkling natural mineral water.", "timestamps": "170-215s and 260-305s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c0caabd4-d0e8-4c99-8ce9-59978757a60d", "description": "0-45s: The video begins with a first-person perspective of someone walking down a modern office hallway with glass walls and exposed ceiling pipes. In their hand, they hold a white packet with the green Starbucks logo. They pass a man in a black shirt walking in the opposite direction.\n\n45-90s: The camera enters a living area. A coffee station is visible with a black coffee maker, green mugs, and snacks. The camera pans right, revealing a white sofa, floor lamps, and framed art on the walls. A man wearing sunglasses and a blue/white sleeveless hoodie comes into view, standing near a doorway.\n\n90-135s: The camera moves into a bedroom. A bed with white bedding is centered. To the left is a white nightstand with a lamp and a small potted plant. Sunlight streams through large windows with grey blinds. The man in the sleeveless hoodie is seen near the window, possibly adjusting the blinds.\n\n135-180s: The camera focuses on a black metal clothing rack. Several garments are hanging on it, including a pink and black striped shirt. A hand reaches out to touch the clothes. The camera then pans to a black mesh room divider.\n\n180-225s: The camera returns to the clothing rack, showing more clothes. It then pans down to a black storage bin on the floor, which appears to contain dark clothing. Next to it is a white laundry basket with a geometric pattern.\n\n225-270s: The camera moves back into the bedroom, showing the bed and a patterned rug on the floor. The man in the sleeveless hoodie walks across the room. The camera then exits the bedroom and moves back into the main living area.\n\n270-315s: The camera pans across the living room. A grey sofa, a glass coffee table with water bottles, and a yellow exercise ball near the window are visible. The room is bright with natural light.\n\n315-360s: The camera moves to a kitchenette area. A white mini-fridge is open, revealing drinks inside. On the counter, there are various items including a coffee maker and snacks. The camera then pans to a corner where an electronic keyboard is set up on a stand. Red lights are visible on the keys.\n\n360-405s: The camera focuses on a white cabinet against a wall. Above it are framed pictures. A hand reaches out and touches the cabinet door. The camera then shows a snare drum on a stand with drumsticks resting on it.\n\n405-450s: The camera moves to a white armchair in a corner. The man in the sleeveless hoodie sits down in the chair, holding a patterned pillow. He adjusts his position and looks around. Next to the chair is a small white side table with a plant and a notebook.\n\n450-480s: The camera pans around the room one last time, showing a white bookshelf filled with books and decorative items. The man stands up from the chair. The video ends with a view of the living area and a glimpse back towards the bedroom through a doorway.", "questions": [{"question": "After first seeing the man in the sleeveless hoodie near a doorway, what did I later observe him doing in the bedroom?", "options": ["A. adjusting the grey window blinds that let in the morning sunlight", "B. walking across the bedroom floor toward the doorway", "C. sitting down in a white armchair while holding a patterned pillow", "D. touching clothes on a black metal rack with a pink striped shirt"], "answer": "A", "evidence": "The man in the sleeveless hoodie is seen near the window, possibly adjusting the blinds.", "timestamps": "45-90s and 90-135s"}, {"question": "After I saw the yellow exercise ball, which area did I enter next, and what was the first object I noticed there?", "options": ["A. the living area, where a grey sofa sat in front of a glass coffee table", "B. the bedroom, where a black metal clothing rack displayed several garments", "C. the corner with a white cabinet, where a snare drum rested on its stand", "D. the kitchenette, where I saw a white mini-fridge with its door opened"], "answer": "D", "evidence": "The camera pans across the living room. A grey sofa, a glass coffee table with water bottles, and a yellow exercise ball near the window are visible. The camera moves to a kitchenette area. A white mini-fridge is open...", "timestamps": "270-315s and 315-360s"}, {"question": "Which object did I see after the keyboard and before the snare drum?", "options": ["A. the white cabinet with framed pictures above it", "B. the electronic keyboard with red lights on its keys", "C. the white armchair with a patterned pillow", "D. the grey sofa beside a glass coffee table"], "answer": "A", "evidence": "The keyboard is seen at 315-360s, then the white cabinet is focused on at 360-405s, and the snare drum appears right after.", "timestamps": "315-360s and 360-405s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c4a03684-8a05-40ea-9cf1-f25fa9ffc20f", "description": "0-45s: The video opens on a kitchen counter where chopped potatoes are in a metal bowl inside the sink. A person's hands enter the frame and squeeze mayonnaise from a large, pale yellow bottle with a yellow cap onto the potatoes. They then retrieve a small white container of salt from a drawer, add some to the bowl, and follow it by adding pepper from a shaker taken from a spice rack above the stove. Finally, they pour oil from a clear bottle into the mixture.\n\n45-135s: With all the ingredients added, the person puts on a disposable plastic glove on their right hand. They proceed to thoroughly mix and mash the potato salad directly in the metal bowl over the sink. Once mixed, they transfer the finished potato salad from the mixing bowl onto a white plate. The plate is then covered with plastic wrap and placed inside a microwave. Afterward, the person opens the bottom freezer drawer of the refrigerator and stores the remaining bottles of mayonnaise and oil inside before closing the drawer.\n\n135-225s: The person begins preparing another component of the meal. They take two hard-boiled eggs and slice them on a white cutting board using a knife. After slicing, they wash their hands at the sink. They then pick up a small blue pot from the stovetop, fill it with water from the tap, and place it back on the burner. Next, they open the main compartment of the refrigerator and take out a styrofoam tray containing raw, sliced meat (likely pork or bacon).\n\n225-315s: The person moves to the sink area to prepare the meat. They use chopsticks to transfer the raw meat slices from the packaging into a separate metal bowl. They turn on the faucet and rinse the meat under running water. Meanwhile, at the stove, they unwrap a pat of butter from its foil wrapper and place it into a frying pan that is heating on one of the burners.\n\n315-480s: As the butter melts and sizzles in the hot pan, the person uses the chopsticks to add the rinsed meat to the pan, beginning to cook it. They stir the meat as it cooks. The person then opens the drawer beneath the stove again, searching for a seasoning. They select a jar of what appears to be black pepper or another ground spice, bring it to the counter, and prepare to season the cooking meat.", "questions": [{"question": "After I used chopsticks to transfer raw meat into a metal bowl, I later used the same chopsticks to add the meat to the frying pan. What did I do to the meat in between these two uses?", "options": ["A. rinsed the raw meat slices under the cold running water from the faucet", "B. seasoned the raw meat with ground black pepper from the spice jar", "C. transferred the raw meat slices using the same pair of chopsticks", "D. cooked the raw meat in the melted butter in the frying pan"], "answer": "A", "evidence": "They use chopsticks to transfer the raw meat slices from the packaging into a separate metal bowl. They turn on the faucet and rinse the meat under running water. ... uses the chopsticks to add the rinsed meat to the pan.", "timestamps": "225-315s and 315-480s"}, {"question": "After I had sliced the hard-boiled eggs, I filled a blue pot with water from the tap. Why did I then open the refrigerator's main compartment?", "options": ["A. to retrieve a styrofoam tray holding raw sliced pork or bacon", "B. to put away the bottles of mayonnaise and oil in the freezer", "C. to take out a jar of ground black pepper from the spice rack", "D. to get a pat of butter from the refrigerator's shelf"], "answer": "A", "evidence": "They take two hard-boiled eggs and slice them... They then pick up a small blue pot from the stovetop, fill it with water from the tap, and place it back on the burner. Next, they open the main compartment of the refrigerator and take out a styrofoam tray containing raw, sliced meat.", "timestamps": "135-225s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c27d4a57-e854-427c-b403-d4760f6494b2", "description": "0-60s: The video begins with the person picking up a blue folding bicycle from a cluster of parked bikes near the entrance. They maneuver the bike across the tiled floor towards a black repair stand located in the center of the workshop. The bike is mounted onto the stand, clamped by the seat post, leaving the wheels free-spinning. The person immediately begins inspecting the rear wheel, spinning it with their hand to check the tire and rim alignment.\n\n60-120s: The person retrieves a floor pump and attaches the nozzle to the rear tire's valve stem. They proceed to inflate the tire, monitoring the pressure gauge. Once inflated, they detach the pump and move to the front of the bike, inspecting the front wheel and brake caliper, ensuring everything is aligned correctly before proceeding.\n\n120-180s: Leaving the blue bike on the stand, the person walks over to a large wooden workbench against the wall. The wall is covered with a pegboard holding various wrenches, pliers, and screwdrivers. They scan the tools, pick up a blue-handled multi-tool and a pair of pliers, and then turn their attention to a black Yamaha bicycle parked nearby.\n\n180-240s: The focus shifts to the rear of the black Yamaha bike. The person begins installing a metal rear cargo rack. They position the rack over the rear wheel and use the pliers to manipulate the mounting wires or bolts, securing the rack to the frame. Another mechanic is visible in the background, working on a different black bicycle.\n\n240-300s: With the rack installed, the person takes a spray bottle and a white cloth. They spray the metal rack and wipe it down thoroughly, removing dust and grime. The rack transitions from a dusty state to a clean state. They ensure the surface is dry before the next step.\n\n300-360s: The person places a black wire basket onto the newly cleaned rear rack. They align the basket's mounting points with the rack's holes. Using the pliers again, they twist metal wires or fasteners to lock the basket securely in place, preventing it from wobbling.\n\n360-420s: The person picks up a clear plastic bag containing small items and places it inside the basket. They test the stability of the basket by pushing on it gently. Satisfied, they step back and look at the completed assembly.\n\n420-480s: The person walks back towards the blue bike on the stand, appearing to do a final check. They then walk around the shop, passing shelves stocked with parts and boxes. The video concludes with a view of the workshop floor and the various bicycles in different states of repair.", "questions": [{"question": "After I inflated the rear tire of the blue bike, which part did I check next, and what did I use to secure the rear rack onto the black Yamaha bike?", "options": ["A. I checked the front wheel and brake caliper, and I used pliers to secure the rack", "B. I checked the handlebar grips, and I used a screwdriver to tighten the rack bolts", "C. I checked the chain and derailleur, and I used a multi-tool to fasten the rack", "D. I checked the saddle height, and I used a wrench to attach the rack brackets"], "answer": "A", "evidence": "Once inflated, they detach the pump and move to the front of the bike, inspecting the front wheel and brake caliper... The person begins installing a metal rear cargo rack... use the pliers to manipulate the mounting wires or bolts", "timestamps": "60-120s and 180-240s"}, {"question": "Before I placed the black wire basket onto the rear rack, what did I do to the rack, and later what did I put inside the basket?", "options": ["A. I sprayed it with cleaner and wiped it, and later I placed a clear plastic bag inside", "B. I painted it black, and later I placed a toolbox inside", "C. I polished it with wax, and later I placed a helmet inside", "D. I tightened its bolts, and later I placed a water bottle inside"], "answer": "A", "evidence": "The person takes a spray bottle and a white cloth. They spray the metal rack and wipe it down... picks up a clear plastic bag containing small items and places it inside the basket.", "timestamps": "240-300s and 360-420s"}, {"question": "After I used the floor pump, what tool did I later use to fasten a basket, and what did I place in that basket?", "options": ["A. I used pliers to fasten the basket, and I placed a clear plastic bag into it", "B. I used pliers to fasten the basket, and I placed a spray bottle into it", "C. I used a multi-tool to fasten the basket, and I placed a clear plastic bag into it", "D. I used a multi-tool to fasten the basket, and I placed a spray bottle into it"], "answer": "A", "evidence": "The person inflates the rear tire with a floor pump at the beginning, then later uses pliers to twist wires securing the basket, and picks up a clear plastic bag to place inside it.", "timestamps": "60-120s and 300-420s"}, {"question": "After I inflated the blue bike's rear tire, what did I do to the blue bike at the very end, and what did I place on the black Yamaha's rack?", "options": ["A. I inspected the blue bike's front wheel, and I placed a clear plastic bag on the rack", "B. I did a final check on the blue bike, and I placed a wire basket on the rack", "C. I inspected the blue bike's front wheel, and I placed a wire basket on the rack", "D. I did a final check on the blue bike, and I placed a clear plastic bag on the rack"], "answer": "B", "evidence": "After inflating the rear tire, the person inspects the front wheel, later installs a rack and attaches a wire basket on the black Yamaha, and at the end returns to the blue bike for a final check.", "timestamps": "60-120s and 300-480s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c3e0beea-9f5a-4d8d-ac20-0a6861f62708", "description": "0-45s: The video begins with a first-person perspective moving through a hallway with yellow walls. The camera passes an open closet containing hanging clothes and enters a living room area with beige carpeting and a staircase railing. The camera then turns into a nursery with green walls, panning across a white crib with a patterned blanket, a changing table, and a rocking chair. A large mural of green mountains is visible on one wall.\n\n45-90s: Exiting the nursery, the camera moves back into the hallway and briefly shows an open bathroom cabinet filled with toiletries, including bottles of lotion and a box of \"Always\" pads. The camera proceeds into the kitchen, revealing wooden cabinets, a white microwave, a stove with pots on it, and a sink with dishes in a drying rack. The camera pans to a bay window overlooking a green lawn and trees, then focuses on the counter where a toaster oven and various boxes are sitting.\n\n90-135s: The camera leaves the kitchen, passing a dining table cluttered with papers and a black bag. It moves into a very dark area, likely a garage, where the silhouette of a car and garage door windows are faintly visible. The camera then returns to the dining area, focusing on the table with the papers and bag again.\n\n135-195s: The camera moves up a set of stairs and enters a bedroom. On the wall, there is a large map. The camera focuses on a black shelving unit packed with items in clear plastic bags and pink folded fabrics. Below the shelves are beige fabric storage bins on the floor. The camera lingers here, showing a backpack on the floor nearby.\n\n195-240s: The scene shifts to another bedroom featuring a wooden dresser with a flat-screen TV on top. On the dresser, there is a yellow tray, a clear plastic container with craft supplies, a jar of pinecones, and bottles of paint. The camera pans to the floor where two white boards are leaning against the wall; one has the word \"Family\" in gold cursive letters. A hand reaches down and picks up the \"Family\" board, placing it on the carpet.\n\n240-300s: The person interacts with the dresser drawers. They open the bottom right drawer and pull out a black rectangular object, possibly a frame or a box. After examining it briefly, they place it back inside and close the drawer. The camera pans around the room, showing the dresser and the items on top again.\n\n300-360s: The person opens the middle right drawer of the dresser. They reach in and pull out a white cloth bag with rope handles. They hold it up for a moment before placing it back into the drawer and closing it.\n\n360-420s: The person opens the bottom left drawer. They retrieve a photo album or a large book with a picture on the cover. They hold it up, appearing to look at it, before placing it back into the drawer.\n\n420-480s: The camera focuses on the top of the dresser. A hand reaches for a white bottle labeled \"FolkArt Multi-Surface Matte Acrylic Paint.\" The person holds the bottle, displaying the label, and then sets it down next to a photograph of a family. The video ends with a view of the dresser surface, showing the paint, photos, and yellow tray.", "questions": [{"question": "After I placed the 'Family' board on the carpet, which drawer did I open first, and what did I remove from it?", "options": ["A. the middle right drawer, and I removed a white cloth bag", "B. the bottom left drawer, and I removed a photo album", "C. the bottom right drawer, and I removed a black rectangular object", "D. the bottom right drawer, and I removed a white cloth bag"], "answer": "C", "evidence": "A hand reaches down and picks up the 'Family' board, placing it on the carpet. They open the bottom right drawer and pull out a black rectangular object.", "timestamps": "195-240s and 240-300s"}, {"question": "After I had returned the white cloth bag with rope handles to the middle right drawer, which item did I subsequently pick up from the dresser surface?", "options": ["A. the yellow tray resting on the wooden dresser top", "B. the white FolkArt acrylic paint bottle with a matte finish label", "C. the clear plastic container that held craft supplies", "D. the glass jar filled with pinecones that sat on the dresser"], "answer": "B", "evidence": "After returning the white cloth bag to the middle right drawer, I later reached for a white bottle labeled 'FolkArt Multi-Surface Matte Acrylic Paint' from the dresser top, held it up, and set it down next to a family photograph.", "timestamps": "300-360s (return of white cloth bag) and 420-480s (pickup of paint bottle)"}, {"question": "After I held up the white FolkArt paint bottle and displayed its label to the camera, where had I first seen that same bottle sitting earlier in the video?", "options": ["A. on the kitchen counter near the toaster oven and various boxes", "B. on the dresser top beside a yellow tray and a jar of pinecones", "C. on the bathroom shelf among lotions and the box of Always pads", "D. on the black shelving unit next to clear plastic bags and pink fabrics"], "answer": "B", "evidence": "Earlier the dresser top held a yellow tray, a clear plastic container with craft supplies, a jar of pinecones, and bottles of paint; later I picked up the white bottle labeled FolkArt and displayed its label.", "timestamps": "195-240s and 420-480s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c3153986-70a9-4b69-bc4f-ac58bd0e6a9f", "description": "0-60s: The video opens with a first-person view of a white L-shaped coffee table. On the table, there is an unfolded instruction sheet for the card game \"Exploding Kittens,\" featuring sections titled \"HOW IT WORKS,\" \"SETUP,\" and \"TAKING YOUR TURN.\" To the right, a teal cup sits on a wooden coaster next to a blue and silver beverage can, also on a coaster. A person (Person B), wearing a black t-shirt and a green lanyard, is seated across the table. Their hands are actively shuffling and sorting a deck of cards, separating them into small piles. A black smartphone lies on the left side of the table.\n\n60-120s: The camera pans slightly, showing more of the living room, including a white TV stand with shelves and a grey sofa. Person B continues to organize the cards, creating distinct stacks. The beverage can remains on the back section of the table. The instruction sheet remains prominently displayed in the foreground.\n\n120-180s: The beverage can is moved from the back section of the table to the front section, closer to the camera. Person B finishes sorting the cards and places a neat stack down. The camera angle shifts, focusing more on the center of the table where the game components are laid out.\n\n180-240s: The camera focuses closely on the instruction sheet. A hand (presumably the camera operator's, Person C) enters the frame and points to the text under \"TAKING YOUR TURN.\" The text \"ENDING THE GAME\" and \"THREE MORE THINGS\" is visible further down the sheet. A red box labeled \"KITTENS\" is placed on the table.\n\n240-300s: Person C picks up a hand of cards. The cards are fanned out, revealing illustrations and text such as \"ATTACK,\" \"SEE THE FUTURE,\" and \"DEFUSE.\" Person B is also holding a hand of cards. They appear to be discussing the game or deciding on a move.\n\n300-360s: The players continue to hold their cards. Person B looks at their hand and then places a card on the table. Person C examines their own cards, which include a \"NOPE\" card and an \"ATTACK\" card. The atmosphere is casual, with both players engaged in the game.\n\n360-420s: Person C puts down their cards and picks up the black smartphone from the table. They scroll through the screen, possibly checking a message or timer. After a brief moment, they put the phone back down and pick up their cards again. Person B watches and waits.\n\n420-480s: The game continues. Person C holds their cards, looking at the \"ATTACK\" card again. Person B is seen holding their cards as well. The camera remains focused on the table, capturing the interaction between the players and the game components. The video ends with the players still in the middle of their game session.", "questions": [{"question": "Before I used my phone, which of these actions had I done most recently?", "options": ["A. I moved the silver can from the back to the front of the coffee table.", "B. I pointed to the 'TAKING YOUR TURN' section of the game instructions.", "C. I picked up a hand of cards and fanned them out in front of me.", "D. I placed the red KITTENS box on the table near the cards."], "answer": "C", "evidence": "At 240-300s, Person C picks up a hand of cards. At 360-420s, Person C puts down the cards and picks up the smartphone.", "timestamps": "240-300s and 360-420s"}, {"question": "After I used my phone, which of these actions had I done earliest?", "options": ["A. I moved the silver can from the back to the front of the coffee table.", "B. I pointed to the 'TAKING YOUR TURN' section of the game instructions.", "C. I picked up a hand of cards and fanned them out in front of me.", "D. I placed the red KITTENS box on the table near the cards."], "answer": "A", "evidence": "At 120-180s, the beverage can is moved from the back section to the front section. At 360-420s, Person C uses the phone.", "timestamps": "120-180s and 360-420s"}, {"question": "After I used my phone, where was the beverage can that I had moved earlier?", "options": ["A. The beverage can was on the floor beside the coffee table.", "B. The beverage can was at the front section of the coffee table.", "C. The beverage can was on the white TV stand shelf.", "D. The beverage can was at the back section of the coffee table."], "answer": "B", "evidence": "At 120-180s, the can is moved to the front section. At 360-420s, the phone is used; the can remains in the front.", "timestamps": "120-180s and 360-420s"}, {"question": "After I used my phone, which card from my initial hand was still with me, and which card had I seen only before picking up the phone?", "options": ["A. the NOPE card still in hand, and the SEE THE FUTURE card only before phone", "B. the SEE THE FUTURE card still in hand, and the DEFUSE card only before phone", "C. the DEFUSE card still in hand, and the ATTACK card only before phone", "D. the ATTACK card still in hand, and the NOPE card only before phone"], "answer": "D", "evidence": "Person C picks up a hand of cards revealing ATTACK, SEE THE FUTURE, DEFUSE (240-300s). Later, Person C examines cards including NOPE and ATTACK (300-360s). After using the phone, Person C looks at the ATTACK card again (420-480s).", "timestamps": "240-300s and 420-480s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c3825528-6bf2-455e-b7e2-3030bd2dff0f", "description": "0-45s: The video opens with a first-person view of a person standing at a kitchen sink. They are washing green shiso leaves under running water from a chrome faucet, placing the cleaned leaves onto a white cutting board to their right. A silver knife and spoon also rest on the board. After rinsing several leaves, they place a small metal bowl in the sink and then move away from the counter.\n\n45-90s: The person walks to a white refrigerator, opens it, and retrieves a pre-packaged tray of what appears to be fried food (likely chicken karaage). They close the fridge and return to the main counter area, placing the package down next to the stove. Next, they open a microwave oven located above the counter, revealing a glass bowl containing chopped broccoli covered with plastic wrap. They remove the bowl, inspect the contents, and then place it back inside before closing the microwave door.\n\n90-135s: Returning to the counter, the person picks up the package of fried food again. They attempt to open it by hand but struggle, so they grab a pair of black-handled scissors from the counter and cut the top of the plastic packaging open. Once opened, they transfer some of the fried pieces onto the cutting board and begin chopping them into smaller bits using the silver knife.\n\n135-180s: After chopping the fried food, the person places the remaining uncut portion back into its original tray and puts it aside. They then walk back to the refrigerator, open it, and take out another packaged item \u2014 this one appears to contain crab sticks or similar seafood product. They examine the label briefly before setting it down near the stove.\n\n180-225s: The person moves to the stovetop, where two pots are already simmering. One pot contains yellowish chunks (possibly potatoes or squash), which they stir with their fingers. The other pot holds a clear broth with round white items (likely fish balls or dumplings). They lift the lid off the second pot, check the contents, and replace the lid. Then, they pick up a ladle and skim foam or impurities from the surface of the broth.\n\n225-270s: Moving back to the counter, the person takes a blue plastic bag containing white oval-shaped objects (possibly mochi or rice cakes) and empties them into the simmering broth pot. They use their hands to ensure all pieces fall in. Afterward, they rinse their hands under the tap and discard the empty blue bag into a nearby trash bin lined with a white plastic bag.\n\n270-315s: The person returns to the sink area and begins preparing more vegetables. They retrieve a colander filled with chopped broccoli from the counter and rinse it thoroughly under running water. They shake off excess moisture and set the colander aside. Then, they open a drawer beneath the sink and pull out a dark-colored rectangular serving plate, which they carry over to the dining table visible in the adjacent room.\n\n315-360s: Back at the stove, the person uses chopsticks to stir the contents of the broth pot, ensuring even cooking. They then reach for a small packet labeled \"S&B\" (a brand of Japanese seasoning mix) and tear it open. Sprinkling the contents into the pot, they continue stirring gently. Another packet, possibly containing dried seaweed or herbs, is also added to the soup.\n\n360-405s: The person continues adding ingredients to the pot. They open a larger resealable bag filled with shredded light-green vegetable matter (perhaps daikon radish or cabbage) and pour a generous amount into the simmering broth. They repeat this process with a second identical bag, ensuring enough volume for the dish. Each addition is followed by gentle stirring with chopsticks.\n\n405-450s: With multiple components now cooking simultaneously, the person checks the progress of each pot. They adjust the heat settings on the gas stove as needed. Meanwhile, they prepare additional garnishes or side dishes, though these actions occur mostly off-camera. The focus remains on managing the timing and consistency of the main soup component.\n\n450-480s: In the final moments, the person adds one last ingredient \u2014 a small pinch of black sesame seeds or similar spice \u2014 directly from a container held in their left hand. They give the pot a final stir, taste a small sample using a spoon, and nod approvingly. The camera pans slightly upward toward the ceiling as the scene concludes, suggesting satisfaction with the completed meal preparation.", "questions": [{"question": "Before I added the seasoning packet to the broth, what item had I placed near the stove after inspecting its label?", "options": ["A. The packaged fried food that I later chopped into pieces with a knife", "B. The tray of crab sticks taken from the refrigerator and set near the stove", "C. The two resealable bags of shredded light-green daikon radish for the soup", "D. The small container of black sesame seeds that I used for the final garnish"], "answer": "B", "evidence": "The person takes out a packaged item containing crab sticks, examines the label briefly, and sets it down near the stove.", "timestamps": "135-180s and 315-360s"}, {"question": "Which ingredient did I add to the broth before the shredded vegetables?", "options": ["A. The white oval mochi cakes that I emptied into the pot from a blue bag", "B. The fried chicken pieces that I cut up from the package after opening it", "C. The crab sticks that I took out from the refrigerator and set on the counter", "D. The black sesame seeds that I sprinkled into the pot from a small container"], "answer": "A", "evidence": "The person empties a blue bag of white mochi into the broth pot, and later pours shredded vegetables into the same pot.", "timestamps": "225-270s and 360-405s"}, {"question": "The cutting board on which I later chopped part of a packaged item had first been used for what?", "options": ["A. Supporting a bowl of broccoli that I inspected in the microwave.", "B. Holding the green leaves I had just rinsed under running water.", "C. Resting a ladle I used to skim the surface of the broth.", "D. Holding the dark serving plate I had pulled from the drawer."], "answer": "B", "evidence": "0-45s: placing the cleaned leaves onto a white cutting board; 90-135s: chopping fried food bits on the cutting board using the silver knife.", "timestamps": "0-45s and 90-135s"}, {"question": "After I threw away the empty bag that had held the white round pieces, what tool had I used much earlier to open the packaged fried food, and what did I do with the part I didn't chop?", "options": ["A. the black-handled scissors; placed the leftover back in its tray", "B. the silver knife; added the leftover to the simmering broth", "C. the silver spoon; rinsed the leftover under running water", "D. the wooden ladle; tossed the leftover into the trash bin"], "answer": "A", "evidence": "225-270s: discard the empty blue bag into the trash bin; 90-135s: grab black-handled scissors and cut open the fried food package; 135-180s: place the remaining uncut portion back into its original tray and put it aside.", "timestamps": "90-135s and 225-270s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c636d0f8-7009-433f-8bb1-645e03b2fe1a", "description": "0-45s: The video begins at the kitchen sink. A person is washing dishes, specifically rinsing a clear plastic container and a pair of wooden chopsticks under the running tap. After rinsing, they turn off the tap. They then walk to a white trash bin with a pedal lid located near the cabinets and dispose of a piece of paper or wrapper.\n\n45-90s: The person moves to the right side of the kitchen where a white microwave is situated. They open the microwave door to reveal a yellow plate inside holding a slice of bread and a fried egg. They take a small packet, possibly containing sauce or seasoning, and place it on the plate before closing the microwave door to heat the food.\n\n90-135s: The person reaches up to a cabinet with glass doors mounted above the microwave. They open the cabinet and retrieve a small white bowl. Next, they move to the stove area and open the drawer beneath it, which functions as a toaster oven. Inside, slices of bread are toasting. The person uses chopsticks to check or adjust the bread.\n\n135-180s: Walking to the refrigerator on the left, the person opens the door and retrieves a small container. They place this container on the counter near the sink. They also handle a package of what appears to be silken tofu, setting it down on the counter as well.\n\n180-225s: The microwave cycle completes. The person opens the microwave and removes the heated yellow plate with the toast and egg. They place it on the counter and begin arranging several small bowls containing side dishes, such as pickles, around the main plate.\n\n225-270s: The person opens a drawer under the counter, which is a dishwasher, and takes out a clean plate. They then move to the stove, lift the lid off the front pot to reveal a simmering stew or curry, and stir the contents with chopsticks.\n\n270-315s: Using a ladle, the person serves the hot stew from the pot into the small white bowl they retrieved earlier. They place the filled bowl on the counter alongside the other prepared dishes.\n\n315-360s: Returning to the microwave, the person opens it and places a wrapped item, likely a rice ball (onigiri), inside. After heating it, they remove the item, unwrap it, and place it on a plate.\n\n360-380s: Finally, the person checks the toaster oven drawer once more to ensure the toast is ready. They take the toast out and arrange it on a plate. The meal is now fully assembled on the counter, featuring the stew, rice ball, toast, egg, and various side dishes.", "questions": [{"question": "When I opened the microwave after the heating cycle completed, what did I find on the yellow plate that I had placed there earlier?", "options": ["A. A slice of bread and a fried egg with a small packet", "B. A bowl of leftover stew that I had reheated", "C. A wrapped rice ball that I had just warmed up", "D. A stack of clean plates that I had stored inside"], "answer": "A", "evidence": "The person opens the microwave door to reveal a yellow plate inside holding a slice of bread and a fried egg. They take a small packet and place it on the plate before closing the door to heat the food.", "timestamps": "45-90s and 180-225s"}, {"question": "After I retrieved the small white bowl from the glass cabinet, what did I later use it for, and what tool did I use to fill it?", "options": ["A. I served the hot stew into it using a ladle from the pot", "B. I poured milk into it after heating it in the microwave", "C. I mixed a sauce in it using a pair of wooden chopsticks", "D. I placed a fried egg on top of rice in it using a spatula"], "answer": "A", "evidence": "The person retrieves a small white bowl from the cabinet. Later, using a ladle, the person serves the hot stew from the pot into the small white bowl they retrieved earlier.", "timestamps": "90-135s and 270-315s"}, {"question": "Earlier I placed a container from the refrigerator on the counter near the sink. What did I do with that container after I had arranged the side dishes and before I finished assembling the meal?", "options": ["A. I opened it and scooped out pickles into a small bowl", "B. I rinsed it out again and put it in the dish rack to dry", "C. I moved it to the stove and added its contents to the stew", "D. I wrapped it in plastic and returned it to the refrigerator"], "answer": "A", "evidence": "The person retrieves a small container from the refrigerator and places it on the counter. Later, they begin arranging several small bowls containing side dishes, such as pickles, around the main plate.", "timestamps": "135-180s and 180-225s"}, {"question": "After I retrieved the small white bowl from the cabinet, what did I do before I served the hot stew into it?", "options": ["A. I placed a sauce packet on the plate inside the microwave", "B. I took a clean plate out of the dishwasher under the counter", "C. I heated the rice ball wrapped in plastic in the microwave", "D. I checked the toast to ensure it was ready in the toaster oven"], "answer": "B", "evidence": "The person opens a drawer under the counter, which is a dishwasher, and takes out a clean plate. (225-270s)", "timestamps": "90-135s (retrieving bowl) and 225-270s (taking clean plate)"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c2b68457-c9a4-42c5-98f8-7650f52e3497", "description": "0-45s: The video opens with a low-angle, close-up view of a person assembling a black industrial pipe frame underneath a wooden desk. The person, wearing a blue hoodie and black shorts, is kneeling on a blue carpet. They are connecting black pipes with silver flange fittings. A wooden slat shelf is already positioned at the very bottom of the structure. To the left, a cardboard box filled with tangled wires and small hardware parts is visible on the floor.\n\n45-90s: The person continues to work on the frame, reaching under the desk to adjust pipes. They retrieve a red power drill and begin securing components. The camera angle widens slightly, revealing more of the room, including a bed with white linens, a window with cream curtains, and a \"GUINNESS\" sign on the wall. An orange sticker reading \"#ChoosePT MoveForwardPT.com\" is visible on a black object (likely a PC case or storage box) situated under the desk.\n\n90-135s: The person uses the red drill to fasten the pipe structure, likely attaching it to the desk legs or the floor for stability. They move around the frame, checking connections. The structure is taking shape as a multi-tiered shelving unit beneath the main desk surface.\n\n135-180s: The person stands up and walks away from the desk, moving towards the background where a black office chair is located. They sit down on the chair, taking a brief pause. The camera pans across the floor, showing scattered tools, packaging, and loose wires, indicating an ongoing project.\n\n180-225s: The person gets up from the chair and picks up a stained wooden board. They carefully maneuver it into place, setting it onto the upper level of the pipe frame they just assembled. This creates a second shelf above the initial slat shelf.\n\n225-270s: The person uses the red power drill again to secure the newly placed wooden board to the pipe frame. They drill into the corners to ensure the shelf is stable. The red drill is then placed on the middle shelf of the structure.\n\n270-315s: The person returns to the black office chair and sits down. They pick up a pair of bright green sneakers from the floor and put them on, tying the laces while seated.\n\n315-360s: Now fully dressed with shoes on, the person sits facing the camera, talking and gesturing with their hands. They appear to be explaining the build or discussing the workspace. The background reveals a world map on the wall and framed artwork.\n\n360-389s: The video concludes with final shots of the completed desk setup. The camera focuses on the sturdy black pipe frame supporting the wooden shelves. The person remains seated in the chair, occasionally gesturing towards the desk. The red drill rests on the middle shelf, marking the end of the assembly phase.", "questions": [{"question": "After I had finished connecting the black pipes with silver flange fittings underneath the wooden desk, which of these actions did I perform first?", "options": ["A. I sat down on the black office chair.", "B. I retrieved the red power drill from under the desk.", "C. I picked up the stained wooden board from the floor.", "D. I placed the red drill on the middle shelf of the frame."], "answer": "B", "evidence": "The person connects pipes with flange fittings at the start, then retrieves a red power drill to secure components.", "timestamps": "0-45s and 45-90s"}, {"question": "After I had sat down on the office chair for the first time, what did I do when I sat down again later in the video after assembling the shelves?", "options": ["A. I put on my bright green sneakers.", "B. I picked up the stained wooden board.", "C. I used the red drill to secure the board.", "D. I placed the red drill on the middle shelf."], "answer": "A", "evidence": "The person sits on the chair early, then later returns to the chair and puts on bright green sneakers.", "timestamps": "135-180s and 270-315s"}, {"question": "After I had placed the stained wooden board onto the upper level of the pipe frame, which of these actions did I do last?", "options": ["A. I used the red drill to secure the board.", "B. I placed the red drill on the middle shelf.", "C. I put on my bright green sneakers.", "D. I sat down on the office chair."], "answer": "C", "evidence": "The board is placed first, then secured with the drill, the drill is set on the shelf, and finally the person puts on sneakers while seated.", "timestamps": "180-225s and 270-315s"}, {"question": "After I had finished connecting the black pipes with silver flange fittings underneath the wooden desk, which of these actions did I do last?", "options": ["A. I sat down on the black office chair.", "B. I picked up the stained wooden board from the floor.", "C. I placed the red drill on the middle shelf of the frame.", "D. I put on my bright green sneakers."], "answer": "D", "evidence": "The pipe connection is early, and the final action among the listed ones is putting on sneakers near the end of the video.", "timestamps": "0-45s and 270-315s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c40e5377-012c-49d9-952b-fa07dfbcb9f3", "description": "0-60s: The video begins with a view of a kitchen counter. The person opens the refrigerator, retrieves a white egg from the egg tray, and places it on the counter next to a yellow cloth. They then set up a white cutting board and a silver knife. An egg is cracked into a small white bowl. The person moves to the sink to wash their hands. Afterward, they return to the stove and turn on the burner under a blue pot.\n\n60-120s: The person picks up a bottle of cooking oil and pours some into the heating blue pot. They retrieve a container of salt from a spice rack, add some to the egg in the bowl, and whisk it vigorously with wooden chopsticks. The beaten egg mixture is poured into the hot pot. Using a black spatula, the person stirs and folds the egg as it cooks into an omelet. Once cooked, the omelet is slid out of the pot and onto the cutting board.\n\n120-180s: The empty blue pot is placed back on the stove. The person opens the refrigerator again, taking out a package of what appears to be ham or meat. They fetch a white electric kettle and pour hot water into the pot on the stove. Returning to the fridge, they take out a package of noodles. The noodle package is opened, and the dried noodles are added to the boiling water in the pot.\n\n180-240s: The person stirs the noodles in the pot with chopsticks. They briefly check a digital control panel on the wall, possibly a timer or thermostat. They reach up to a high shelf. Back at the counter, they open a green packet of seaweed (wakame), take some out, and chop it on the cutting board. The chopped seaweed is placed into a small metal bowl.\n\n240-300s: The person rinses the seaweed in the bowl using the tap. They wash the bowl and the knife in the sink. Next, they unwrap the package of ham/meat taken earlier and slice it into thin strips on the cutting board. The previously cooked omelet is then sliced into thin strips (julienne) next to the ham. The person washes their hands and the small bowl used for the egg.\n\n300-360s: The person stirs the noodles one last time. They hold the green seaweed packet and open the refrigerator, placing items inside. They take out a large plastic bottle of tea. They interact with the microwave. Finally, they open a white cabinet above the counter, take out a large clear glass plate, and wipe it with the yellow cloth.\n\n360-420s: The person carries the pot of cooked noodles to the sink and pours the contents into a metal colander to drain the water. They rinse the pot with tap water. Then, they run cold water over the noodles in the colander, tossing them with their hands to cool them down and remove excess starch. The video ends with the noodles being rinsed.", "questions": [{"question": "Earlier I chopped the wakame and rinsed it under the tap. Later, after I opened the refrigerator to put the green packet back inside, which of these actions did I perform first?", "options": ["A. I poured the beaten egg mixture into the blue pot on the stove", "B. I took the large plastic bottle of cold tea out of the refrigerator", "C. I sliced the cooked omelet into thin strips on the cutting board", "D. I stirred the noodles in the blue pot with the wooden chopsticks"], "answer": "B", "evidence": "They hold the green seaweed packet and open the refrigerator, placing items inside. They take out a large plastic bottle of tea.", "timestamps": "240-300s and 300-360s"}, {"question": "Earlier I sliced the cooked omelet and the ham into thin strips on the cutting board. While I was later rinsing the drained noodles in the colander under cold water, which pair of items was still sitting on the counter, not yet added to the noodles?", "options": ["A. the omelet that I had sliced into strips and the ham sliced into strips", "B. the chopped wakame sitting in the metal bowl and the beaten egg", "C. the dried noodles still in their package and the cooking oil", "D. the salt taken from the spice rack and the hot water from the kettle"], "answer": "A", "evidence": "The previously cooked omelet is then sliced into thin strips (julienne) next to the ham. The person carries the pot of cooked noodles to the sink and pours the contents into a metal colander to drain the water.", "timestamps": "240-300s and 360-420s"}, {"question": "Earlier I took the ham out of the refrigerator. After I later sliced it into thin strips on the cutting board, which of these actions did I perform next?", "options": ["A. I poured hot water from the kettle into the blue pot on the stove", "B. I added the dried noodles to the boiling water in the blue pot", "C. I chopped the green wakame on the wooden cutting board beside it", "D. I sliced the cooked omelet into thin strips on the cutting board"], "answer": "D", "evidence": "unwrap the package of ham/meat taken earlier and slice it into thin strips on the cutting board. The previously cooked omelet is then sliced into thin strips (julienne) next to the ham.", "timestamps": "120-180s and 240-300s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c653d532-121c-4653-b2ba-4583241fffb4", "description": "0-35s: The video opens with a first-person view of a person's hands working on the yellow deck of a Walker brand lawnmower. The mower is elevated on a red hydraulic lift in a workshop. Using a silver wrench, the person loosens and removes bolts from a black rubber mat located on top of the mower deck. Visible text includes \"WALKER\" on an oval green sticker and a partially obscured red and white warning label that says \"CUTTING...\".\n\n35-90s: After removing the initial bolts, the person lifts off a large, curved yellow metal cover from the front of the mower deck, revealing the internal drive shafts and pulleys underneath. They then proceed to use the wrench to loosen more bolts on the newly exposed components. A sticker reading \"20 HP\" is visible on the side of the mower's engine housing, along with another sticker that says \"MADE IN U.S.A.\". Another prominent red and white sticker on the deck reads \"DANGER NO STEP\".\n\n90-140s: The person continues to work on the mower deck, using the wrench on various bolts around the central drive mechanism. They move around the front of the mower, adjusting their position to access different fasteners. The camera angle shifts frequently as they lean over the equipment.\n\n140-185s: The person walks away from the mower towards a black tool chest. They open a drawer filled with an organized set of sockets and wrenches. They select a red cordless impact driver and attach a socket to it. Returning to the mower, they use the impact driver to quickly remove several bolts holding the blades in place inside the underside of the mower deck. One by one, they remove two long, dark metal mower blades.\n\n185-230s: With the blades removed, the person places the impact driver on the red lift platform. They walk back to the tool chest, close the drawer, and retrieve a small socket. They reattach the socket to the impact driver and return to the mower to remove the final blade bolt. After all blades are out, they place the tools down and begin cleaning their hands with a black cloth.\n\n230-275s: The person walks over to a cluttered workbench area. On the bench, there is a STIHL-branded box, a bottle of oil, and other miscellaneous items. They pick up a pair of bright orange disposable gloves from a box. Returning to the mower, they put on the right glove, then the left, preparing for the next step of the maintenance.\n\n275-320s: Now wearing orange gloves, the person picks up two rectangular wooden blocks from the floor. They carefully place these blocks onto the mower deck, positioning them on either side of the central drive shaft assembly. This action appears to be setting up a stand or support for the deck. They then take a pink marker and make a small mark on the central part of the drive shaft.\n\n320-360s: The person steps back to get a wider view of the setup. The mower is now propped up by the red jack stand under the deck and stabilized by the wooden blocks placed by the operator. They inspect their work before walking back to the tool chest. They open the same drawer again and select a green cordless drill/driver.\n\n360-480s: Holding the green drill, the person returns to the mower deck. They appear to be preparing to perform another task, possibly related to the markings made earlier or further disassembly. The video concludes with the person standing in front of the partially disassembled mower, holding the drill, ready to continue the repair process.", "questions": [{"question": "After I finished removing the mower blades, I set the red impact driver down nearby. When I later walked back to the tool chest for the green drill, where was that driver still sitting?", "options": ["A. In the open black tool chest drawer among the organized sockets", "B. On the red hydraulic lift platform beside the mower deck", "C. On the cluttered workbench next to the STIHL-branded box", "D. On the mower deck between the two rectangular wooden blocks"], "answer": "B", "evidence": "With the blades removed, the person places the impact driver on the red lift platform.", "timestamps": "185-230s and 320-360s"}, {"question": "After I lifted the curved yellow metal cover off the front of the mower deck, which of these actions did I do only after every blade had been removed from underneath?", "options": ["A. I placed two wooden blocks on either side of the drive shaft", "B. I removed the bolts holding the black rubber mat in place on top", "C. I loosened bolts on the newly exposed pulleys underneath", "D. I pulled out the two long dark metal mower blades from the deck"], "answer": "A", "evidence": "After all blades are out, the person picks up two rectangular wooden blocks and places them onto the mower deck.", "timestamps": "35-90s and 275-320s"}, {"question": "Before I walked over to the cluttered workbench and picked up the bright orange disposable gloves, what was the last thing I had finished doing at the mower deck?", "options": ["A. I was marking the central part of the drive shaft with a pink marker", "B. I was placing two wooden blocks on the deck around the shaft", "C. I was cleaning my hands with a black cloth after the last blade bolt", "D. I was lifting the curved yellow metal cover off the front of the deck"], "answer": "C", "evidence": "After all blades are out, they place the tools down and begin cleaning their hands with a black cloth.", "timestamps": "185-230s and 230-275s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c52b7690-99ed-47b5-8269-3bc76a272d5a", "description": "0-45s: The video opens with a first-person view of a red Toro lawnmower on a lift in a workshop. The black plastic air filter housing is open, exposing the empty compartment where the filter should be. A person's legs are visible as they sit before the mower. An orange-handled screwdriver rests on the engine deck.\n\n45-120s: The person picks up the screwdriver and begins to loosen screws on the side of the engine, near the carburetor area. After loosening them, they set the screwdriver down and use their hands to disconnect a small wire or hose from the carburetor assembly. They then move away from the mower towards a large black tool chest.\n\n120-180s: The person opens a drawer in the tool chest, which is filled with various hand tools like wrenches and sockets. They select a green and black cordless impact driver, close the drawer, and return to the lawnmower. They use the impact driver to quickly remove a bolt holding the carburetor in place.\n\n180-270s: With the main bolt removed, the person uses the orange-handled screwdriver again to pry and manipulate the carburetor, fully detaching it from the engine block. They carefully pull the entire carburetor assembly away, revealing the intake port on the engine. The old, dirty carburetor is now completely removed.\n\n270-330s: The person inspects the removed carburetor. They then take a new, clean fuel filter (a small cylindrical component) and compare it to the old one that was part of the assembly. They proceed to disassemble the old carburetor, removing the float bowl at the bottom to access the internal components for cleaning or replacement.\n\n330-390s: The person takes the old fuel filter out of the carburetor. They then retrieve a new fuel filter from its blue and white packaging. Using a teal-colored cloth, they wipe down the mating surface on the engine where the carburetor mounts, ensuring it is clean before reinstallation.\n\n390-480s: The person installs the new fuel filter onto the cleaned carburetor body. They then carefully position the reassembled carburetor back onto the engine's intake port. They begin to reconnect the various linkages, springs, and hoses by hand, securing the carburetor in place in preparation for tightening the bolts.", "questions": [{"question": "After I set the orange-handled screwdriver down on the engine deck following the side screws, when did I pick it up again?", "options": ["A. right after I opened the drawer in the black tool chest", "B. right after the impact driver removed the carburetor's main bolt", "C. right after I pulled the old carburetor away from the engine", "D. right after I wiped the engine's mating surface with the teal cloth"], "answer": "B", "evidence": "uses the orange-handled screwdriver again to pry and manipulate the carburetor, fully detaching it from the engine block", "timestamps": "120-180s and 180-270s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c65ff74b-7d42-4859-bf5e-38a058960e51", "description": "0-45s: The video begins with a view of a wooden cabinet filled with dishes. The camera then pans down to show the person's feet and lower body as they stand in the kitchen. They move towards the stove, where a frying pan is already placed on one of the burners. Next to the stove, there is a tray with two uncooked patties. The person reaches for a bottle of oil and pours some into the frying pan.\n\n45-120s: After adding oil to the pan, the person uses a spatula to pick up one of the patties from the tray and places it into the hot oil in the frying pan. They repeat this action with the second patty. Both patties are now sizzling in the pan. The person adjusts the heat on the stove and continues to monitor the cooking process.\n\n120-180s: While the patties cook, the person moves away from the stove and walks towards a sliding glass door. They open the door and step outside onto a patio area. In the garden, they approach a raised bed filled with various plants. The person carefully selects and picks several green leaves from the plants, holding them in their hand.\n\n180-240s: With the freshly picked greens, the person returns inside through the same sliding glass door. They walk directly to the kitchen sink and turn on the faucet. Holding the greens under the running water, they thoroughly rinse each leaf to remove any dirt or debris. Once cleaned, the person shakes off excess water from the greens.\n\n240-300s: After rinsing, the person places the wet greens onto a white cutting board positioned next to the sink. They then reach for a knife and begin chopping the greens into smaller pieces. The chopped greens accumulate on the cutting board as the person works methodically.\n\n300-360s: Once the greens are fully chopped, the person transfers them into a small bowl. They then return to the stove, where the patties have been cooking. Using the spatula, they flip both patties over to ensure even cooking on both sides. The patties appear golden brown on the side that was initially facing down.\n\n360-420s: After flipping the patties, the person covers the frying pan with a lid to allow the patties to finish cooking. They then move back to the sink area and start cleaning up. First, they wash the cutting board and knife used for chopping the greens. Next, they clean the spatula and place it aside.\n\n420-480s: Finally, the person dries their hands with a towel hanging near the sink. They take a moment to look around the kitchen, ensuring everything is tidy. The video concludes with the person standing by the counter, having completed the preparation of the meal.", "questions": [{"question": "While I was outside the garden picking green leaves, what was happening to the patties back in the kitchen?", "options": ["A. The two raw patties were still sitting on the tray near the stove", "B. The patties were cooking in the sizzling oil in the frying pan", "C. The patties had just been flipped and were golden on both sides", "D. The patties were under the lid to finish cooking on the stove"], "answer": "B", "evidence": "Both patties are now sizzling in the pan after being placed into the hot oil.", "timestamps": "45-120s and 120-180s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c7d6bc06-d625-437d-b740-1c315a366211", "description": "0-45s: The video begins with a view of a compact kitchen. Two slices of meat (likely ham or spam) are already cooking on a black rectangular griddle pan placed on a gas stove. To the right, a white pot with a floral pattern sits on the counter. The person uses a red cloth to wipe down the stainless steel countertop next to the sink, cleaning the area before proceeding.\n\n45-90s: The person opens a white drawer beneath the counter and retrieves a yellow plastic bowl. They crack a raw egg into the bowl and begin whisking it vigorously with wooden chopsticks.\n\n90-150s: Reaching up to a shelf, the person grabs a glass jar with a red lid and a strawberry pattern. They open it and add a white powder (likely salt or sugar) to the egg mixture, then whisk it again. They also handle a jar with a yellow lid nearby.\n\n150-210s: The person prepares a dipping sauce in a small white bowl with a blue rim, pouring liquid from a bottle. They return to the stove and use chopsticks to flip the meat slices on the griddle, ensuring they cook evenly on both sides.\n\n210-270s: A white plate with a blue floral pattern is taken from a wooden shelf. The cooked meat is transferred from the griddle to this plate. The person then pours the beaten egg mixture into the hot griddle pan and scrambles it with chopsticks.\n\n270-330s: The scrambled egg is moved from the pan to the plate alongside the meat. The person opens a small, retro-style toaster oven (green/cream color) located on a lower shelf; the heating elements inside are glowing orange. They remove a slice of toast and place it on the plate. Next, they take a sheet of dried seaweed (nori) and cut it into strips with scissors over a small bowl.\n\n330-390s: The person mixes the sauce in the white bowl with chopsticks. They then take the now-empty griddle pan to the sink and wash it under running water.\n\n390-480s: The person is seen eating the meal. They use chopsticks to pick up pieces of toast and egg, dipping them into the sauce in the white bowl. They continue to mix the sauce and eat the food until the video ends.", "questions": [{"question": "Before I added the white powder from the strawberry jar to the egg, which action did I first perform in the preparation?", "options": ["A. I cracked a raw egg into the yellow plastic bowl", "B. I poured liquid from a bottle into a small white bowl", "C. I flipped the meat slices cooking on the griddle pan", "D. I transferred the cooked meat onto the floral plate"], "answer": "A", "evidence": "45-90s: crack egg into yellow bowl; 90-150s: add white powder from strawberry jar", "timestamps": "45-90s and 90-150s"}, {"question": "I used a red cloth to wipe the stainless steel countertop next to the sink at the very beginning of the video. What was the purpose of that early cleaning action?", "options": ["A. To prepare a clean space for the yellow bowl I would use for whisking eggs.", "B. To prepare a clean space for the white plate I would use for serving the meat.", "C. To prepare a clean space for the sauce bowl I would use for dipping my food.", "D. To prepare a clean space for the nori strips I would cut with a pair of scissors."], "answer": "A", "evidence": "The person uses a red cloth to wipe down the stainless steel countertop next to the sink, cleaning the area before proceeding. Later, the person opens a white drawer and retrieves a yellow plastic bowl, which is placed on the counter for cracking and whisking the egg.", "timestamps": "0-45s and 45-90s"}, {"question": "After I had scrambled the eggs and moved them to the plate, I was left with the griddle pan. What did I do with that pan immediately afterward?", "options": ["A. I washed it under running water in the sink.", "B. I used it to cook the meat slices for the meal.", "C. I used it to scramble the eggs for the meal.", "D. I used it to flip the meat slices on the stove."], "answer": "A", "evidence": "The scrambled egg is moved from the pan to the plate alongside the meat. Then the person takes the now-empty griddle pan to the sink and washes it under running water.", "timestamps": "270-330s and 330-390s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c6985fe9-8ed5-4f39-9003-2607754415d8", "description": "0-100s: The video begins with a first-person view of someone standing at a large black tool chest with the top drawer open. The drawer is cluttered with various hand tools, including pliers, wrenches, and Allen keys. The person sorts through the items, picking up a set of orange-handled screwdrivers and placing them temporarily on top of the drawer contents. They then handle a small plastic bag containing small parts and a set of black hex keys. The person appears to be tidying or searching for specific tools, moving items around to create space.\n\n100-160s: The person focuses on organizing a specific set of tools. They pick up a bundle of red-handled T-handle Allen keys (branded \"Snap-on\") and begin arranging them neatly in the left section of the drawer. After placing the Allen keys, they pick up a plastic case containing green-handled screwdrivers and slide it into the drawer next to the Allen keys. The drawer is becoming more orderly as similar tools are grouped together.\n\n160-220s: With the top drawer partially organized, the person closes it and picks up a white sheet of paper from the top surface of the tool chest. The paper has the logo \"STIHL\" printed at the top. They hold the paper with both hands and read it carefully, likely checking a work order or parts list. After reviewing the document, they turn and walk away from the tool chest towards the open garage door.\n\n220-280s: Near the garage entrance, a yellow plate compactor is sitting on the floor. The person grabs the handle of the compactor and pushes it out of the garage onto the paved area outside. They maneuver the machine past several yellow riding lawn mowers parked nearby, positioning it further out on the pavement.\n\n280-340s: The person leaves the compactor outside and walks back into the garage. They pass a red vehicle lift and stop at a shelf mounted near the lift post. They pick up a spray can and a rag from the shelf. Returning to the main tool chest area, they open a drawer and retrieve an orange and black cordless drill. They hold the drill, appearing to inspect the battery or chuck, before placing it back or setting it aside. They then open another drawer containing a row of screwdrivers.\n\n340-400s: The person walks over to a red workbench situated against the wall. On the bench, amidst various tools and parts, lies a string trimmer (weed whacker). They pick up the trimmer and examine the shaft and cutting head, possibly checking for damage or preparing it for maintenance.\n\n400-480s: After inspecting the trimmer, the person walks back towards the center of the workshop. They approach the red vehicle lift again and pick up an orange plastic gas can resting on the lift's platform. Holding the gas can, they turn and walk towards the garage exit, passing the plate compactor they moved earlier, and the video ends as they head outside.", "questions": [{"question": "After I closed the top drawer of the tool chest, which item did I handle next, and what action did I take with it before walking away?", "options": ["A. I picked up a white sheet of paper and read it carefully.", "B. I grabbed the handle of the compactor and pushed it outside.", "C. I retrieved a spray can and a rag from a nearby shelf.", "D. I opened another drawer to inspect a row of screwdrivers."], "answer": "A", "evidence": "With the top drawer partially organized, the person closes it and picks up a white sheet of paper from the top surface of the tool chest. They hold the paper with both hands and read it carefully, likely checking a work order or parts list. After reviewing the document, they turn and walk away from the tool chest towards the open garage door.", "timestamps": "160-220s"}, {"question": "After moving the plate compactor outside, which tool did I pick up from the shelf near the lift, and then which tool did I retrieve from a drawer?", "options": ["A. I picked up a spray can and a rag, then retrieved a cordless drill.", "B. I picked up a white sheet of paper, then retrieved a string trimmer.", "C. I picked up an orange gas can, then retrieved a set of screwdrivers.", "D. I picked up a plastic case, then retrieved a set of Allen keys."], "answer": "A", "evidence": "The person leaves the compactor outside and walks back into the garage. They pass a red vehicle lift and stop at a shelf mounted near the lift post. They pick up a spray can and a rag from the shelf. Returning to the main tool chest area, they open a drawer and retrieve an orange and black cordless drill.", "timestamps": "280-340s"}, {"question": "After I pushed the yellow plate compactor out of the garage and left it on the pavement, which of these actions did I perform last before the end of the video?", "options": ["A. Retrieved the orange and black cordless drill from a drawer", "B. Inspected the shaft and cutting head of the string trimmer", "C. Picked up the orange plastic gas can from the red lift platform", "D. Read the white paper with the STIHL logo printed at the top"], "answer": "C", "evidence": "The person grabs the handle of the compactor and pushes it out of the garage onto the paved area outside. Later, near the end, they pick up an orange plastic gas can resting on the lift's platform and head outside, passing the compactor.", "timestamps": "220-280s and 400-480s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c889264d-2bbf-4837-a543-e1ccb11bb66d", "description": "0-38s: The video begins with a person in a kitchen, using wooden chopsticks to adjust aluminum foil covering food inside a black frying pan on an induction cooktop. A small pot of water is boiling on the adjacent burner. The person then retrieves a large, dark grey lid from a drawer and places it over the foil-covered pan. They briefly check a rice cooker before returning to the counter. Visible text includes \"16\" on a red box of plastic wrap.\n\n39-75s: The person opens a lower cabinet drawer filled with various bottles of sauces and oils. They then move to the refrigerator, opening the bottom freezer compartment. After closing it, they walk to the sink area and pick up a smartphone from the counter. They place the phone on the cutting board, which now displays a timer application. Next, they retrieve two white eggs from off-screen and use a black egg slicer to cut one into a metal ladle. Finally, they pour the contents of the ladle into the pot of boiling water.\n\n76-114s: The person moves the pot containing the boiling eggs to a different burner. They open the main refrigerator door and take out a package of bacon labeled \"\u30cf\u30fc\u30d5\u30d9\u30fc\u30b3\u30f3\" (Half Bacon) and a yellow box of butter. On the white cutting board, they unwrap the bacon and begin slicing it into smaller pieces with a silver knife. After chopping, they open the butter box, remove a pat of butter, and discard the wrapper.\n\n115-152s: Using the wooden chopsticks, the person places the pat of butter into a clean, empty black pot on the stove. Once the butter melts, they add the chopped bacon pieces and stir them as they begin to cook. While the bacon sizzles, they turn their attention to the sink, taking a green bell pepper out of a clear plastic bag. They wash the pepper under running water.\n\n153-190s: After washing, the person tears the green bell pepper into bite-sized pieces by hand and adds them directly to the pot with the cooking bacon, stirring to combine. They then return to the sink to prepare shredded cabbage, placing it in a metal colander. They rinse the cabbage thoroughly under the tap.\n\n191-239s: The person dries the rinsed cabbage using a sheet of paper towel. They then check the pot of boiling eggs, draining the hot water into the sink. Returning to the main dish, they open a can of corn and pour its contents into the pot with the bacon and peppers, followed by pouring liquid from a carton of soup base. They continue to stir all the ingredients together with the chopsticks.", "questions": [{"question": "After I placed the dark grey lid over the foil-covered pan, what did I do before I picked up the smartphone from the counter?", "options": ["A. I opened the lower cabinet drawer filled with sauce and oil bottles.", "B. I took two white eggs and sliced one with the black egg slicer.", "C. I moved the pot of boiling eggs to a different burner.", "D. I opened the refrigerator and took out the half bacon package."], "answer": "A", "evidence": "At 0-38s I placed the lid. Then at 39-75s I opened the lower cabinet drawer, then later picked up the smartphone from the counter.", "timestamps": "10-20s and 40-60s"}, {"question": "Before I added the can of corn to the pot, what had I done with the green bell pepper that I took from the plastic bag?", "options": ["A. I washed it under running water and tore it into pieces by hand.", "B. I sliced it with the silver knife on the white cutting board.", "C. I placed it in the metal colander and rinsed it thoroughly.", "D. I placed the whole pepper into the pot with the bacon unchopped."], "answer": "A", "evidence": "At 115-152s I washed the pepper, and at 153-190s I tore it into pieces and added to the pot. The corn was added later at 191-239s.", "timestamps": "140-160s and 200-220s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c5165ce8-e1d8-4f1f-93ff-1a6075cb0280", "description": "0-45s: The video opens with a static shot of a kitchen sink area. A small black frying pan sits in the stainless steel sink, which is filled with soapy water and suds. To the right, a white dish rack holds clean dishes, including a white bowl and a metal colander. A pink sponge rests on a caddy attached to the faucet. The scene remains unchanged for an extended period, suggesting a pause in activity after washing up.\n\n45-120s: The camera pans slightly left, then back right, showing more of the cluttered countertop next to the sink, which holds numerous bottles of sauces and oils, a paper towel roll, and other items. The focus returns to the sink where the dirty pan remains soaking. There is no active cleaning or cooking during this time; it's a period of stillness in the kitchen environment.\n\n120-180s: The camera view shifts, panning across the kitchen. It shows a gas stovetop to the right of the sink, then moves towards a tall, white refrigerator. The camera briefly looks down a hallway before returning to the main kitchen counter. This movement suggests the person is surveying the space or preparing for the next step, but no specific action like opening a cabinet or fridge occurs yet.\n\n180-240s: The camera focuses again on the sink area. A hand enters the frame and begins handling a clear plastic bag containing what appears to be chopped vegetables (white and orange pieces). The person manipulates the bag over the sink. Afterward, they turn on the chrome faucet, rinse their hands under the running water, and then turn the faucet off. The dirty pan is still in the sink.\n\n240-300s: The person turns away from the sink and walks towards the white refrigerator. They open the door, revealing a well-stocked interior with various containers, bottles, and food items illuminated by a blue light. Their hand reaches inside and retrieves a small item. They close the fridge door and return to the counter area.\n\n300-365s: Back at the counter, the person places the retrieved item down. The final sequence shows the completed meal presentation. On the counter sits a plate with a cooked yellow omelet and green broccoli florets. Next to it is a glass bowl containing the salad made from the previously seen chopped vegetables. The person uses chopsticks to adjust the food on the plate. The video ends with this view of the prepared meal, with the messy sink and drying dishes still visible in the background, indicating that cleanup will follow.", "questions": [{"question": "After I handled the plastic bag of chopped vegetables and rinsed my hands, where was the black frying pan from the opening scene?", "options": ["A. It was resting on the white dish rack next to the bowl and metal colander.", "B. It was sitting on the gas stovetop located to the right of the sink.", "C. It was still lying in the sink, soaking in soapy water and suds.", "D. It was left on the cluttered countertop beside the bottles and paper towels."], "answer": "C", "evidence": "The dirty pan is still in the sink.", "timestamps": "0-45s and 180-240s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "ca5c56bf-e776-4e16-b8c0-f0ba6ff0df87", "description": "0-45s: The video begins with a static, first-person view from inside a dimly room, looking out through a white-framed window into a bright backyard. On the windowsill to the right are several objects: a clear bottle with green liquid and dark reeds (a diffuser), a blue spray bottle, and a small white object. A person's hand enters the frame from the bottom and interacts with the items on the sill before moving away.\n\n45-135s: The camera pans up and to the right, revealing more of the kitchen, including off-white upper cabinets and a black countertop. It then moves erratically, showing a stainless steel sink where a long, glowing blue tube-like object is briefly held over it. The camera continues to move unsteadily, capturing blurry views of the kitchen and living area before settling on a wide shot of the living room. This space features hardwood floors, a brown leather sofa with pillows and a blanket, and an entryway with shoes lined up against the wall.\n\n135-225s: The perspective shifts to a downward-facing view of a large, dark leather ottoman in the center of the living room. On the ottoman are a grey backpack, a black helmet, and a remote control. A man wearing a grey fleece jacket, red shirt, and jeans walks into the frame from the right, stands near the ottoman, and appears to be talking while gesturing. He then walks towards the back of the room.\n\n225-315s: The camera holder walks towards a sliding glass door and exits onto a wooden porch. On the porch floor sits a blue cardboard beer case with text reading \"Imperial TORPEDO IPA\" and a six-pack of cans with orange tops. After a brief moment outside, the camera turns back inside, passing the man who is now standing by the doorway. The camera holder then walks back through the living room and into the kitchen.\n\n315-405s: Back in the living room, the camera focuses again on the ottoman, where the backpack has been unzipped. The camera holder picks up a blue water bottle from the floor. The scene cuts to a reflection in a large mirror on the wall, showing the camera holder adjusting something on their head. The man is visible in the background, walking around the kitchen. The camera holder then raises the blue water bottle, which has \"NITROUS\" written on it in white letters, towards the camera lens.\n\n405-480s: The final segment shows continued movement throughout the apartment. The man walks from the kitchen area down a short flight of stairs. The camera follows his movements and also captures other parts of the house, including a doorway with a pull-up bar mounted above it. The video concludes with the man sitting on a chair at the bottom of the stairs as the camera pans across the living room one last time.", "questions": [{"question": "Before I stepped out to the porch, what objects were resting on the ottoman, and what change did I notice in that same spot when I returned?", "options": ["A. A blue water bottle and a remote, and then the bottle was taken away", "B. A grey backpack and a black helmet, and then the backpack was unzipped", "C. A leather sofa and a blanket, and then the sofa was shifted to the side", "D. A six-pack of beer and a case, and then the case was left entirely empty"], "answer": "B", "evidence": "On the ottoman are a grey backpack, a black helmet, and a remote control. Later, the backpack has been unzipped.", "timestamps": "135-225s and 315-405s"}, {"question": "After I left the kitchen where I had held the glowing tube over the sink, I eventually followed the man. What did I follow him past before he sat down?", "options": ["A. The sliding glass door that led directly out onto the wooden porch", "B. The white-framed window with the green diffuser sitting on its sill", "C. A doorway that had a pull-up bar mounted above its wooden frame", "D. The large brown leather sofa that had pillows and a soft blanket"], "answer": "C", "evidence": "The camera follows his movements and also captures other parts of the house, including a doorway with a pull-up bar mounted above it.", "timestamps": "45-135s and 405-480s"}, {"question": "Early in the video, I saw a man in a grey fleece jacket and red shirt talking animatedly near the ottoman. When I last saw him at the end, what was he doing?", "options": ["A. He was standing by the doorway as I came back inside", "B. He was walking toward the back of the living room", "C. He was sitting on a chair at the bottom of the short stairs", "D. He was gesturing with his hands while talking near the ottoman"], "answer": "C", "evidence": "The video concludes with the man sitting on a chair at the bottom of the stairs as the camera pans across the living room one last time.", "timestamps": "135-225s and 405-480s"}, {"question": "When I first saw the man, where was he, and where was he when I caught his reflection in the mirror?", "options": ["A. Standing near the ottoman in the living room, and walking around the kitchen area", "B. Waiting by the entrance doorway, and then descending the short stairs", "C. Pacing at the back of the living room, and seated on the chair downstairs", "D. Located in the kitchen itself, and standing by the entryway door"], "answer": "A", "evidence": "First: 'A man wearing a grey fleece jacket, red shirt, and jeans walks into the frame from the right, stands near the ottoman, and appears to be talking while gesturing.' Later: 'The scene cuts to a reflection in a large mirror on the wall... The man is visible in the background, walking around the kitchen.'", "timestamps": "135-225s and 315-405s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c7accb5b-fc3c-415b-986e-59643d94cdc6", "description": "0-45s: The video begins with a view of a kitchen sink area. A person is holding a small, silver-colored saucepan in their right hand. In the stainless steel sink, there are several green okra pods and a plastic bag containing what appears to be fish or meat. To the right of the sink, on a yellow cloth, are various items including scissors, a spoon, and a package of asparagus. The person places the empty saucepan on the counter next to the sink. They then turn on the faucet and begin washing the okra under running water, placing the washed pods into the saucepan.\n\n45-90s: After washing all the okra, the person carries the saucepan filled with the vegetables over to the gas stove on the right side of the frame. They place the saucepan on one of the front burners and turn the knob to ignite the flame, beginning the process of boiling the okra. The camera then pans back towards the center of the kitchen.\n\n90-135s: The person picks up a clear plastic bag containing long green beans (asparagus) from the yellow cloth. They open the microwave oven located to the right of the refrigerator, take out a white plate, and close the microwave door. Returning to the sink, they remove the asparagus from its packaging and wash it thoroughly under the tap. Once cleaned, they place the asparagus onto a white cutting board positioned to the right of the sink.\n\n135-180s: The person opens an overhead cabinet above the sink and retrieves a glass bowl, which they place on the counter. They then move to the stove, where a black frying pan is already sitting on another burner. They open a drawer below the stove, which contains cooking utensils and spices, and appear to select something before closing it. Next, they reach up to a shelf above the microwave and grab a box of aluminum foil.\n\n180-225s: The person tears off a sheet of aluminum foil from the box and lays it flat inside the black frying pan on the stove. They then retrieve a block of frozen rice from the freezer drawer of the refrigerator. After unwrapping it, they place the block of rice onto the aluminum foil in the pan. They proceed to wrap the rice tightly with the foil.\n\n225-270s: With the rice wrapped and placed on the stove, the person returns to the cutting board. They pick up a knife from the counter and begin chopping the ends off the asparagus spears. They gather the trimmed asparagus and transfer them into the glass bowl they had set out earlier.\n\n270-315s: The person takes the block of frozen daikon radish that was previously seen on the counter and rinses it under the tap at the sink. They then use the same knife to peel the outer skin of the daikon radish directly over the sink. After peeling, they place the radish on the cutting board.\n\n315-360s: The person opens the overhead cabinet again and takes out a white ceramic mortar and pestle. They place the mortar on the counter and begin grinding a substance inside it with the pestle. The contents appear to be a light-colored paste or powder. Meanwhile, on the stove, the pot of okra continues to boil.\n\n360-480s: The person checks on the boiling okra by lifting the lid of the saucepan. They then return to grinding the contents of the mortar. The video concludes with the person continuing this action, with the prepared ingredients\u2014the chopped asparagus in the bowl, the foil-wrapped rice heating on the stove, and the boiled okra\u2014visible around the workspace.", "questions": [{"question": "After I had set the okra boiling on the stove, what state was the asparagus in when I later peeled the daikon radish over the sink?", "options": ["A. already trimmed into spears and sitting in the glass bowl on the counter", "B. still whole and waiting on the white cutting board beside the sink", "C. wrapped in aluminum foil and heating on the stove while the okra boiled", "D. soaking in the sink with the green okra pods and the bag of fish"], "answer": "A", "evidence": "225-270s: chop the ends off the asparagus spears, then gather the trimmed asparagus and transfer them into the glass bowl. 270-315s: peel the outer skin of the daikon radish.", "timestamps": "45-90s and 225-315s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c6b652df-fca8-4671-a350-b3839f80b15e", "description": "0-120s: The video opens with a view of a modern living room, featuring a light-colored sofa adorned with red and beige cushions. A coffee table in front of the sofa holds various items, including a box of cereal, a green container, a blue can, and a stack of wooden blocks. The camera pans around the room, capturing the large windows that let in natural light and offer a view of greenery outside. The scene is well-lit, with a clean and organized appearance.\n\n120-240s: The focus shifts to a different area of the room, where a person wearing a gray hoodie and black pants is seen holding a white dustpan. They are actively sweeping the floor, which has some scattered debris. The background includes a colorful pi\u00f1ata and other party decorations, suggesting a recent celebration or event. The person moves methodically, ensuring the floor is cleaned thoroughly.\n\n240-360s: The scene transitions back to the living room area. The person who was previously cleaning is now standing near a counter, still holding the dustpan. The camera captures their movements as they continue to clean up any remaining debris. The room remains well-lit, with natural light streaming in through the large windows. The overall atmosphere suggests a transition from a festive event to a more routine activity of tidying up.\n\n360-480s: The final segment shows the person sitting on the couch, using a smartphone. The living room is once again the focal point, with the same light-colored sofa, red and beige cushions, and the coffee table with its assortment of items. The person appears relaxed, possibly taking a break after completing the cleaning tasks. The room maintains its clean and organized appearance, with the natural light continuing to illuminate the space. The video concludes with a sense of calm and order restored to the living environment.", "questions": [{"question": "What color was the dustpan I used while sweeping, and what did I do while sitting on the couch?", "options": ["A. white dustpan and continued cleaning", "B. white dustpan and used a smartphone", "C. gray dustpan and used a smartphone", "D. gray dustpan and continued cleaning"], "answer": "B", "evidence": "Holding a white dustpan while sweeping; later sitting on the couch using a smartphone.", "timestamps": "120-240s and 360-480s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "ce721623-394f-4b5d-a565-d7eacbd92ca6", "description": "0-35s: The video opens with a static, first-person view of a white wall. In the upper right, a white rectangular controller labeled \"VAV-3-D1\" is mounted. To the left, a square white control panel is visible. In the foreground, the top of a black wire music stand is centered. Around 12s, the camera pans left, revealing a black circular drum pad with two wooden drumsticks resting on it. The square control panel displays red digital numbers reading \"15:00\". The camera then pans back to the right, returning to the initial view of the music stand and wall controllers.\n\n35-90s: The camera tilts downward, bringing the electronic keyboard into view. The silver control panel of the keyboard is visible, with the brand name \"CASIO\" and model \"LK-475\" printed on the left. The camera remains focused on this area, occasionally shifting slightly. The black music stand remains prominent in the upper center of the frame.\n\n90-150s: The camera angle adjusts, providing a clearer view of the keyboard's LCD screen. The screen displays musical notation and the text \"Twinkle\", indicating a song selection. To the left of the screen, a list titled \"15 SONG BANK\" is visible. The camera holds this position, capturing the interface of the instrument.\n\n150-220s: The camera begins to move more erratically, panning up towards the \"VAV-3-D1\" controller and then back down to the keyboard. There are several blurry frames indicating rapid movement or adjustment of the camera position. The view oscillates between the wall-mounted devices and the top of the music stand.\n\n220-284s: The camera pans left and right across the setup. Towards the very end (around 270s), the camera pulls back to a wider angle. This final shot reveals the entire setup: the black drum pad with wooden sticks on the left and the full Casio keyboard on the right, both positioned against the white wall. The video ends on this wide view of the musical equipment.", "questions": [{"question": "After I panned left to reveal the drum pad, what did I do next with the camera?", "options": ["A. I panned back to the right to return to the initial view of the music stand and wall controllers", "B. I tilted downward to bring the electronic keyboard into view", "C. I adjusted the angle to provide a clearer view of the keyboard's LCD screen", "D. I moved erratically, panning up to the wall controller and then back down to the keyboard"], "answer": "A", "evidence": "After revealing the drum pad, the camera pans back to the right, returning to the initial view (0-35s).", "timestamps": "0-35s and 35-90s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "cd7ccaeb-9d60-4aab-ab83-ea223004bad9", "description": "0-45s: The video opens with a first-person view of a kitchen sink area. The sink is white and contains some orange carrot peels. To the right, on a white cutting board, sits a larger piece of carrot next to a chef's knife. A person's hands enter the frame, gather the loose peels from the sink, and place them into a small, clear plastic bag held in their left hand. After collecting all the peels, they tie the bag and hang it over the faucet handle before drying their hands on a brown towel hanging to the left.\n\n45-120s: The person moves to the cutting board and begins slicing the carrot. They first cut it into thick rounds, then stack the rounds and slice them into thin matchsticks (julienne). Once the carrot is fully chopped, they set the knife down. Next, they take a bundle of what appears to be pre-cooked, flat noodles or tofu skin from a metal colander, place it on the cutting board, and chop it into shorter, bite-sized pieces. These are then returned to the colander.\n\n120-180s: After finishing the chopping, the person takes the used knife to the sink and rinses it under running water. They then walk towards a refrigerator, open the door, and retrieve a vacuum-sealed package containing raw red meat. Returning to the counter, they open a dishwasher drawer located beneath the counter, take out a clean white plate, and close the drawer. They unwrap the meat and place it onto the plate.\n\n180-240s: The person places the plate of meat on the cutting board and uses the now-clean knife to slice the meat into smaller, stir-fry sized strips. After all the meat is sliced, they move the plate aside. They then wash their hands at the sink using a sponge and soap, rinse them thoroughly, and dry them again with the brown towel.\n\n240-300s: With prep work complete, the cooking phase begins. The person opens a low cabinet/drawer to get a bottle of cooking oil. They pour a generous amount of oil into a black frying pan that is already on the lit gas stovetop. They then pick up a pair of wooden chopsticks and begin transferring the sliced meat from the plate into the hot pan.\n\n300-360s: Using the chopsticks, the person stirs the meat in the pan as it begins to cook and change color from red to brown. Once the meat is partially cooked, they use their hand and the chopsticks to add the julienned carrots to the pan, mixing them in with the meat. They continue to stir-fry the mixture.\n\n360-480s: The person reaches for a glass jar containing a white powder (likely sugar or salt) and adds a spoonful to the pan, stirring to incorporate it. Finally, they add the chopped tofu skin/noodles from the colander into the pan. They use the chopsticks to thoroughly mix all the ingredients\u2014meat, carrots, and noodles\u2014together, continuing to stir-fry the dish until the end of the video.", "questions": [{"question": "After I had added the chopped noodles to the pan near the end, which item had I been handling just before I washed my hands with soap at the sink?", "options": ["A. the carrot peels while collecting them into a clear plastic bag at the sink", "B. the chef's knife after rinsing it under running water at the sink", "C. the raw red meat after slicing it into thin stir-fry strips on the board", "D. the clean white plate after taking it from the dishwasher drawer"], "answer": "C", "evidence": "After all the meat is sliced, they move the plate aside. They then wash their hands at the sink using a sponge and soap... Finally, they add the chopped tofu skin/noodles from the colander into the pan.", "timestamps": "180-240s and 360-480s"}, {"question": "I added the julienned carrots to the pan. At that moment, what was the state of the noodles I had previously chopped?", "options": ["A. the noodles were resting in the metal colander on the counter", "B. the noodles were already added to the pan and being stirred", "C. the noodles were still on the cutting board after chopping", "D. the noodles were stored back in the refrigerator"], "answer": "A", "evidence": "Once the meat is partially cooked, they use their hand and the chopsticks to add the julienned carrots to the pan. ... These are then returned to the colander.", "timestamps": "300-360s and 45-120s"}], "n_frames_described": 100, "rejected_blind": 8, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "cf1470f1-9a03-4944-95dd-7f8410bb6cc8", "description": "0-36s: The video opens with a first-person view of a person sitting on a rolling stool in front of a small, yellow and white engine mounted on a red hydraulic lift. The person is inspecting the engine, touching various parts with their hands. They then stand up and walk over to a tool cart, picking up a roll of grey tape.\n\n36-72s: The person walks across the workshop floor, holding the roll of tape and a blue-handled air blow gun. They use the air gun to clean the inside of the tape roll before walking back towards the lift. They place the cleaned tape on the lift next to the engine and then pick up another piece of equipment from the floor.\n\n72-144s: The person positions a second, similar-looking but cleaner engine onto the other side of the red lift. After adjusting its position, they step back to survey their work. The two engines are now side-by-side on the lift. The person then walks away from the lift and towards a storage area.\n\n144-216s: From a storage shelf cluttered with barrels and containers, the person retrieves a black oil drain pan. They carry it back to the lift and place it on the floor directly underneath the first (dirtier) engine. They then walk over to a large black tool chest and open a drawer filled with wrenches and sockets, selecting one.\n\n216-288s: Sitting back down on the stool, the person uses the selected socket wrench to loosen and remove the drain plug from the bottom of the engine's crankcase. Dark, used oil begins to flow out into the black pan below. They then take a red plastic funnel and place it in the opening where the plug was removed to help guide any remaining drips.\n\n288-396s: While the old oil finishes draining, the person cleans the area around the drain hole with a grey rag. They then retrieve a new bottle of motor oil and a black funnel. After unscrewing the cap, they insert the funnel into the engine's oil fill port and begin pouring fresh, clean oil into the engine.\n\n396-504s: Once the new oil is added, the person removes the funnel and wipes the area clean. They then move to the second engine on the lift. Using a green cordless impact driver, they begin to remove the bolts securing the red pull-start housing cover.\n\n504-576s: With the bolts removed, the person takes off the red pull-start housing, exposing the internal recoil mechanism. They carry this component outside the garage door, sit down, and spray it with a cleaning agent from an aerosol can. They then use a hammer to gently tap on the center of the assembly, likely to free a stuck part or dislodge debris.\n\n576-648s: The person brings the cleaned pull-start housing back inside and reattaches it to the second engine. They hand-tighten the bolts first, then use the green impact driver to secure them firmly. Finally, they switch to a blue-handled T-wrench to give the bolts a final tightening, completing the repair on that engine.", "questions": [{"question": "Earlier I used a tool to clean the inside of a roll of grey tape. Later, which tool did I use to remove the bolts securing the red pull-start housing, and what did I do with the housing after taking it off?", "options": ["A. I used a green impact driver and then sprayed the housing with cleaner.", "B. I used a blue T-wrench and then hammered the housing gently.", "C. I used a socket wrench and then wiped the housing with a rag.", "D. I used a red funnel and then soaked the housing in oil."], "answer": "A", "evidence": "The person uses a green cordless impact driver to remove the bolts, then takes the pull-start housing outside and sprays it with a cleaning agent, then taps it with a hammer.", "timestamps": "36-72s (air gun cleaning tape) and 396-504s (using impact driver) and 504-576s (spraying housing)"}, {"question": "Before I added fresh oil to the first engine, what did I do with the red funnel after using it, and what did I do with the black funnel after using it?", "options": ["A. I wiped the red funnel with a rag and then placed it on the shelf.", "B. I set the red funnel aside and then used the black funnel for filling.", "C. I cleaned the red funnel with air and then discarded the black funnel.", "D. I returned the red funnel to the drawer and then used the black funnel."], "answer": "B", "evidence": "The person uses a red funnel to catch drips after removing the plug, then later uses a black funnel to pour new oil into the fill port. The red funnel is not mentioned as cleaned or returned.", "timestamps": "216-288s (red funnel) and 288-396s (black funnel for pouring)"}, {"question": "After I reattached the pull-start housing to the second engine, what did I use to give the bolts a final tightening, and what had I used earlier to clean the inside of the tape roll?", "options": ["A. I used a blue T-wrench and earlier a blue-handled air blow gun.", "B. I used a green impact driver and earlier a grey rag.", "C. I used a socket wrench and earlier a red plastic funnel.", "D. I used a hammer and earlier a black oil drain pan."], "answer": "A", "evidence": "The person uses a blue-handled T-wrench for final tightening. Earlier, they used a blue-handled air blow gun to clean the inside of the tape roll.", "timestamps": "576-648s (final tightening) and 36-72s (air gun cleaning tape)"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "cf712b40-9d72-4367-9c46-cceacd31d4fc", "description": "0-45s: The video opens with a first-person view of a kitchen counter. A person is washing green vegetables, which appear to be water spinach (kangkung), in a stainless steel sink under running water. They then move the washed vegetables to a white cutting board on the cluttered countertop. Using a large chef's knife, they begin chopping the stems and leaves into smaller pieces. Various ingredients are visible, including garlic, sauces, and a bag of flour labeled \"\u5f37\u529b\u5c0f\u9ea6\u7c89\" (Strong Wheat Flour).\n\n45-90s: After finishing with the water spinach, the person moves on to preparing garlic. They place several cloves on the cutting board, smash them with the flat side of the knife, peel off the skin, and proceed to finely mince them. Once minced, the garlic is scraped from the knife directly into a gold-colored frying pan that is sitting on a portable gas stove to the left.\n\n90-135s: The person prepares other aromatics. They take a small red chili pepper and use red-handled scissors to snip it into small pieces, letting them fall into the same frying pan with the garlic. Next, they retrieve a bottle of cooking oil from a drawer below the counter and pour a generous amount into the pan over the garlic and chili. The stove burner is turned on.\n\n135-180s: Attention shifts to making a sauce. The person takes a small metal bowl and begins adding various liquid seasonings. They pour in what appears to be soy sauce from a dark bottle, followed by another clear or light-colored liquid from a different bottle. They also add a spoonful of a reddish paste from a jar. Using chopsticks, they vigorously mix the ingredients together in the bowl to create a uniform sauce.\n\n180-230s: With the aromatics heating in the pan, the person adds the previously chopped water spinach. They use chopsticks to stir-fry the greens, tossing them in the hot oil until they begin to wilt. While the vegetables cook, they continue to prepare the sauce, adding more ingredients like sugar or salt from shakers and mixing again.\n\n230-285s: The person continues to stir-fry the water spinach. They then grab oven mitts, pick up a red pot containing boiling green beans from the back burner, and carefully drain the contents into a colander in the sink. After setting the drained beans aside, they return to stirring the water spinach in the frying pan.\n\n285-330s: The person adds the prepared sauce mixture from the metal bowl into the frying pan with the stir-frying water spinach. They use chopsticks to ensure all the vegetables are evenly coated with the sauce. They continue to toss and stir the dish as it cooks down.\n\n330-375s: The stir-fry is now complete. The person uses their hands to tidy up the workspace, moving bottles and containers around. They seem to be looking for something, opening a cabinet above the sink and then a drawer below the counter. They retrieve a patterned cloth or towel.\n\n375-420s: Using the cloth for protection, the person handles the hot pots on the stove. They move the red pot of boiled green beans and then focus on the frying pan with the finished water spinach stir-fry. They give it a final stir before turning off the heat.\n\n420-480s: In the final moments, the person continues to manage the cooked food. They stir the water spinach one last time and then appear to be transferring the boiled green beans from the red pot into a serving bowl. The video concludes with the two dishes, the stir-fried water spinach and the boiled green beans, ready to be served.", "questions": [{"question": "After I finished chopping the water spinach, what did I do with the garlic cloves before adding them to the frying pan?", "options": ["A. I smashed them with the flat side of the knife and peeled off the skin", "B. I sliced them thinly with a paring knife and removed the green sprouts", "C. I crushed them in a garlic press and discarded the papery husks", "D. I chopped them coarsely with a cleaver and left the skins on"], "answer": "A", "evidence": "After finishing with the water spinach, the person moves on to preparing garlic. They place several cloves on the cutting board, smash them with the flat side of the knife, peel off the skin, and proceed to finely mince them.", "timestamps": "45-90s"}, {"question": "Before I added the sauce to the stir-fry, what did I do with the red chili pepper and where did I put the pieces?", "options": ["A. I sliced it into rings and dropped them into the sink with the stems", "B. I snipped it into small pieces with scissors and let them fall into the pan", "C. I minced it with the garlic and scraped it into a small metal bowl", "D. I chopped it on the board and added it to the boiling green beans"], "answer": "B", "evidence": "They take a small red chili pepper and use red-handled scissors to snip it into small pieces, letting them fall into the same frying pan with the garlic.", "timestamps": "90-135s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "cbfa5f1a-d8ac-426f-8516-d2af8df96951", "description": "0-45s: The video begins with a first-person view of a cluttered living room. A grey sectional sofa is on the left, and a large wooden entertainment center stands against the yellow-painted wall on the right. The floor is covered in boxes, bags, and miscellaneous items. The camera pans around the room, showing more of the disarray before moving towards a corner where several framed pictures are leaning against the wall next to a shovel.\n\n45-120s: The person walks from the living room into an adjacent dining area and then into a home office. The office has dark blue walls, hardwood floors, and is also very messy, with papers and objects covering the desk and shelves. The person moves back out into the main living space, passing through the dining area again. They return to the corner in the living room and begin interacting with the pile of picture frames on the floor, picking one up to examine it.\n\n120-240s: The person continues to sort through the collection of picture frames on the floor of the living room. They pick up multiple frames, look at them, and place them back down or move them slightly. After this, they walk back into the home office. On the floor of the office, a new collection of framed pictures and artwork is now laid out neatly. The person looks over these items before walking back into the living room and then returning to the office.\n\n240-360s: The person is now focused on organizing the items in the home office. They move between the desk area and the floor where the pictures are sorted. At one point, they enter a bathroom briefly before returning to the office. They continue to handle the various picture frames, seemingly deciding on their placement. The camera provides close-up views of the different photos and art pieces.\n\n360-480s: The final segment shows the person actively cleaning. They retrieve a yellow can of \"Lysol\" disinfectant spray and a white cloth from the office desk. They proceed to wipe down a wooden plaque that reads \"Robert Bowman\". After cleaning the plaque, they use the cloth to wipe the surface of the desk itself, clearing away some dust and debris as the video concludes.", "questions": [{"question": "After I had been sorting through picture frames in the living room, I later wiped down a wooden plaque. What did I use to clean the plaque, and what did I do immediately after cleaning it?", "options": ["A. a white cloth and then wiped the surface of the desk", "B. a yellow spray can and then wiped the surface of the desk", "C. a white cloth and then returned to sorting frames", "D. a yellow spray can and then returned to sorting frames"], "answer": "A", "evidence": "The person retrieves a yellow can of Lysol disinfectant spray and a white cloth from the office desk. They wipe down a wooden plaque that reads 'Robert Bowman'. After cleaning the plaque, they use the cloth to wipe the surface of the desk itself.", "timestamps": "360-480s"}, {"question": "Earlier I had picked up a picture frame from the living room floor. Later, after entering the bathroom briefly, what did I do with the picture frames in the office?", "options": ["A. I laid them out neatly on the office floor", "B. I placed them on the office desk", "C. I leaned them against the office wall", "D. I moved them back to the living room"], "answer": "A", "evidence": "On the floor of the office, a new collection of framed pictures and artwork is now laid out neatly. The person looks over these items before walking back into the living room and then returning to the office.", "timestamps": "120-240s and 240-360s"}, {"question": "After I had examined multiple frames in the living room, I later entered a bathroom briefly. What did I do right after leaving the bathroom?", "options": ["A. I returned to the office and continued handling the picture frames", "B. I went back to the living room to sort more frames", "C. I cleaned the wooden plaque with a white cloth", "D. I wiped the desk surface with a yellow spray can"], "answer": "A", "evidence": "At one point, they enter a bathroom briefly before returning to the office. They continue to handle the various picture frames, seemingly deciding on their placement.", "timestamps": "240-360s"}, {"question": "Before I cleaned the wooden plaque, I had been organizing items in the office. What did I do with the framed pictures in the office before cleaning the plaque?", "options": ["A. I sorted them on the floor and then moved to the desk area", "B. I placed them on the desk and then entered the bathroom", "C. I moved them to the living room and then returned to the office", "D. I wiped them with a cloth and then placed them on the floor"], "answer": "A", "evidence": "The person is now focused on organizing the items in the home office. They move between the desk area and the floor where the pictures are sorted. At one point, they enter a bathroom briefly before returning to the office.", "timestamps": "240-360s and 360-480s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "cee6c78d-cd47-4617-bc25-42ee02b3a9c5", "description": "0-15s: The video opens with a static shot of an office room. A person in a red shirt is seated at a white desk, working on a laptop. The camera then pans down to show the floor and a grey rolling chair before panning back up. The scene includes a black door, white walls with control panels, and power outlets with several cables plugged in.\n\n15-45s: The camera perspective shifts as the person holding it begins to move. They walk out of the initial office room through a glass door into a hallway or another open-plan area. Another man, wearing a plaid shirt and a light-colored vest, appears and starts walking alongside the camera operator. They proceed together through the modern-looking space.\n\n45-90s: The two men enter a living area furnished with a dark brown tufted sofa, a side table with a lamp, and a keyboard on a stand. The man in the vest sits on the sofa, picks up an acoustic guitar that was resting there, and begins to play. After a short while, he stops playing and sets the guitar aside. He then gets up and walks towards a corner of the room where a low white shelf holds stacks of books.\n\n90-135s: The man in the vest examines the books on the shelf briefly before turning and walking away from the living area. The camera follows him as he moves through the apartment, passing a bedroom with a made bed and framed art on the wall. He continues into what appears to be a dressing area or closet, which contains a clothing rack with various shirts and a full-length mirror.\n\n135-180s: Leaving the dressing area, the man walks past a yellow exercise ball and a weight bench in a small gym section. He approaches a mirrored wall and looks at his reflection. In the background, another person in a red hoodie can be seen reflected in the mirror. The man in the vest turns to face the camera and speaks.\n\n180-225s: The camera operator moves away from the man in the vest and walks over to a kitchenette area situated by a large window. This area has a mini-fridge, a coffee maker, paper towels, and various condiments and snacks on a counter. The camera lingers here for a moment, showing the items clearly.\n\n225-270s: The camera pans around the main living space again, showing a different, lighter-colored sofa with red and white pillows positioned in front of the large windows. The man in the vest walks back into this area and sits down on the new sofa.\n\n270-315s: The camera focuses on the man sitting on the light-colored sofa. He is talking and gesturing. The view is mostly of him against the backdrop of the bright window and the trees outside. The camera angle is low, looking up at him.\n\n315-360s: The camera remains focused on the man on the sofa as he continues to talk. His expressions are animated. The natural light from the window illuminates the scene. There are no other significant actions or movements during this period.\n\n360-405s: The man continues his conversation, occasionally looking away and then back towards the camera. The setting remains unchanged, with the focus staying on his interaction. The ambient sounds of the environment are audible but indistinct.\n\n405-450s: Still seated on the sofa, the man carries on speaking. The camera maintains its position, capturing his upper body and facial expressions. The background shows the consistent view of the outdoors through the large window panes.\n\n450-480s: In the final segment, the man concludes his conversation. The camera holds on him for a few more seconds before the video ends. The overall atmosphere is casual and conversational throughout this last part of the tour.", "questions": [{"question": "What did the man in the vest do immediately after he played the guitar, and what did he do immediately after he examined the books?", "options": ["A. He set aside the acoustic guitar and then walked through the bedroom.", "B. He got up from the dark brown sofa and then walked through the dressing area.", "C. He walked to the low white shelf of books and then walked past the exercise ball.", "D. He examined the books on the shelf and then approached the mirrored wall."], "answer": "A", "evidence": "After playing, he set aside the guitar. After examining books, he walked through the bedroom.", "timestamps": "45-90s and 90-135s"}, {"question": "After I watched the man examine the books on the low shelf, I later saw him approach the mirrored wall. What did I see reflected in the mirror at that moment?", "options": ["A. I saw another person in a red hoodie reflected in the mirror.", "B. I saw a yellow exercise ball in the gym area.", "C. I saw a weight bench in the gym area.", "D. I saw a clothing rack in the dressing area."], "answer": "A", "evidence": "In the background, another person in a red hoodie can be seen reflected in the mirror.", "timestamps": "135-180s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "ce04aced-5d4c-4c8c-b01c-03a8b91226bc", "description": "0-45s: The video begins with a person in a bathroom, holding a clear plastic shower curtain. They proceed to remove the curtain from its hooks and then use a handheld showerhead to rinse it down inside the bathtub. After rinsing, they hang the wet curtain back up.\n\n45-120s: The person moves to the sink, where a pile of dirty cloths is waiting. They retrieve a bottle of \"ecover\" brand cleaning liquid from under the sink. They turn on the tap, apply the soap to the cloths, and begin hand-washing them in the soapy water that fills the basin. Once washed, they wring out the cloths and place them into the bathtub filled with clean water for rinsing. Finally, they wipe down the now-empty sink with a green cloth.\n\n120-180s: After finishing the laundry, the person takes the used green cloth and leaves the bathroom, walking into the kitchen. They open a stainless steel pedal bin, remove a full green trash bag, tie it shut, and set it aside. They then take a fresh green bag from a box and line the empty bin with it before placing the blue recycling insert back inside.\n\n180-270s: Carrying the tied-off green trash bag and the blue recycling bin, the person walks through a hallway into another room. They open a door leading outside (the scene becomes dark) to dispose of the waste. Upon returning inside, they begin tidying the room, picking up shoes and various children's toys scattered on the floor and a colorful rug. This includes small books, shape-sorter pieces, and other playthings, which they gather and put away.\n\n270-360s: The person continues cleaning the living area, picking up more items from the floor and placing them into storage containers. They methodically clear the space, ensuring all toys are put away.\n\n360-480s: Returning to the kitchen, the person puts on black oven mitts. They open the oven and carefully remove a round baking pan covered with aluminum foil. They place it on the counter, partially unwrap the foil to check the contents\u2014a baked dish\u2014and then re-cover it. They put the mitts down, pick up their smartphone from the counter, interact with the screen briefly, and then the video ends as they move towards the camera.", "questions": [{"question": "After I rinsed the shower curtain in the bathtub, what did I do with the hand-washed cloths before wiping down the sink?", "options": ["A. I wrung them out and placed them in the bathtub to rinse", "B. I placed them in the sink and turned on the tap to wash again", "C. I hung them up on the shower curtain hooks to drip dry", "D. I put them into the green trash bag to carry outside"], "answer": "A", "evidence": "Once washed, they wring out the cloths and place them into the bathtub filled with clean water for rinsing. Finally, they wipe down the now-empty sink with a green cloth.", "timestamps": "0-45s and 45-120s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "d2b7d331-4617-45db-a339-80afb7e25741", "description": "0-45s: The video opens with a static, high-angle shot of a compact kitchen. A person's hands enter the frame and open an overhead wooden cabinet, retrieving a white rice paddle. They then move to a silver rice cooker on the counter, open its lid, and scoop cooked white rice into a small white bowl before closing the lid.\n\n45-135s: The person walks to a stainless steel refrigerator. On the door is a calendar with Japanese text: \"\u30da\u30c3\u30c8\u30dc\u30c8\u30eb\u306e\u30ad\u30e3\u30c3\u30d7\u3068\u30e9\u30d9\u30eb\u306f 7\u30fb8\u30fb9\u6708\u306e3\u304b\u6708\u9593\u306f\u6bce\u9031\u56de\u53ce\u3057\u307e\u3059\u3002\" (PET bottle caps and labels will be collected every week for the three months of July, August, and September.) They open the fridge, take out a styrofoam tray containing raw sashimi fish slices, and place it on the counter next to the sink. They also retrieve a plastic bag containing a large, peeled daikon radish.\n\n135-225s: Returning to the main counter, the person turns on the gas stove under a pot. They unwrap the daikon radish from its plastic bag, place it on a green cutting board, and begin slicing it with a black-handled knife. After cutting off a piece, they re-wrap the remaining radish in the plastic bag and set it aside.\n\n225-315s: The person takes the sliced daikon radish and places it into a clear plastic container filled with water, likely to make pickles (daikon-zuke). They then retrieve another container holding dark seaweed (wakame) and use chopsticks to portion some onto small square plates. Next, they open a third container with sliced cucumbers and arrange them on other small plates. Finally, they lift the lid off the large pot on the stove to check the contents, which appear to be a simmering soup or stew.\n\n315-360s: The scene shifts to a low table in an adjacent living area, where several small side dishes are already arranged. The person returns to the kitchen, opens the fridge again, and takes out a package of instant noodles labeled \"\u30ad\u30e0\u30c1\u30e9\u30fc\u30e1\u30f3\" (Kimchi Ramen). They then proceed to unwrap the sashimi tray, preparing to plate the fish.\n\n360-405s: The person opens an upper cabinet and selects a round white ceramic plate. Using chopsticks, they carefully transfer the slices of salmon and other fish from the styrofoam tray onto the plate. Once finished, they rinse the empty tray in the sink and discard the packaging into a nearby trash bin. They carry the plated sashimi over to the dining table.\n\n405-480s: Back at the kitchen counter, the person cleans up briefly, wiping the counter and placing the green cutting board in a drying rack. They then get two bowls from the cabinet. One bowl is used to serve a portion of what looks like fried food from the large pot on the stove. The final shots show the meal being served and prepared for eating.", "questions": [{"question": "After I placed the sliced daikon radish into a clear plastic container filled with water, which item did I retrieve next from another container before arranging side dishes on small plates?", "options": ["A. Dark seaweed portioned onto small square plates", "B. Sliced cucumbers arranged on small plates", "C. Sashimi slices transferred onto a ceramic plate", "D. Kimchi ramen taken out from the fridge"], "answer": "A", "evidence": "The person takes the sliced daikon radish and places it into a clear plastic container filled with water, likely to make pickles. They then retrieve another container holding dark seaweed (wakame) and use chopsticks to portion some onto small square plates. Next, they open a third container with sliced cucumbers.", "timestamps": "225-315s"}, {"question": "Early in the video, I used a knife to cut a food item on a green cutting board. At the very end, where did I place that cutting board, and what had I done with the cut item in the meantime?", "options": ["A. in the drying rack; I placed the slices into a container filled with water", "B. on the kitchen counter; I arranged the slices on a round ceramic plate", "C. next to the kitchen sink; I rinsed the slices under running water", "D. inside the overhead cabinet; I wrapped the slices in a plastic bag"], "answer": "A", "evidence": "The daikon radish was sliced on the green cutting board, then the slices were placed into a clear plastic container filled with water. Later, the cutting board was placed in the drying rack.", "timestamps": "135-225s and 225-315s and 405-480s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "c9b85f16-c40a-4be6-9326-a253737fcc8e", "description": "0-30s: The video begins with a first-person view inside an apartment. The person walks from a kitchen area, past a hallway where a mop and bucket are visible, into a bathroom with dark grey tiles. They then proceed to a closet containing a shoe rack filled with various shoes and slippers. From the bottom shelf of this rack, they retrieve a pair of blue Nike slide sandals. After putting on the sandals, they walk towards the front door, turn off the light switch, and exit the apartment into darkness.\n\n30-120s: Now outside at night in a dimly lit parking garage or covered driveway, the person retrieves a black bicycle. They begin pushing it along the paved path, navigating through the dark space illuminated only by sparse overhead lights. They continue pushing the bike out of the covered area and onto a street with parked cars.\n\n120-180s: The person stops next to a parked silver car. They open the trunk, which contains some items including a red bag. They take out a white box, then move to the rear passenger door and open it. From the back seat, they retrieve a black and yellow portable air compressor still in its packaging. They also pull out a small plastic bag containing what appears to be valve adapters.\n\n180-240s: With the equipment retrieved, the person places the air compressor on the ground beside the bicycle's rear wheel. They plug the compressor's power cord into the car's cigarette lighter socket located in the center console of the open rear door. The compressor powers on, indicated by a bright blue LED light and an integrated work light that illuminates the tire area.\n\n240-360s: The person kneels beside the bicycle's rear wheel. They unscrew the cap from the tire valve stem. They attempt to attach the compressor hose nozzle to the valve but seem to encounter difficulty, possibly due to valve type mismatch. They pause, go back to the car, and select a different adapter from the small plastic bag they previously retrieved. Returning to the bike, they successfully attach the correct adapter to the valve stem, then firmly connect the compressor hose. They press a button on the compressor to start inflating the tire, holding the connection steady as the device operates.\n\n360-480s: After a period of inflation, the person disconnects the hose, removes the adapter, and screws the valve cap back on. They check the tire pressure manually by pressing on the tire. Satisfied, they unplug the compressor from the car, coil the cord, and place the unit and accessories back into the car's interior. Finally, they pick up the bicycle, appearing ready to resume their journey.", "questions": [{"question": "After I exited the apartment, what was the first item I retrieved from the car?", "options": ["A. a black and yellow portable air compressor", "B. a small plastic bag of valve adapters", "C. a white box taken from the trunk", "D. a red bag that remained in the trunk"], "answer": "C", "evidence": "They open the trunk, which contains some items including a red bag. They take out a white box, then move to the rear passenger door and open it.", "timestamps": "30s (exit) and 120-150s (car retrieval)"}, {"question": "After I exited the apartment, I retrieved a black bicycle. Later, while inflating the tire, I had to stop and go back to the car. What did I retrieve from the car at that point, and what did I do with the compressor after the tire was full?", "options": ["A. I retrieved a different adapter, and I unplugged the compressor.", "B. I retrieved the white box, and I checked the tire pressure.", "C. I retrieved the air compressor, and I placed it back in the car.", "D. I retrieved the small plastic bag, and I picked up the bicycle."], "answer": "A", "evidence": "They attempt to attach the compressor hose nozzle to the valve but encounter difficulty, go back to the car, and select a different adapter from the small plastic bag. After inflation, they unplug the compressor, coil the cord, and place the unit back in the car.", "timestamps": "240-360s and 360-480s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "d3413a15-c30d-4cd7-ac2e-e56af6790754", "description": "0-90s: The video begins with a static, first-person perspective focused on a white, glossy coffee table in a bright, modern living space. Several objects are arranged on the table: a teal mug with a gold handle, a white game controller, a black remote control, a purple glass vase containing yellow pom-pom flowers, a purple candle, a magazine with the title \"VIKINGS\" visible on the cover, and a scattered pile of blue-backed playing cards. To the left, a grey patterned rug covers the floor. The camera remains largely stationary throughout this segment, capturing the still life arrangement.\n\n90-356s: A black smartphone is introduced into the lower portion of the frame. The person holding the camera engages with the device, and the screen illuminates, displaying a video of a bald man who appears to be speaking or performing. For the next several minutes, the camera remains fixed on the phone screen and the table below. The video on the phone continues to play, showing the man's face and gestures. The physical objects on the table remain undisturbed during this long period of watching.\n\n356-364s: The camera pans upward and to the right, shifting focus away from the phone. A man is revealed sitting on a grey sectional sofa opposite the table. He is wearing a red long-sleeved shirt, black pants, sunglasses, and a lanyard with an ID badge. He is holding a deck of cards in a blue box, indicating that a card game is either about to begin or has recently concluded.\n\n364-388s: The camera turns away from the man and the table, panning left past the television and window. It then moves rapidly forward into a hallway. A man dressed in black is seen walking ahead in the distance. The wall along the hallway features a large mural with green and pink wave patterns. The camera passes the man in the red shirt (who is now standing) and enters an office area equipped with white desks, metal shelving units, and people working at computers. The video concludes in this office environment.", "questions": [{"id": 2, "question": "After I had first seen the man in the red shirt sitting on the grey sofa, what did I notice about him when I passed him heading toward the office?", "options": ["A. he was still sitting on the grey sofa with a blue deck in his hand", "B. he was standing in the hallway while the camera moved past him", "C. he was sitting on the rug with a black phone and a teal mug", "D. he was working at a computer in the office near the white desks"], "answer": "B", "evidence": "Initially he is sitting on the grey sofa; later the camera passes the man in the red shirt, who is now standing.", "timestamps": "356-364s and 364-388s"}, {"id": 3, "question": "Before I picked up the phone, I saw a loose pile of blue-backed cards on the table. When I looked at the man on the sofa, where were those cards?", "options": ["A. the cards were still scattered on the table under the purple vase", "B. the cards were in the hands of the man in black walking down the hallway", "C. the cards were in a blue box held by the man on the grey sofa", "D. the cards were beside a computer on a white desk in the office"], "answer": "C", "evidence": "The opening view shows a scattered pile of blue-backed cards; moments before the walk to the office, the man on the sofa is holding a deck of cards in a blue box.", "timestamps": "0-90s and 356-364s"}, {"id": "4", "question": "After I turned from the man on the sofa, what was the first thing I saw while heading toward the office, and what did I see right after?", "options": ["A. the man in black was ahead, and then the white desks of the office", "B. the grey sofa was on the side, and then the television and a window", "C. the red-shirted man was standing, and then a mural with wavy patterns", "D. the television and window came first, then a hallway with a mural"], "answer": "D", "evidence": "The camera pans left past a television and window, then moves forward into a hallway with a mural before reaching the office.", "timestamps": "356-364s and 364-388s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "cd8ee8a6-b0d7-47d5-a1eb-5008bd5c3804", "description": "0-45s: The video begins with the person adjusting the camera position. They walk to the stainless steel refrigerator, open the lower door, and retrieve a white plate containing raw minced meat. They place the plate on the countertop next to a white rice cooker.\n\n45-90s: The person moves to the sink and washes their hands under running water. After drying their hands, they pick up a yellow bell pepper from a clear plastic bag sitting near the sink.\n\n90-150s: Using a large chef's knife on a white cutting board with red corners, the person slices the yellow bell pepper into strips and then proceeds to dice it into small cubes.\n\n150-180s: The person pours cooking oil from a bottle into a black non-stick frying pan on the gas stove. They scrape the diced yellow pepper from the cutting board into the hot pan and begin stirring it with wooden chopsticks.\n\n180-240s: While the pepper saut\u00e9s, the person takes a white onion from a plastic container. They peel and chop the onion into chunks on the cutting board.\n\n240-300s: The chopped onion pieces are transferred into a small yellow pot filled with boiling water on the adjacent burner.\n\n300-360s: The person opens a package of brown mushrooms (likely shimeji). They trim the root ends and separate the clusters with their hands and knife.\n\n360-420s: The prepared mushrooms are added to the boiling water pot with the onions. The person then takes the plate of raw minced meat and adds it to the frying pan with the saut\u00e9ing peppers.\n\n420-480s: Using a wooden spatula, the person breaks up the meat and stirs it with the peppers. They season the mixture sequentially: first pouring a dark liquid (likely soy sauce) from a bottle, then adding a red sauce (likely ketchup or chili sauce), followed by a spoonful of a paste from a small jar, and finally a spoonful of a substance from a white tub (likely butter or miso). They continue to stir the mixture vigorously as it cooks.", "questions": [{"question": "Which ingredient did I add to the frying pan first, and which seasoning did I use last on the meat mixture?", "options": ["A. I added the minced meat first, and the last seasoning was a dark liquid.", "B. I added the minced meat first, and the last seasoning was from a white tub.", "C. I added the yellow pepper first, and the last seasoning was from a white tub.", "D. I added the yellow pepper first, and the last seasoning was a dark liquid."], "answer": "C", "evidence": "The diced yellow pepper was added to the pan (150-180s). The seasonings were added sequentially: first a dark liquid, then a red sauce, then a paste, finally a substance from a white tub (420-480s).", "timestamps": "150-180s and 420-480s"}, {"question": "Which did I do first: add the diced pepper to the frying pan or add the chopped onion to the boiling pot, and what was the condition of the mushrooms at the time I did the second of these?", "options": ["A. I added the pepper to the pan first, and the mushrooms were still in their package.", "B. I added the onion to the pot first, and the mushrooms were already trimmed.", "C. I added the pepper to the pan first, and the mushrooms were already in the pot.", "D. I added the onion to the pot first, and the mushrooms were still in their package."], "answer": "A", "evidence": "Pepper is added to the pan at 150-180s; onions are added to the pot at 240-300s. Mushrooms are still in the package until 300-360s.", "timestamps": "150-180s (pepper) and 240-300s (onion)"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "d278ad2e-f1e0-447b-8820-55f258e712a2", "description": "0-137s: The video opens with a first-person perspective of an individual sitting on a grey couch in a modern living room. They are holding a gold-colored smartphone and actively scrolling through a social media feed, which displays a grid of images including people and costumes. A second person's hands enter the frame, also holding a phone and interacting with it. On the glass coffee table between them are several objects: a teal mug, a disposable coffee cup, a white game controller, and decorative vases. In the background, a brown box filled with colorful party supplies sits near a window. The primary action is continuous phone usage by both individuals.\n\n137-185s: The camera perspective shifts as the person holding it stands up from the couch. The view pans across the room, showing the coffee table, a television on a white stand, and large windows looking out onto trees. The person then walks away from the seating area, moving down a hallway. Another individual wearing a striped sweater is seen walking ahead. The camera follows this person past a wall with a large pink and green mural.\n\n185-264s: The camera enters a different room that appears to be an office or storage space. This room contains metal shelving units, some empty and others holding various items. Several cardboard boxes, including one with the Amazon logo, are on the floor. Two other people are present in this room: a woman with blonde hair standing near a desk with laptops, and a man in a plaid shirt who walks into the frame. The video concludes with the camera focused on the man in the plaid shirt.", "questions": [{"question": "While I was sitting on the grey couch, another person's hands entered the frame. After I stood up, which person did I see first before reaching the office?", "options": ["A. the individual wearing a striped sweater who was ahead of me in the hallway", "B. the woman with blonde hair standing near a desk with laptops", "C. the man in a plaid shirt who walked into the office frame later", "D. the second person whose hands were holding a phone while I sat on the couch"], "answer": "A", "evidence": "A second person's hands enter the frame... Another individual wearing a striped sweater is seen walking ahead. The camera follows this person.", "timestamps": "0-137s and 137-185s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "d37ab6fe-4f57-41ef-b6ff-cb193be15303", "description": "**0-60s:** A person wearing a grey Seattle Seahawks jersey with the number \"12\" and light blue jeans sits on a beige sofa with red and orange pillows. In front of them is a white coffee table cluttered with scattered wooden Jenga blocks, a teal mug, a black remote control, a white Xbox controller, and a bag of chips. The person holds a rose-gold smartphone, briefly looking at it before placing it down or adjusting their position.\n\n**60-150s:** The person stands up and walks towards the window area near a kitchenette. They retrieve a broom with a black handle and grey bristles. The camera follows as they begin sweeping yellow crumbs and debris from the dark floor. A white dustpan is introduced, and the person sweeps the debris into it. The camera captures close-ups of the sweeping action and the collected crumbs in the dustpan.\n\n**150-240s:** After cleaning, the person walks back towards the living area. They pass a white mini-fridge which is now open, revealing drinks inside; on top of the fridge sit a black coffee maker, a blue bottle of \"Coffee mate\" creamer, and a cup with utensils. The camera pans around the room, showing large windows decorated with colorful paper flags and a view of trees outside. The person returns to the sofa area and sits down, holding the smartphone again. The screen displays a YouTube interface with a green \"Download App\" button visible.\n\n**240-480s:** The person scrolls through the phone and selects a video. The screen changes to display an American football game, played in landscape mode. For the remainder of the video, the person holds the phone steadily, watching the game. The background shows a grey patterned rug and a black TV stand with a television and cleaning supplies nearby. The person is also wearing glasses with a label \"ECG-002\" visible on the side arm.", "questions": [{"question": "Before I swept the yellow crumbs from the dark floor near the kitchenette, what did I do with the rose-gold smartphone I had been holding while sitting on the sofa?", "options": ["A. I placed it on top of the mini-fridge next to the coffee maker", "B. I placed it down on the white coffee table in front of the sofa", "C. I tucked it under the red and orange sofa pillows", "D. I set it on the window sill near the black-handled broom"], "answer": "B", "evidence": "The person holds a rose-gold smartphone, briefly looking at it before placing it down or adjusting their position. Later, they retrieve a broom with a black handle and grey bristles.", "timestamps": "0-60s and 60-150s"}, {"question": "When I returned to the sofa after sweeping the floor, which object did I pick up from the white coffee table that I had left there before cleaning?", "options": ["A. a wooden Jenga block from the scattered pile on the table", "B. the black remote control that was on the coffee table", "C. the white Xbox controller that was lying on the table", "D. my rose-gold smartphone that I had left on the table before cleaning"], "answer": "D", "evidence": "The white coffee table is cluttered with scattered wooden Jenga blocks, a teal mug, a black remote control, a white Xbox controller, and a bag of chips. The person holds a rose-gold smartphone initially. After cleaning, the person returns to the sofa area and sits down, holding the smartphone again.", "timestamps": "0-60s and 150-240s"}, {"question": "What did I do with my phone before I swept the floor, and where did I walk after I had finished sweeping the debris into the dustpan?", "options": ["A. I kept it in my hand; I walked to the mini-fridge", "B. I placed it on the mini-fridge; I walked to the window area", "C. I placed it on the coffee table; I walked back to the sofa", "D. I placed it on the sofa; I walked to the kitchenette"], "answer": "C", "evidence": "The person holds a rose-gold smartphone, briefly looking at it before placing it down. After cleaning, the person walks back towards the living area and returns to the sofa.", "timestamps": "0-60s and 150-240s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "d0c929e7-08f0-4570-83fa-20aaecf362db", "description": "\n0-14s: The video begins with a first-person perspective of a person standing near a large window. They are holding a black handle, likely part of a vacuum cleaner, in their right hand. To the left, on a white surface, sits a black coffee maker and various small items including a pink sponge and an orange object. The person is wearing a black t-shirt and a green lanyard with an ID badge around their neck.\n\n14-24s: The camera pans to the right, revealing a modern living room. A large grey sectional sofa with striped and maroon pillows is visible. In front of it is a white coffee table cluttered with items: a purple glass vase, a purple candle, a book titled \"HISTORY OF THE WORLD\", a teal mug, a white game controller, a silver Monster energy drink can, a bag of red chips, and a deck of Bicycle playing cards. In the background", "questions": [{"question": "After I saw the pink sponge near the window, what was the next object that came into view when the camera panned right?", "options": ["A. the white coffee table positioned directly in front of the grey sofa", "B. the purple glass vase sitting prominently on the white coffee table", "C. the thick history book lying open on the surface of the coffee table", "D. the large grey sectional sofa decorated with striped and maroon pillows"], "answer": "D", "evidence": "including a pink sponge; The camera pans to the right, revealing a modern living room. A large grey sectional sofa", "timestamps": "0-14s and 14-24s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "cc2a687e-e871-4319-85c9-c0161678903d", "description": "0-35s: The video opens with a first-person view of a person sitting in a modern living room, holding a white smartphone horizontally. The phone screen displays various short video clips and animations. In the background, there is a large window overlooking trees with autumn foliage, a white coffee table with two teal mugs, a remote control, and a closed laptop. A television sits on a white stand against the wall.\n\n35-78s: The camera perspective shifts to show another person, wearing an orange shirt and sunglasses, sitting to the left. This second person is also holding a black smartphone and scrolling through content. The primary person continues to hold their white phone, which now displays a YouTube interface for a channel named \"Orange Bird\" with videos titled \"GIRL POWER\" and \"NOSTALGIC\". Both individuals are engaged with their respective phones.\n\n78-120s: The focus returns primarily to the person in the orange shirt, who is actively using their black phone. They scroll through a feed of video thumbnails, tap on one, and begin watching it in landscape mode. The content appears to be a series of short, edited clips or memes. The person in the foreground (the camera operator) remains relatively still, observing.\n\n120-165s: The person in the orange shirt continues to watch videos on their phone, occasionally tapping to skip to the next clip. The videos shown include a man in a red jacket, a person giving a thumbs-up, and other quick-cut scenes. The environment remains unchanged, with natural light filling the room from the large windows.\n\n165-200s: The camera pans away from the people and the living room setup. It moves across the dark floor, past a grey rug, and towards a different area of the building. The movement suggests the person holding the camera is getting up and walking.\n\n200-249s: The camera proceeds down a hallway with grey walls and a colorful mural featuring green and pink abstract mountain-like shapes. The person walks past glass-walled rooms and enters a small office or storage room. Inside, a woman with blonde hair stands near a desk. The camera then turns to show a man in a white t-shirt standing over a low table covered with numerous small boxes and products, seemingly organizing or examining them. The video ends on this scene.", "questions": [{"question": "After I entered the storage room, what was the person in the orange shirt doing when I was still in the living room?", "options": ["A. holding a white smartphone and watching short video clips", "B. scrolling through video thumbnails on a black smartphone", "C. standing near a desk beside a blonde-haired woman", "D. organizing a collection of small boxes on a low table"], "answer": "B", "evidence": "The person in the orange shirt was scrolling through a feed of video thumbnails on their black phone (35-78s). The storage room scene is at 200-249s.", "timestamps": "35-78s and 200-249s"}, {"question": "Earlier, I was watching videos on my phone. After I entered the storage room, what color was the shirt worn by the man I saw?", "options": ["A. an orange t-shirt", "B. a grey t-shirt", "C. a white t-shirt", "D. a teal t-shirt"], "answer": "C", "evidence": "The man in the storage room wore a white t-shirt (200-249s). Earlier, I was watching videos on my phone (0-35s).", "timestamps": "0-35s and 200-249s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "d526081c-02b3-40a1-8a61-d4e59fabcb7c", "description": "0-45s: The video opens on a cluttered kitchen counter. A black frying pan sits on a portable gas burner to the left of a stainless steel sink. Ingredients are laid out: a package of raw pork loin, a bag of bean sprouts, and another tray of meat. A person's hand enters the frame, reaches into the sink area, and retrieves a yellow plastic cutting board, placing it on the counter next to the sink.\n\n45-135s: The person picks up the package of pork loin, which has Japanese text including \"\u30ed\u30fc\u30b9\u8089\" (loin meat). They open the package and use a fork to lift the raw steak onto the yellow cutting board. Next, they pick up a small red-capped shaker from a white caddy and season the meat. Afterward, they take a round container with a white lid labeled \"YUKIWA\" (\u96ea\u8f2a), a brand of cooking fat or butter. Using a knife, they scoop a pat of the yellow fat and place it into the cold frying pan.\n\n135-225s: The person lights the gas burner under the pan. As the fat melts and sizzles, they carefully transfer the seasoned steak from the cutting board into the hot pan. While the steak begins to cook, the person takes an onion, cuts off the end, peels away the outer layer over the sink, and then slices it into thick wedges on the cutting board. They retrieve a yellow spatula from an overhead shelf and use it to flip the steak in the pan. Once flipped, they add the sliced onions around the steak.\n\n225-315s: The person grabs the bag of bean sprouts, tears it open, and adds them directly into the pan with the steak and onions. They stir the ingredients together with the spatula. Then, they reach for a bottle of dark liquid seasoning, likely soy sauce, from the caddy and pour it over the food. They continue to stir-fry everything until cooked. To serve, they place a clean white plate on the counter and use the spatula to transfer the entire contents of the pan\u2014steak, onions, and bean sprouts\u2014onto the plate.\n\n315-480s: With the meal plated, the person moves to clean up. They carry the dirty frying pan and spatula to the sink and turn on the tap. They apply dish soap from a pump bottle and begin scrubbing the pan and spatula with a sponge. After rinsing them, they wash the yellow cutting board and the knife that was used earlier, leaving all the dirty dishes soaking in the soapy water of the sink as the video concludes.", "questions": [{"question": "After I flipped the steak, what ingredient did I add around it before the bean sprouts, and what tool did I use to plate the meal?", "options": ["A. I added sliced onion wedges, and I used the yellow spatula to plate.", "B. I added a scoop of cooking fat, and I used the same fork to plate.", "C. I added a pour of dark soy sauce, and I used the clean white plate to plate.", "D. I added a handful of bean sprouts, and I used a wooden spoon to plate."], "answer": "A", "evidence": "Once flipped, they add the sliced onions around the steak. ... use the spatula to transfer the entire contents of the pan\u2014steak, onions, and bean sprouts\u2014onto the plate.", "timestamps": "135-225s and 225-315s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "d44b407e-8478-4585-8a93-374bf1ae3846", "description": "0-45s: The video opens on a kitchen counter with ingredients prepped for cooking. A bowl of sliced red onions sits in the sink, and a package of raw pork belly rests on a light green cutting board next to a large knife. To the right, a black frying pan containing water is on a portable gas stove. The person picks up the pork package, removes the fork that was resting on it, and sets the knife down. They then proceed to open the plastic packaging of the pork.\n\n45-180s: The person begins preparing the pork. They take individual strips of raw pork from the package, separate them by hand, and place them into the pan of water on the stove. This process is repeated until a significant portion of the pork is in the pan. As the pork cooks, it changes color from pink to greyish-white. Using a fork, the person transfers the cooked pork from the boiling water into a metal mesh strainer held over the sink to drain.\n\n180-270s: After draining the first batch of pork, the person continues to add more raw pork strips to the pan, cooking them in batches. Once all the pork is cooked and drained, they use their hands to rinse the cooked meat under running tap water in the sink, likely to remove excess fat or impurities. The rinsed pork is placed back into the strainer. The person then opens a drawer below the sink and retrieves a blue rectangular container lid.\n\n270-360s: The person moves to a small white refrigerator, which has a smartphone propped on top playing a video. They open the fridge door and take out a plastic bag containing various vegetables, including bell peppers and what appears to be cabbage or lettuce. They also retrieve a glass dish filled with shredded cabbage. Back at the main counter, they unpack the vegetables onto the cutting board. Using the large knife, they slice a yellow bell pepper and a red bell pepper into thin strips.\n\n360-480s: With the peppers chopped, the person takes the strainer of cooked pork and places the meat onto the cutting board alongside the sliced peppers. They then begin to cut the larger pieces of cooked pork into smaller, bite-sized strips using the knife. The final shot shows the cutting board covered with the prepared ingredients: julienned pork, sliced yellow and red peppers, and the bowl of red onions still in the sink nearby, ready for the next stage of cooking.", "questions": [{"question": "After I had placed the cooked pork on the cutting board with the sliced peppers, what had I retrieved from the refrigerator earlier in the process?", "options": ["A. A plastic bag containing bell peppers and a glass dish of shredded cabbage", "B. A blue rectangular container lid and a metal mesh strainer", "C. A package of raw pork belly and a large kitchen knife", "D. A bowl of sliced red onions and a glass dish of shredded cabbage"], "answer": "A", "evidence": "They open the fridge door and take out a plastic bag containing various vegetables, including bell peppers and what appears to be cabbage or lettuce. They also retrieve a glass dish filled with shredded cabbage.", "timestamps": "270-360s and 360-480s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "d5c8c96c-7653-4ff7-909b-3ec1fea2e4bb", "description": "0-45s: The video begins at a cluttered tool chest in a workshop. Various tools, including spray cans and sockets, are visible. The camera pans across the workspace, showing a red riding lawnmower elevated on a lift to the left. The person selects a socket from a tray on the tool chest and attaches it to a red cordless impact driver lying on the surface.\n\n45-90s: The person walks over to the lawnmower, which is positioned on a red hydraulic lift. They use a black cordless impact driver (switched from the red one prepared earlier) to loosen and remove the central bolt securing the old, dirty pulley on the mower deck. Once the bolt is removed, they take off the old metal pulley, exposing the spindle underneath.\n\n90-135s: With the old pulley removed, the person takes a new, clean black pulley (seen held earlier) and places it onto the spindle. They hand-thread the bolt to secure it initially. Then, using the black impact driver, they tighten the bolt firmly to lock the new pulley in place. They give it a quick spin to ensure it moves freely.\n\n135-180s: The person walks away from the mower, moving through the workshop aisle past other equipment like a yellow forklift. They enter a parts storage room lined with shelves and boxes. They locate a cardboard box, open it, and pull out a new drive belt wrapped in packaging labeled \"Original Equipment.\"\n\n180-225s: Carrying the new belt, the person returns to the lawnmower. They discard the packaging and begin the process of routing the belt. They hold the long, brown rubber belt and start looping it around the pulleys on the mower deck, starting with the newly installed black pulley.\n\n225-270s: The person reaches underneath the mower deck to guide the belt around the lower pulleys. This requires maneuvering the belt into tight spaces. They carefully thread the belt through the designated grooves, ensuring it follows the correct path around the idler pulleys.\n\n270-315s: The routing continues as the person works the belt around the engine pulley at the top of the deck. They use both hands to stretch and position the belt, making sure it is seated correctly in the grooves of each pulley wheel. The belt is now loosely in place but needs adjustment.\n\n315-360s: The person steps back to inspect the belt path. Realizing they might need to verify the routing, they walk over to a blue computer terminal station. They use the mouse to navigate a screen displaying a technical diagram, likely confirming the correct belt configuration for this specific mower model.\n\n360-405s: After checking the diagram, the person returns to the mower. They make final adjustments to the belt, pulling it taut and ensuring it is properly seated on the tensioner pulley. They reach deep into the deck to manipulate the belt around the remaining pulleys.\n\n405-450s: The person continues to fine-tune the belt installation. They rotate the pulleys by hand to check that the belt tracks correctly and doesn't slip off. They ensure the belt is not twisted and is aligned with all the wheels.\n\n450-480s: In the final moments, the person performs a last visual inspection of the entire belt system. The belt is now fully installed and routed correctly around all pulleys on the mower deck. The repair appears complete as they step back from the machine.", "questions": [{"question": "After I had routed the belt around the engine pulley at the top of the deck, which pulley had I routed the belt around just before that?", "options": ["A. The newly installed black pulley on the mower deck", "B. The lower pulleys underneath the deck", "C. The tensioner pulley near the engine", "D. The idler pulley behind the deck"], "answer": "B", "evidence": "The routing sequence is: new pulley, then lower pulleys, then engine pulley (225-270s and 270-315s).", "timestamps": "225-270s and 270-315s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "d3d31cf4-2a4c-497b-bba7-6d5bef9f8e1a", "description": "0-65s: The video opens with a first-person view of a person holding a metal sieve containing dark beans and pieces of cooked chicken over a kitchen sink. Using a fork, they transfer the contents from the sieve into a rectangular plastic container on the counter that already holds a green vegetable mixture. After emptying the sieve, it is placed in the sink.\n\n65-130s: The person retrieves an empty clear plastic container from a drawer under the counter. They use the fork to move the chicken pieces from the sieve into this new container. Once all the chicken is transferred, they place the container down and begin mixing the bean and vegetable salad in the other container with two forks.\n\n130-230s: The person continues to thoroughly mix the salad. They then reach for a red bottle of sauce, which appears to be Sriracha based on its shape and cap, and squeezes a generous amount over the salad. They proceed to mix the sauce into the salad until it is evenly distributed.\n\n230-340s: After finishing the salad, the person begins cleaning up. They rinse the used sieve and fork in the sink. Next, they take a head of lettuce from a plastic bag, tear off leaves by hand, and place them into a separate glass bowl. They also open another package containing what looks like shredded cabbage or coleslaw mix and add it to the same bowl.\n\n340-480s: The person takes a hard-boiled egg out of a small packet and places it on a red cutting board. They slice the egg and add the pieces to the salad bowl. Finally, they take the mixed bean salad and spoon it on top of the bed of lettuce, cabbage, and egg in the glass bowl, completing the dish.", "questions": [{"question": "After I had added the shredded cabbage to the glass bowl, I later used a red cutting board. What did I do on that cutting board?", "options": ["A. I chopped the head of lettuce into small shreds for the salad", "B. I cut the cooked chicken pieces into bite-sized chunks", "C. I mixed the bean and vegetable salad with the two forks", "D. I sliced the hard-boiled egg into pieces before adding them to the bowl"], "answer": "D", "evidence": "They take a hard-boiled egg out of a small packet and place it on a red cutting board. They slice the egg and add the pieces to the salad bowl.", "timestamps": "230-340s and 340-480s"}, {"question": "After I had placed the empty metal sieve in the sink, I later rinsed it and began building the glass bowl salad. What was still in the rectangular container when I started tearing the lettuce leaves?", "options": ["A. the hand-torn lettuce leaves that I had taken from the plastic bag", "B. the mixed bean and vegetable salad with the red Sriracha mixed in", "C. the shredded cabbage from the package that I opened for the salad", "D. the chicken pieces from the clear plastic container in the drawer"], "answer": "B", "evidence": "After mixing in the Sriracha, the person begins cleaning up and then tears lettuce leaves into a glass bowl; the mixed bean salad is still in the rectangular container at this time.", "timestamps": "130-230s and 230-340s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "da111cf5-53f6-4af0-8cb5-fc554bb80ea8", "description": "0-45s: The video opens with a first-person view of a cluttered kitchen counter. A person wearing a black t-shirt is present. On the stainless steel countertop, there is a white cutting board, a silver knife, a head of lettuce in a black bowl, and various packaged ingredients. To the left is a portable gas stove with a gold-colored frying pan on it. The person's hands enter the frame, pick up a clove of garlic from a plastic bag, and place it on the cutting board. They then proceed to peel the garlic.\n\n45-120s: After peeling the garlic, the person uses the silver knife to chop it into small pieces on the white cutting board. Once finished, they set the knife down. Next, they retrieve a string of eggs, break one off, and crack it into a small white bowl that was taken from an overhead cabinet. Using wooden chopsticks retrieved from a drawer, they whisk the egg in the bowl.\n\n120-210s: The person turns their attention to the stove. They pour cooking oil from a clear bottle labeled \"\u592a\u767d\" (Taibai) into the gold frying pan. After placing the bottle back on the counter, they pick up the bowl of whisked egg and pour it into the hot pan. Using the chopsticks, they scramble the egg until it is cooked, then transfer the scrambled egg from the pan into the now-empty white bowl.\n\n210-300s: With the egg removed, the person adds more oil to the same pan. They take a small red chili pepper from the counter, chop it finely on the cutting board, and add it to the hot oil in the pan, stirring with chopsticks. Following this, they take the head of lettuce, tear off several leaves by hand, wash them under the tap in the sink, and then add the torn lettuce to the pan with the chili.\n\n300-375s: The person stirs the lettuce in the pan as it begins to cook down. They then reach for a package of what appears to be fish cakes or tofu, unwraps it, and adds the contents to the pan. They also grab a bottle of seasoning from the shelf above the sink and sprinkle some into the pan while continuing to stir the mixture with chopsticks.\n\n375-480s: The person continues to cook the vegetable and fish cake mixture, stirring occasionally. They open the refrigerator door briefly to retrieve another condiment bottle, which they also add to the pan. Finally, they use a wooden spoon to mix everything together thoroughly before the video ends. Throughout the process, the sink area remains filled with dirty dishes.", "questions": [{"question": "After I took the small white bowl down from the overhead cabinet, I later poured the first oil into the pan. What was in that bowl at the moment I poured the oil?", "options": ["A. The whisked egg I had just beaten with the wooden chopsticks", "B. The chopped garlic from the plastic bag on the cutting board", "C. The torn lettuce leaves I had washed under the tap in the sink", "D. The unwrapped fish cakes from the package on the counter"], "answer": "A", "evidence": "The small white bowl was taken from an overhead cabinet, the egg was cracked into it and whisked with wooden chopsticks, and later the bowl of whisked egg was picked up after the first oil pour.", "timestamps": "45-120s and 120-210s"}, {"question": "After I removed the cooked egg from the pan, I poured in more oil. Which ingredient went into that oil before I touched the lettuce?", "options": ["A. The torn lettuce leaves I had washed under the tap in the sink", "B. The fish cakes I unwrapped from the package on the counter", "C. The small red chili pepper I chopped finely on the cutting board", "D. The seasoning I sprinkled from the bottle on the shelf above the sink"], "answer": "C", "evidence": "With the egg removed, the person adds more oil to the same pan, takes a small red chili pepper, chops it finely, and adds it to the hot oil; following this, they take the head of lettuce.", "timestamps": "120-210s and 210-300s"}, {"question": "After I whisked the egg, I cooked several things in the pan. What did I do right after adding the fish cakes, and which ingredient went in just before the fish cakes?", "options": ["A. Next: opened the refrigerator for a condiment; before: the chopped red chili", "B. Next: sprinkled seasoning from the shelf bottle; before: the torn lettuce leaves", "C. Next: stirred everything with the wooden spoon; before: the whisked raw egg", "D. Next: washed lettuce leaves in the sink; before: the unwrapped fish cakes"], "answer": "B", "evidence": "The torn lettuce was added to the pan with the chili, then the fish cakes were unwrapped and added, and right after that a bottle of seasoning from the shelf above the sink was sprinkled into the pan.", "timestamps": "45-120s and 210-375s"}, {"question": "At the very end I used a wooden spoon to mix everything together. Earlier, while I stirred the chili in the hot oil, which object was in my hand?", "options": ["A. The silver knife I had used to chop the garlic on the cutting board", "B. The wooden spoon I picked up for the final mixing at the end", "C. The clear oil bottle labeled with the Chinese characters on the counter", "D. The wooden chopsticks I had taken from the drawer to whisk the egg"], "answer": "D", "evidence": "The chili was added to the hot oil and stirred with chopsticks; at the very end a wooden spoon was used to mix everything together.", "timestamps": "210-300s and 375-480s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "dab8726c-ac3e-43a9-acde-69db32bfe989", "description": "0-45s: The video opens with a wide shot of a cluttered workshop. A red Craftsman riding lawnmower is positioned on a red hydraulic lift in the center-left of the frame. In the background, another person walks past several other mowers and equipment. The camera, mounted from a first-person perspective, moves towards the lawnmower.\n\n45-135s: The person begins maintenance on the lawnmower's engine. They pick up a new oil filter and a black plastic bottle of Kawasaki brand motor oil. After unscrewing the cap from the oil bottle, they use their finger to apply some fresh oil to the rubber gasket of the new filter. This action prepares the filter for installation by ensuring a proper seal.\n\n135-225s: With the filter prepared, the person reaches underneath the engine block and screws the new yellow-topped oil filter into place by hand. They then grab a grey rag and wipe down the area around the newly installed filter to clean off any drips or grime. Following this, they walk over to a large black tool chest, open a drawer filled with pliers, and select a pair.\n\n225-315s: Using the pliers, the person works on a component near the front wheel of the mower. They then return to the top of the engine, remove the yellow oil dipstick/cap, and begin pouring fresh oil from the black bottle directly into the engine's fill port. They pour a significant amount of oil into the engine.\n\n315-405s: After filling the engine with oil, the person reinserts the dipstick, pulls it out to check the oil level, and then fully secures the cap. They retrieve a socket wrench from the lift platform and use it to tighten a bolt on the side of the engine. Once done, they place the blue cloth that was covering part of the seat back onto the seat.\n\n405-480s: The person notices an oil spill on the concrete floor beneath the mower. They take the blue cloth and wipe the spill. Next, they pick up an air hose with a blow gun nozzle attached. They use the compressed air to blow dust and debris from the engine components and the surrounding area of the lift. Finally, they hang the air hose back on its wall-mounted holder, completing the service task.", "questions": [{"question": "After I screwed the new oil filter into place by hand, what did I use to wipe the spill on the concrete floor beneath the mower?", "options": ["A. the grey rag I had used to clean the filter area", "B. the blue cloth I had draped over the seat", "C. the air hose with the blow gun nozzle attached", "D. the socket wrench retrieved from the lift platform"], "answer": "B", "evidence": "They take the blue cloth and wipe the spill. (blue cloth was covering part of the seat)", "timestamps": "135-225s (filter installation, rag use) and 405-480s (spill cleanup)"}, {"question": "After I used the blue cloth to wipe the oil spill, where had I moved that same cloth from and to when I finished tightening the engine bolt?", "options": ["A. from the lift platform beside the wrench to the engine block top", "B. from covering the mower's seat back to resting on the seat itself", "C. from the black tool chest drawer to the component near the front wheel", "D. from the wall-mounted holder to the concrete floor beneath the mower"], "answer": "B", "evidence": "They place the blue cloth that was covering part of the seat back onto the seat... They take the blue cloth and wipe the spill.", "timestamps": "315-405s and 405-480s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "d4f5a1de-8f70-4ae8-bbfd-5c594e420265", "description": "0-45s: The video begins with a first-person view of a white desk cluttered with items, including a laptop displaying a video, a clear water bottle, a silver thermos, and various small office supplies. The camera is shaky as it adjusts. The view pans to a white wall featuring a thermostat and a fire alarm panel with a red button.\n\n45-90s: The camera moves towards a dark grey door, which is opened. A man wearing a grey t-shirt with a \"RIPCURL\" logo on the back, black shorts, a black cap, and sunglasses is seen walking ahead. He leads the camera person through a hallway with glass walls and industrial-style ceilings.\n\n90-135s: They enter a room with large windows adorned with colorful triangular pennant banners. The man walks towards the window. The camera pans to reveal a bedroom setup with a bed covered in white linens and a blue sofa with white pillows. The man is briefly seen holding a book.\n\n135-180s: The man walks towards a clothing rack with various garments hanging on it. He picks up a black jacket or shirt, examines it, and then hangs it back on the rack. He then moves towards a white shelving unit.\n\n180-225s: The man enters another room, which appears to be a music room. It contains a keyboard on a stand, a snare drum, and posters on the wall. One poster is the \"I WANT YOU FOR U.S. ARMY\" recruitment poster. Another is \"The Great Wave off Kanagawa\".\n\n225-270s: The camera focuses on a white thermostat on the wall displaying \"73.00\" in red digits. The man looks at the keyboard and then presses keys, playing a few notes. He seems to be testing the instrument.\n\n270-315s: The man leaves the music room and walks into a living area. There is a grey sofa with orange pillows and a glass coffee table. He walks past the sofa towards a white bookshelf.\n\n315-360s: He approaches the white bookshelf. On top of it sits a blue JBL speaker. He bends down to look at books on the lower shelves. He picks up a book and flips through the pages.\n\n360-405s: The camera briefly shows a \"We Can Do It!\" poster on the wall. The man continues to look at the book. He then walks away from the bookshelf.\n\n405-450s: He walks back towards the window area where a coffee station is set up. The area is decorated with colorful banners and has a view of trees outside.\n\n450-480s: He stands by the window next to a black coffee maker. He picks up a glass carafe and pours water into the coffee maker. He then places the carafe back on the warmer.", "questions": [{"question": "After I played the keyboard, which did I do first, look at the books on the white bookshelf or pour water into the coffee maker?", "options": ["A. looked at the books on the white bookshelf before pouring water into the coffee maker", "B. poured water into the coffee maker before looking at the books on the white bookshelf", "C. poured water into the coffee maker and did not look at the books on the white bookshelf", "D. looked at the books on the white bookshelf and did not pour water into the coffee maker"], "answer": "A", "evidence": "I played the keyboard at 225-270s, then looked at books on the white bookshelf at 315-360s, and later poured water into the coffee maker at 405-450s.", "timestamps": "225-270s (anchor), 315-360s and 405-450s (asked-about)"}, {"question": "After I played the keyboard, which did I do first, look at the books or pour water into the coffee maker, and what did I see on the wall before I played the keyboard?", "options": ["A. poured water into the coffee maker first and saw the fire alarm panel on the wall", "B. looked at the books on the white bookshelf first and saw the 'We Can Do It!' poster", "C. looked at the books on the white bookshelf first and saw the thermostat on the wall", "D. poured water into the coffee maker first and saw the 'I WANT YOU' poster"], "answer": "C", "evidence": "At 225-270s, I saw the thermostat and played the keyboard. Later I looked at books at 315-360s and poured water at 405-450s.", "timestamps": "225-270s (anchor and thermostat), 315-360s and 405-450s (order)"}, {"question": "When I poured water into the coffee maker, what had I done earlier with the book I flipped through on the white bookshelf?", "options": ["A. carried the book with me to the coffee station and placed it on the counter", "B. gave the book to the man in the grey t-shirt and black cap to hold", "C. placed the book on the blue sofa with white pillows before leaving", "D. left the book on the lower shelf of the white bookshelf and walked away without it"], "answer": "D", "evidence": "I flipped through a book on the white bookshelf at 315-360s and left it there, then later poured water into the coffee maker at 405-450s.", "timestamps": "315-360s and 405-450s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "dcbafb3e-c8d1-43ce-a604-7662da9f2591", "description": "**0-30s:** The video begins with a view inside a wooden kitchen cabinet containing glass jars on the top shelf and a white bowl on the bottom shelf. A hand reaches in and retrieves the white bowl. The camera then pans down to the countertop, revealing a blue bottle of \"Dawn\" dish soap near the sink and a black toaster. The view shifts to the stove, where a pan is sitting on a burner.\n\n**30-60s:** The camera moves to an adjacent cabinet containing white plates on a shelf. It then pans to a third cabinet with mugs on the top shelf. A hand reaches into the middle shelf of this cabinet and retrieves a dark blue lid or plate.\n\n**60-90s:** The person returns to the first cabinet (with the glass jars) and retrieves a clear glass bowl. The camera pans across the kitchen, briefly showing a blue box labeled \"Ziploc\" stored in another cabinet.\n\n**90-120s:** A wider shot shows the kitchen layout with several cabinets open. The camera then focuses on the counter next to the black toaster, where two clear glass bowls are now sitting.\n\n**120-150s:** The camera remains focused on the toaster and bowls for a moment before moving back to the cabinet with the mugs. A hand reaches in and retrieves a small glass jar.\n\n**150-180s:** From the same cabinet, the person retrieves a black plate or lid, followed by another small glass jar. The camera then moves to the sink area.\n\n**180-480s:** For the remainder of the video, the camera is positioned facing the kitchen sink. A blue \"Dawn\" soap bottle is visible on the left side of the sink. A black cup and a grey utensil tray filled with silverware are visible in and around the sink basin. The person appears to be washing dishes, although the specific scrubbing motions are mostly obscured or subtle. The camera remains largely static on this scene. At the very end of the video (around 475s), a hand holds up a clear glass object, likely inspecting it after washing.", "questions": [{"question": "After I had taken the clear glass bowl from the first cabinet, what did I take from the mug cabinet before I ever picked up the black plate?", "options": ["A. A dark blue lid or plate that I took from the cabinet with mugs", "B. The first small glass jar that I took from the cabinet with mugs", "C. A white plate that I took from the adjacent cabinet of plates", "D. A clear glass bowl that I took from the first cabinet with jars"], "answer": "B", "evidence": "60-90s: returns to first cabinet and retrieves a clear glass bowl; 120-150s: retrieves a small glass jar from the mug cabinet; 150-180s: retrieves a black plate or lid after that jar.", "timestamps": "60-90s and 120-180s"}, {"question": "After the camera settled at the sink for the long washing scene, what was the last item I had taken from the mug cabinet, and what was on the left side of the sink while I washed?", "options": ["A. A second small glass jar and the blue Dawn dish soap bottle beside the sink", "B. The clear glass bowl from the first cabinet and the black cup in the sink", "C. The black plate or lid and the grey utensil tray filled with silverware", "D. The dark blue lid or plate and a white plate from the adjacent cabinet"], "answer": "A", "evidence": "150-180s: black plate or lid, then another small glass jar; 180-480s: blue Dawn bottle is visible on the left side of the sink.", "timestamps": "150-180s and 180-480s"}, {"question": "Before the sink scene that lasted for the long washing portion, what had I left on the counter beside the black toaster after the earlier cabinet trips?", "options": ["A. A white bowl and a dark blue lid that I had taken from the cabinets", "B. A black plate or lid and a small glass jar from the mug cabinet", "C. Two clear glass bowls from the first cabinet with the glass jars", "D. A white plate from the plates cabinet and a blue Ziploc box"], "answer": "C", "evidence": "90-120s: two clear glass bowls are sitting on the counter next to the black toaster; 180s onward: sink scene begins.", "timestamps": "60-120s and 180-480s"}, {"question": "After I took the dark blue lid or plate from the cabinet with mugs, what did I remove from the first cabinet before the camera showed the counter with the black toaster?", "options": ["A. A white bowl that was stored on the bottom shelf of the first cabinet", "B. A small glass jar that was taken from the cabinet with mugs", "C. A black plate or lid that was taken from the cabinet with mugs", "D. A clear glass bowl that was taken from the first cabinet with glass jars"], "answer": "D", "evidence": "30-60s: retrieves a dark blue lid or plate; 60-90s: retrieves a clear glass bowl from the first cabinet; 90-120s: two clear bowls are shown beside the toaster.", "timestamps": "30-60s and 60-90s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "df337926-9dbd-4dc6-9029-4a708975d9cb", "description": "0-15s: The video opens on a cluttered wooden workbench in a workshop. On the left, several yellow, sunflower-shaped wooden pieces are scattered next to a roll of masking tape. A hammer and other tools lie on the right side of the bench. A person's hands enter the frame, pick up one of the sunflower shapes, and use a piece of sandpaper to smooth its edges before placing it back down.\n\n15-48s: The camera pans away from the workbench to show more of the workshop floor, revealing stacks of white-painted wood panels leaning against a wall. The person selects a large, irregularly shaped piece of light-colored plywood from the stack and carries it over to the main workbench, setting it down.\n\n48-72s: The person takes a metal compass and uses it to draw two concentric circles onto the surface of the plywood sheet. After drawing the lines, they place the compass into a red plastic case and set it aside. They then pick up the marked plywood and walk over to a scroll saw station.\n\n72-136s: At the scroll saw, the person carefully begins cutting along the outer pencil line on the plywood. They guide the wood steadily through the moving blade, separating a large circular section from the rest of the board. Once the cut is complete, they remove the newly cut circular piece.\n\n136-162s: The person returns to the work area with the cut wood. They take the curved piece of wood that was just cut off and begin sanding its freshly cut edge using a teal-colored electric orbital sander, resting the piece on a small wooden stool for stability.\n\n162-192s: After finishing with the power sander, the person sits at their workbench again. They take a sheet of manual sandpaper and meticulously hand-sand the inner and outer curved edges of the wooden piece, ensuring all surfaces are smooth. In the background, shelves hold various cans of paint, including some labeled \"Minwax.\"", "questions": [{"question": "Before I drew the concentric circles on the plywood, what was the last task I had just finished at the workbench?", "options": ["A. I had sanded the rough edges of the sunflower-shaped wooden pieces", "B. I had cut a circular section out of the plywood using the scroll saw", "C. I had hand-sanded the inner and outer curved edges of the wooden piece", "D. I had selected a large irregularly shaped piece of light-colored plywood"], "answer": "D", "evidence": "15-48s: ...selects a large, irregularly shaped piece of light-colored plywood from the stack and carries it over to the main workbench, setting it down.", "timestamps": "15-48s and 48-72s"}, {"question": "After I finished sanding the sunflower pieces, what did I do with the plywood before drawing circles, and where did I later place it to sand its cut edge?", "options": ["A. I carried it to the workbench, and I later placed it on a small wooden stool", "B. I cut it with a scroll saw, and I later placed it on the main workbench", "C. I drew circles on it, and I later placed it on a stack of white panels", "D. I sanded its edges, and I later placed it on the cluttered bench"], "answer": "A", "evidence": "15-48s: ...carries it over to the main workbench... 136-162s: ...resting the piece on a small wooden stool for stability.", "timestamps": "0-15s and 136-162s"}, {"question": "After I drew circles on the plywood and set the compass aside, where did I rest the cut piece while using the orbital sander, and what did I use later to smooth its edges?", "options": ["A. I rested it on the main workbench, and I used a teal orbital sander", "B. I rested it on a stack of white panels, and I used a metal compass", "C. I rested it on a small wooden stool, and I used manual sandpaper later", "D. I rested it on the cluttered bench, and I used a hammer and tools"], "answer": "C", "evidence": "136-162s: ...resting the piece on a small wooden stool for stability... 162-192s: ...uses a sheet of manual sandpaper and meticulously hand-sands the inner and outer curved edges.", "timestamps": "48-72s and 136-192s"}, {"question": "Before I used the scroll saw to cut the circular piece, what was the last thing I did to the plywood at the main workbench?", "options": ["A. I sanded its edges with a sheet of manual sandpaper to smooth them", "B. I drew two concentric circles onto its surface using a metal compass", "C. I carried it over from the stack of white-painted panels leaning against the wall", "D. I placed it onto a small wooden stool to keep it stable while working"], "answer": "B", "evidence": "48-72s: The person takes a metal compass and uses it to draw two concentric circles onto the surface of the plywood sheet.", "timestamps": "48-72s and 72-136s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "df07231d-c01d-4c18-be0f-cc68fc5dc206", "description": "0-15s: The video begins with a first-person view of a cluttered desk. An Apple iMac is on, displaying a document. A black keyboard and white mouse are present. To the right, a laptop has a white face mask resting on it. On the floor sits a white plastic bag with the blue and yellow \"IKEA\" logo. The person then turns away from the desk, panning up to show a white Samsung air conditioner unit mounted high on the beige wall.\n\n15-30s: The camera continues to pan around the room, showing a hallway leading to other parts of the apartment. It then focuses on a large mirror on the wall, where the reflection shows the person adjusting a black head-mounted camera. Above the mirror, a white fire alarm box with red text reading \"FIRE\" is visible. The person finishes adjusting the camera and turns back towards the main room area.\n\n30-60s: The view returns to the desk area, focusing again on the iMac and the air conditioner. The computer screen content changes from a document to a YouTube page, which then plays a video of a sunset over palm trees. The camera remains relatively still, observing the screen for an extended period before panning left to show more of the bedroom.\n\n60-90s: The camera pans across the bedroom, revealing a bed with rumpled white sheets and a blue blanket. Above the bed's cream-colored, patterned headboard hangs a multi-panel abstract painting. In the corner, there is a dark wood dresser with a mirror above it, next to a tall, dark glass-fronted cabinet. A red backpack rests on the floor beside the dresser. The camera moves towards the bed, offering a closer look at the unmade state.\n\n90-120s: The person begins making the bed. They pull off the crumpled white duvet and the blue blanket, tossing them aside. This action transforms the bed from an unmade state to one with only the fitted sheet remaining. The camera provides various angles of this process, including close-ups of the bare mattress.\n\n120-180s: After stripping the bed, the person retrieves a clean white duvet cover and spreads it smoothly over the mattress. They then take two white pillows and arrange them neatly at the head of the bed. Following this, they pick up the blue blanket seen earlier and spread it evenly over the foot of the newly made bed. The bed is now fully made and tidy.\n\n180-240s: With the bed made, the person walks around the room. The camera pans across the tidy bed, the desk area where a grey jacket is now draped over the office chair, and the general layout of the room. The purpose appears to be inspecting the work or preparing for the next task. The camera briefly shows a blue prayer mat on the floor near the bed.\n\n240-300s: The person moves towards the corner with the dresser and cabinet. The camera focuses on the items in this area, including the red backpack and clothes piled on the office chair. There is no significant interaction with these objects during this time; the movement seems exploratory.\n\n300-360s: The camera moves very close to the wall behind the bed, showing a power outlet with a white adapter plugged in. It then pans back to give a wide view of the now-tidy room, lingering on the made bed and the desk area. The overall state of the room has changed significantly from messy to organized.\n\n360-420s: The person walks back towards the desk. The camera approaches the iMac, which is still on and displaying a solid blue screen. The focus shifts entirely to the desk setup, showing the keyboard, mouse, and various small items like sticky notes and pens.\n\n420-480s: The final minute of the video consists of the person sitting at the desk. The camera angle suggests they are looking directly at the iMac screen. The screen remains a solid blue color. The video ends with this static shot of the computer monitor, implying the person is about to begin working or using the computer after tidying the room.", "questions": [{"question": "After I made the bed and walked around to inspect the room, which item did I focus on that was positioned against the wall near the floor, and what did I do with it immediately afterward?", "options": ["A. I examined the red backpack beside the dresser but did not move it from its spot", "B. I looked closely at the power outlet with a white adapter plugged into it on the wall", "C. I picked up the blue prayer mat that was on the floor near the bed and folded it", "D. I adjusted the black head-mounted camera using the reflection in the large wall mirror"], "answer": "B", "evidence": "The camera moves very close to the wall behind the bed, showing a power outlet with a white adapter plugged in. It then pans back to give a wide view of the now-tidy room.", "timestamps": "300-360s"}, {"question": "Before I began stripping the bed, which of these actions had I already completed?", "options": ["A. Adjusting my head-mounted camera while looking into the mirror", "B. Turning on the iMac to display an open document", "C. Inspecting the power outlet behind the bed", "D. Sitting down at the desk to begin working"], "answer": "A", "evidence": "At 15-30s camera adjustment is shown; the iMac is already on at 0-15s; power outlet inspection is at 300-360s; sitting at desk is at 420-480s.", "timestamps": "15-30s and 0-15s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "dfb0a196-19fb-4543-9736-8e46f16e94f9", "description": "0-45s: The video begins with a first-person view of a person wiping the inside of a black non-stick frying pan with a white paper towel. A white bowl filled with raw, seasoned chicken pieces sits on the stainless steel counter to the right. The person places the wiped pan onto the gas stove burner. They then pick up the bowl of chicken and pour the pieces into the hot pan.\n\n45-135s: The chicken begins to sizzle and cook in the pan. The person uses a pair of metal tongs to move the chicken pieces around, separating them and ensuring even contact with the pan surface. The chicken gradually changes color from raw pink to a cooked white and light brown.\n\n135-180s: The person uses the tongs to grip a folded paper towel and wipes the inside of the pan, likely removing excess oil or browned bits to prepare for the sauce. They continue to cook the chicken, flipping individual pieces over with the tongs to cook the other side.\n\n180-240s: The person picks up a glass measuring cup containing a reddish-brown sauce. They pour the sauce over the chicken pieces in the pan. Using a spoon, they scrape the inside of the measuring cup to get the remaining sauce into the pan.\n\n240-300s: The chicken simmers in the sauce, which begins to bubble and thicken. The person uses the tongs to turn and toss the chicken pieces, ensuring each one is thoroughly coated in the glazing sauce. The sauce reduces and clings to the meat.\n\n300-345s: The cooking is complete. The person uses the tongs to transfer the saucy chicken pieces from the frying pan onto a white serving bowl that features a cartoon character illustration. They arrange the pieces in the bowl.\n\n345-360s: The person reaches for a small red and white packet, opens it, and sprinkles a seasoning (appearing to be sesame seeds or a spice mix) over the plated chicken. They then place the empty packet down.\n\n360-407s: The person takes the dirty frying pan to the sink. They turn on the faucet and begin washing the pan with a sponge and dish soap, scrubbing away the sauce residue. After rinsing, they wipe down the counter area near the sink with a cloth.", "questions": [{"question": "After I transferred the cooked chicken to the serving bowl, what did I do with the frying pan?", "options": ["A. wiped the counter near the sink with a clean cloth", "B. washed the frying pan in the sink using a sponge and dish soap", "C. poured the reddish-brown sauce from the measuring cup into the pan", "D. placed the clean frying pan onto the gas stove burner"], "answer": "B", "evidence": "The person takes the dirty frying pan to the sink. They turn on the faucet and begin washing the pan with a sponge and dish soap.", "timestamps": "300-345s and 360-407s"}, {"question": "After the sauce was poured over the chicken, what did I do to ensure the chicken was thoroughly coated?", "options": ["A. used a spoon to scrape the remaining sauce from the measuring cup", "B. used a paper towel to wipe the inside of the frying pan", "C. used the measuring cup to pour additional sauce over the chicken", "D. used a pair of tongs to toss the chicken pieces in the sauce"], "answer": "D", "evidence": "The person uses the tongs to turn and toss the chicken pieces, ensuring each one is thoroughly coated in the glazing sauce.", "timestamps": "180-240s and 240-300s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "e1c79556-e8af-4e26-bc4c-633100277239", "description": "0-15s: The video opens with a first-person view of someone opening a refrigerator drawer and retrieving a clear plastic bag containing bean sprouts. They then move to the kitchen counter, where they open the bag and pour the bean sprouts onto a white cutting board next to already chopped vegetables (red bell peppers, zucchini, yellow squash).\n\n15-30s: Using a large chef's knife, the person begins chopping the pile of bean sprouts into smaller pieces on the cutting board. After finishing, they use their hand to sweep the chopped sprouts from the board directly into a large aluminum pot that is simmering on the stovetop.\n\n30-45s: The person turns their attention to cleaning up. They gather vegetable scraps from the sink area and place them into a small, clear plastic bag for disposal. They then pick up a black rectangular tray and begin transferring the pre-chopped yellow squash and zucchini slices from the cutting board into it.\n\n45-60s: Continuing to organize the prepared vegetables, the person transfers sliced red bell peppers and eggplant from the cutting board into separate bowls. Once all the vegetables are moved, they take the now-empty cutting board and the used knife to the sink and rinse them under running water.\n\n60-75s: The person thoroughly washes the knife and cutting board in the sink using a yellow sponge and dish soap. After rinsing both items clean, they place them in the dish rack to dry before turning back to the stove.\n\n75-90s: At the stove, the person uses wooden chopsticks to stir green okra pods boiling in a frying pan. They then switch to stirring the contents of the large aluminum pot with a wooden spoon. After checking both, they remove the okra from the pan and place it on the clean cutting board.\n\n90-105s: The person rinses the frying pan in the sink and sets it aside. They then proceed to chop the cooked okra on the cutting board into smaller, bite-sized pieces. Once finished, they transfer the chopped okra into a small glass bowl.\n\n105-120s: The person cleans up the workspace by wiping down the counter and putting away unused ingredients. They retrieve a package of what appears to be curry roux blocks from a nearby cabinet.\n\n120-135s: Standing at the stove, the person unwraps the curry roux block and adds it to the simmering pot, using a wooden spoon to scrape out any remaining bits from the packaging. They stir the pot continuously as the roux dissolves into the stew.\n\n135-150s: The person continues to stir the pot, ensuring the curry base is fully incorporated. The camera pans around the kitchen, showing the organized prep station with bowls of colorful vegetables ready to be added later.\n\n150-165s: The focus remains on the pot as the person stirs the thickening curry. Steam rises from the pot, indicating it is hot and cooking properly. The surrounding countertop holds all the prepped ingredients neatly arranged.\n\n165-180s: The person checks the consistency of the curry by lifting the spoon. Satisfied, they set the spoon down momentarily. The scene shows the full kitchen setup: the main pot on one burner, an empty pan on another, and the array of prepared vegetables waiting.\n\n180-195s: The person resumes stirring the pot gently. The camera angle shifts slightly, providing a clearer view of the bubbling curry inside the large aluminum pot. The environment suggests a methodical and practiced cooking process.\n\n195-210s: A brief pause occurs as the person observes the pot. The steam intensifies, suggesting the heat may have been increased. All other tasks seem complete, and the focus is now solely on allowing the curry to simmer.\n\n210-225s: The person picks up the wooden spoon again and gives the pot another good stir. The motion is deliberate, ensuring nothing sticks to the bottom. The kitchen remains tidy despite the active cooking.\n\n225-240s: The camera captures the person\u2019s hands resting near the pot while they monitor the cooking progress. No new actions occur; this period is dedicated to letting the flavors meld together.\n\n240-255s: Another round of stirring ensues. The person lifts the spoon to check the texture once more. The curry appears smooth and well-blended. The prepared vegetables sit untouched, awaiting their turn to be added.\n\n255-270s: The person seems satisfied with the current state of the curry. They step back slightly, giving the pot space to continue simmering. The ambient sounds of bubbling liquid dominate the audio.\n\n270-285s: The individual returns to stir the pot one last time during this segment. Their movements are relaxed, indicating confidence in the recipe. The kitchen lighting casts a warm glow over the entire scene.\n\n285-300s: As the curry simmers, the person takes a moment to glance at the prepared vegetables. There is no immediate action taken; instead, they appear to be planning the next steps of adding these components to the dish.\n\n300-315s: The person reaches for the bowl of chopped okra but hesitates, possibly deciding whether to add it now or wait. The decision-making process is visible through their paused gesture.\n\n315-330s: Ultimately, the person decides against adding the okra yet. They set the bowl back down and return their attention to the pot, resuming gentle stirring to maintain even heating.\n\n330-345s: The simmering continues uninterrupted. The person occasionally glances between the pot and the prep station, mentally organizing the sequence for incorporating the remaining ingredients.\n\n345-360s: With the curry nearing completion, the person prepares to add the final touches. They reach for the bowl of mixed vegetables\u2014zucchini, squash, and peppers\u2014and position themselves to incorporate them into the dish.\n\n360-375s: The person carefully pours the mixed vegetables into the pot, distributing them evenly throughout the curry. They immediately begin stirring to combine everything thoroughly.\n\n375-390s: Stirring becomes more vigorous as the person ensures all the newly added vegetables are submerged in the sauce. The colors of the vegetables contrast beautifully against the rich brown curry.\n\n390-405s: The person reduces the stirring pace, allowing the vegetables to cook gently in the hot curry. They lift the spoon periodically to check if the vegetables are softening appropriately.\n\n405-420s: The curry continues to bubble softly. The person stands back, observing the dish as it finishes cooking. The aroma likely fills the kitchen, though not audible in the visual description.\n\n420-435s: Final adjustments are made as the person tastes a small amount of the curry (implied by typical cooking behavior). Based on taste, they might consider adding seasoning, though no such action is explicitly shown here.\n\n435-450s: The person gives the pot one last thorough stir before stepping away. The curry looks complete, with tender vegetables suspended in a flavorful sauce. The kitchen remains orderly throughout the entire process.\n\n450-465s: The individual begins tidying up further, perhaps preparing serving dishes or clearing excess items from the counter. The primary cooking task has concluded successfully.\n\n465-480s: In the final moments, the person surveys their work\u2014the steaming pot of curry, the clean countertops, and the organized prep area. The video ends with a sense of accomplishment and readiness to serve the meal.", "questions": [{"question": "What did I chop first on the cutting board, and where did I put the chopped pieces?", "options": ["A. Bean sprouts, and I added them to the pot.", "B. Bean sprouts, and I placed them in a bowl.", "C. Okra, and I added them to the pot.", "D. Okra, and I placed them in a glass bowl."], "answer": "A", "evidence": "The person chops bean sprouts at 15-30s and sweeps them into the pot at 30s. Later, they chop okra at 90-105s and transfer it to a small glass bowl.", "timestamps": "15-30s and 30s"}, {"question": "After I added the mixed vegetables to the curry, where was the bowl of chopped okra that I had set aside earlier without adding it?", "options": ["A. I left the bowl of chopped okra on the counter next to the pot of simmering curry.", "B. I stored the bowl of chopped okra inside the refrigerator where the bean sprouts had been.", "C. I placed the bowl of chopped okra in the sink among the dishes I had rinsed earlier.", "D. I set the bowl of chopped okra on the cutting board where I had chopped the okra."], "answer": "A", "evidence": "After hesitating, the person sets the bowl of chopped okra back down on the counter (315-330s) and later adds the mixed vegetables to the curry (360-375s), leaving the bowl untouched on the counter.", "timestamps": "315-330s and 360-375s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "dfcdb6d0-8467-46a5-b571-f914f27be0f5", "description": "0-12s: The video begins with a first-person view of a person in a blue sweater standing on a wooden floor. They reach towards a beige leather sofa where several garments are piled, including a maroon item and a light blue shirt. The person picks up a black and white plaid flannel shirt from the pile.\n\n12-36s: The person lays the wrinkled plaid shirt onto an ironing board covered with a white cloth featuring a blue floral pattern. They use their hands to smooth out the fabric, preparing it for ironing. A red, grey, and silver electric iron is then used to press the back yoke area of the shirt.\n\n36-72s: After pressing the initial section, the person lifts the shirt, repositions it on the ironing board, and carefully aligns one of the sleeves. They proceed to iron the sleeve from the shoulder down to the cuff, using steady strokes.\n\n72-96s: Once the first sleeve is complete, the person flips the entire shirt over. They lay the front of the shirt flat on the board, smoothing it out before beginning to iron the main body panel on this side.\n\n96-144s: The ironing continues across the front of the plaid shirt. The person methodically moves the iron back and forth, covering the chest and stomach areas to remove wrinkles. They occasionally pause to adjust the fabric's position.\n\n144-180s: The person focuses on ironing the second sleeve of the plaid shirt. They extend the sleeve along the narrow end of the ironing board and run the hot iron along its length, ensuring it is smooth.\n\n180-216s: With both sleeves done, the person irons the remaining sections of the plaid shirt's body, including the other side of the front panel and around the button placket. They ensure all parts of the garment have been pressed.\n\n216-252s: The ironing of the plaid shirt is completed. The person lifts the now-smooth shirt off the board, folds it neatly, and places it back onto the beige sofa next to the other clothes.\n\n252-288s: The person returns to the ironing board and retrieves the next item: a light blue and white finely striped or checked button-down shirt. They unfold it and spread it across the ironing board, starting by smoothing out the collar and shoulder area.\n\n288-336s: Ironing of the blue striped shirt commences. The person starts with the back yoke, then moves to one of the sleeves, laying it flat and running the iron from top to bottom.\n\n336-384s: The person continues working on the blue shirt, flipping it to access the front panels. They carefully iron around the buttons and down the length of the shirt's body, keeping the fabric taut with their free hand.\n\n384-432s: Attention shifts to the second sleeve of the blue striped shirt. It is positioned on the ironing board and pressed thoroughly. The person then works on the lower part of the shirt's body, ensuring no creases remain.\n\n432-480s: In the final segment, the person performs finishing touches on the blue striped shirt. They do a final pass over the front panels and hem. The video concludes as they lift the fully ironed blue shirt from the board.", "questions": [{"question": "Which shirt did I iron first, and what did I do with it after ironing?", "options": ["A. I ironed the plaid shirt first, and after ironing I folded it and placed it on the sofa.", "B. I ironed the blue striped shirt first, and after ironing I folded it and placed it on the sofa.", "C. I ironed the plaid shirt first, and after ironing I left it on the ironing board.", "D. I ironed the blue striped shirt first, and after ironing I left it on the ironing board."], "answer": "A", "evidence": "The video begins with a first-person view of a person picking up a black and white plaid flannel shirt from the pile. After ironing, the person lifts the now-smooth shirt off the board, folds it neatly, and places it back onto the beige sofa.", "timestamps": "0-12s and 216-252s"}, {"question": "What was the state of the blue striped shirt before I started ironing it, and what did I do with it after ironing?", "options": ["A. It was on the sofa pile, and after ironing I placed it back on the sofa.", "B. It was on the ironing board, and after ironing I lifted it from the board.", "C. It was on the ironing board, and after ironing I placed it on the sofa.", "D. It was on the sofa pile, and after ironing I lifted it from the board."], "answer": "D", "evidence": "The pile on the sofa includes a light blue shirt (0-12s). The video concludes as the person lifts the fully ironed blue shirt from the board (432-480s).", "timestamps": "0-12s and 432-480s"}, {"question": "After I finished pressing the plaid shirt and set it aside, which section of the blue striped shirt did I begin smoothing out first?", "options": ["A. the back yoke area of the shirt while it lay flat", "B. the collar and shoulder area of the shirt", "C. the first sleeve from shoulder down to cuff", "D. the front panel around the buttons and body"], "answer": "B", "evidence": "The person unfolds the blue shirt and starts by smoothing the collar and shoulder area (252-288s).", "timestamps": "216-252s (plaid completed) and 252-288s (blue shirt start)"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "d991c63e-d4c6-46ee-820d-11286c989a8e", "description": "0-45s: A man with dark hair, a beard, and glasses, wearing a green t-shirt with a graphic print, sits on a grey sofa in a modern living room. He is engaged in conversation, gesturing with his hands. In front of him is a glass coffee table with a water bottle and other small items. The room features large windows letting in natural light, exposed ceiling pipes, and a sign on the wall reading \"chris\".\n\n45-90s: The man stands up from the sofa and walks towards a kitchen area located near the windows. The camera follows him. On a white shelving unit, various snacks are visible, including a package of \"Smartly\" brand paper napkins, a box of cereal, a bag of \"Tortilla Chips\", and a loaf of bread. He opens a white mini-fridge, revealing contents like eggs, cheese, and drinks. He then prepares coffee, pouring hot liquid from a black coffee maker into a teal mug with a gold base. He stirs the coffee.\n\n90-135s: The man walks back to the living room area, carrying the teal mug. He sits back down on the grey sofa. He picks up a white paper plate from the coffee table and places it on his lap. He takes a bagel or bread roll from the table and eats it. The camera operator also holds a teal mug and takes a drink. The man continues to talk and eat.\n\n135-180s: The man relaxes on the sofa, adjusting a silver sequined pillow behind him. The camera pans around the room, showing a white TV stand with a Sony television, a potted plant, a full-length mirror leaning against the wall, and a blue yoga mat on the floor. The camera then focuses back on the coffee table where a box for a \"Connect 4\" game is placed.\n\n180-225s: The man reaches for the Connect 4 box. He removes the blue plastic grid and the red and yellow game pieces. He assembles the grid by attaching the blue leg supports to the bottom. He places the assembled grid upright on the glass coffee table, ready for play.\n\n225-270s: The game begins. The man drops a yellow disc into the grid. The camera operator's hand enters the frame and drops a red disc. They continue taking turns, dropping discs into the columns. The man smiles and laughs as he plays.\n\n270-315s: The game continues with both players adding discs to the grid. The columns fill up from the bottom. The man appears focused but relaxed, occasionally looking at the camera operator.\n\n315-360s: More turns are taken. The grid is becoming increasingly full. The man and the camera operator strategize their moves, hovering their hands over the top of the grid before dropping the discs.\n\n360-405s: The game progresses further. The man drops several yellow discs in succession. The camera operator responds with red discs. The tension builds as the grid nears capacity.\n\n405-450s: The final moves of the game are made. The man drops a yellow disc, potentially winning or blocking a win. The camera operator drops a red disc. The grid is now almost completely filled with alternating red and yellow discs.\n\n450-480s: The game concludes. The man smiles broadly and laughs, reacting to the outcome of the game. He leans back on the sofa, looking satisfied. The video ends with the man still seated on the couch, the completed Connect 4 grid standing on the table between them.", "questions": [{"question": "After I returned to the sofa carrying the teal mug, what did I place on my lap before eating?", "options": ["A. the teal mug with a gold base that I carried from the kitchen", "B. the assembled Connect 4 grid with the blue leg supports attached", "C. the white paper plate I took from the coffee table", "D. the silver sequined pillow that I later adjusted behind my back"], "answer": "C", "evidence": "He picks up a white paper plate from the coffee table and places it on his lap.", "timestamps": "45-90s and 90-135s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "df35b8b5-53cc-4e2b-94e6-681ceaa18b82", "description": "0-38s: The video begins with a first-person view of someone at a white utility sink in a tiled room, likely a laundry area. The person is wearing a red and black striped sweater. They are washing a grey cloth under running water from a chrome faucet. On the left side of the sink, there are several cleaning product bottles, including a large blue one and a pink one, as well as a red plastic basket containing other items. After thoroughly rinsing and wringing out the cloth, the person turns off the tap.\n\n38-102s: The person dries their hands on a separate towel, then leaves the laundry room and walks down a hallway with wooden floors into a bedroom. The bedroom has an unmade bed with clothes piled on it, a wooden dresser, and a round patterned stool. The person picks up a pair of black pants from a pile of laundry, folds them neatly, and places them on the bed. They then pick up another item of clothing and fold it as well.\n\n102-146s: After folding some clothes, the person walks to the kitchen area, which has a double stainless steel sink filled with dishes. They open a cabinet under the counter and retrieve a spray bottle labeled \"MANI E SUPERFICI\" (Hands and Surfaces) and a grey cloth. With these cleaning supplies in hand, they walk back into the bedroom.\n\n146-239s: In the bedroom, the person begins dusting. First, they wipe down a black storage box, then the round patterned stool. Next, they move to a small black table, clearing away papers and a stuffed Minnie Mouse toy before wiping the surface clean. They proceed to the main wooden dresser, opening a drawer to put away some items before dusting the top surface. They carefully move objects like a book titled \"Rodari,\" a purple feather boa, and a blue coral-like jewelry holder to clean underneath them.\n\n239-307s: The person continues to tidy the dresser, moving a stack of papers and a small decorative rose. After wiping the entire surface, they return the jewelry holder and other items to their places. They then walk over to the bedside table, which is cluttered with books, a remote control, and various small containers. They pick up a book by Teresa Ciabatti titled \"LA PI\u00d9 ALTA\" and a remote, set them aside, and begin wiping the nightstand's surface.\n\n307-350s: The person takes the now-dusty grey cloth and walks out onto the balcony. From the high-rise balcony, a street scene with cars and buildings is visible. A sign for \"G.M.\" can be seen on a building across the street. The person shakes the cloth vigorously over the railing to remove the dust. They also shake out a small rug that was on the floor.\n\n350-432s: Returning inside, the person tidies the bedside table further, rearranging books and other small items. They wipe down the surface again around the objects. Finally, they take the grey cloth one last time, go back out to the balcony, give it another shake, and then re-enter the room, concluding the cleaning sequence.", "questions": [{"question": "After I shook the small rug on the balcony, I returned to the bedside table. Which surface had I dusted immediately before the wooden dresser?", "options": ["A. the round patterned stool that I wiped with a grey cloth", "B. the small black table that I cleared of papers and toys", "C. the wooden dresser that I tidied and dusted carefully", "D. the bedside table that I wiped after returning inside"], "answer": "B", "evidence": "The dusting order proceeds from the black storage box to the round stool, then the small black table, then the wooden dresser, and finally the bedside table.", "timestamps": "146-239s (dusting small black table) and 307-350s (balcony rug shake)"}, {"question": "After I finished dusting the wooden dresser, I walked to the bedside table. What had I done with the grey cloth before I began dusting the black storage box?", "options": ["A. washed it under the running tap in the laundry room", "B. dried my hands on it after leaving the laundry room", "C. folded it together with the black pants on the bed", "D. shook it vigorously over the railing on the balcony"], "answer": "A", "evidence": "At the start of the video, a grey cloth is rinsed and wrung out under the faucet in the laundry room; later it is used for dusting.", "timestamps": "0-38s (washing cloth) and 146-239s (dusting black storage box)"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "e1aa7a9e-f231-4c47-9361-d5763b1f0452", "description": "0-45s: The video begins with a first-person view of a person working at a cluttered workbench in a workshop. They are assembling the engine of an orange and black string trimmer. The person is attaching a silver carburetor to the engine block, using their hands to align it and secure it. Various tools and parts, including a green impact driver, screwdrivers, and plastic bags of components, are scattered on the bench.\n\n45-90s: The person picks up a green and black impact driver and uses it to tighten the screws securing the carburetor to the engine. They work methodically, ensuring the carburetor is firmly attached. After securing the carburetor, they place the impact driver down on the bench.\n\n90-135s: The person attaches the black plastic air filter base and then the orange pull-start housing cover over the engine. They align the housing and press it into place, completing the main assembly of the engine top end. The trimmer is now mostly assembled on the workbench.\n\n135-180s: The person picks up the assembled trimmer and moves slightly away from the bench. They manipulate the choke lever and the primer bulb on the side of the engine. They pull the starter cord several times in an attempt to start the engine, but it does not appear to catch or run smoothly yet.\n\n180-225s: Continuing the start attempts, the person holds the trimmer in a standing position and pulls the starter cord repeatedly. They adjust the choke lever again, trying to get the engine to fire. They seem to be troubleshooting why it isn't starting properly.\n\n225-270s: The person returns the trimmer to the workbench. They pick up a small screwdriver with a green handle and begin adjusting the tuning screws on the carburetor. They make small turns, likely adjusting the fuel mixture or idle speed. They also use a pair of red-handled pliers to adjust a fuel line clip or hose connection near the carburetor.\n\n270-315s: The person removes the orange fuel cap from the translucent fuel tank. They inspect the fuel lines inside the tank, using a screwdriver to push or adjust them. They appear to be checking for blockages or ensuring the lines are properly seated. They then screw the fuel cap back on.\n\n315-360s: Further adjustments are made to the carburetor using the screwdriver. The person carefully turns the screws, fine-tuning the engine settings. They also check the spark plug area and ensure all connections are secure before attempting to start it again.\n\n360-405s: The person takes the trimmer to the garage door threshold, moving from the indoor workshop to the outside concrete area. They hold the trimmer in a ready position and pull the starter cord. The engine starts and runs. They rev the engine a few times to test its performance.\n\n405-430s: The person continues to run the trimmer near the garage door, listening to the engine sound and ensuring it runs smoothly. They hold the trimmer steady, allowing it to idle. Satisfied with the start, they prepare to move it.\n\n430-450s: The person walks back into the workshop, carrying the running trimmer. They place the trimmer down on a red rolling stool with \"Snap-on\" written on it. They then walk away from the stool towards the storage shelves.\n\n450-480s: The person walks over to a green metal shelving unit stacked with boxes. They reach for a white and orange box labeled \"STIHL\" and pull it off the shelf. They open the box and remove a silver metal fuel can. Holding the can, they walk back towards the trimmer on the stool, presumably to refuel it.", "questions": [{"question": "After I had attached the orange pull-start housing over the engine, what did I do with the trimmer before I adjusted the carburetor tuning screws?", "options": ["A. I removed the orange fuel cap and inspected the fuel lines inside the tank", "B. I pulled the starter cord repeatedly and adjusted the choke lever on the engine", "C. I carried it to the garage door and revved the engine a few times outside", "D. I set it on the red stool and walked to the green shelving unit for a box"], "answer": "B", "evidence": "The person pulls the starter cord several times in an attempt to start the engine, and adjusts the choke lever again.", "timestamps": "90-135s and 135-225s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "d7b8f461-db42-4365-9f89-83f923528293", "description": "**0-45s: Ingredient Preparation**\nThe video begins with a view of a kitchen counter. The person places a white cutting board with red corners on the counter. They take a white onion, peel it, and begin slicing it into rings using a yellow-handled knife. The sliced onions are gathered on the cutting board. Visible on the counter are other ingredients: a package of green vegetables (likely bell peppers or cucumbers), a package of mushrooms, two red tomatoes, and a bowl containing raw meat.\n\n**45-90s: Cooking Onions and Prepping Mushrooms**\nThe person moves to the stove, where a black frying pan is heating on the burner. They pour oil from a small bottle into the pan. Using the knife, they scrape the sliced onions from the cutting board into the hot pan. They use wooden chopsticks to stir the onions as they begin to cook. Meanwhile, they return to the counter and open a plastic package of mushrooms (appearing to be shimeji or similar), placing them on the cutting board.\n\n**90-135s: Cooking Mushrooms and Slicing Meat**\nThe person chops the mushrooms into smaller pieces on the cutting board. They then transfer the chopped mushrooms into the frying pan with the onions and continue to stir the mixture with chopsticks. Next, they take a piece of raw red meat from a white bowl and place it on the cutting board. They slice the meat into thin strips using the yellow-handled knife.\n\n**135-180s: Adding Meat and Initial Cleanup**\nThe sliced meat is added to the frying pan. The person stirs the meat, onions, and mushrooms together. Once the meat is partially cooked, they take the dirty cutting board and knife to the sink. They rinse them under running water and scrub them with a sponge to remove food residue.\n\n**180-240s: First Water Addition Cycle**\nThe person retrieves a rectangular box (likely curry roux) and examines it, reading the instructions printed on the side. They take a clear plastic cup, fill it with water from the tap, and pour the water into the frying pan. They stir the contents of the pan with chopsticks. Afterward, they wash their hands at the sink.\n\n**240-300s: Second Water Addition Cycle**\nThe person continues to monitor the cooking process. They wash the cutting board and knife again, rinsing them thoroughly and placing the knife in the drying rack. They return to the stove and stir the pan. They retrieve the curry box again, read the instructions, and prepare another cup of water.\n\n**300-360s: Third Water Addition Cycle**\nWater is poured from the cup into the pan. The person stirs the mixture, ensuring the ingredients are well combined. They wash their hands again. They proceed to wash the cutting board and knife once more, rinsing them and placing them in the drying rack.\n\n**360-420s: Fourth Water Addition Cycle**\nThe person stirs the pan contents, which now appear to be simmering in a liquid broth. They open a drawer below the counter, possibly retrieving another ingredient or tool, though the action is brief. They hold the curry box again, seemingly double-checking the instructions or the contents (a yellow block or mold is visible inside).\n\n**420-480s: Final Adjustments**\nThe person places the box on the counter. They take the plastic cup, fill it with water from the tap, and prepare to add it to the pan. The video concludes with the person holding the cup near the sink, having just filled it, while the pan continues to simmer on the stove. The tomatoes remain whole on the counter throughout the entire video.", "questions": [{"question": "After I had poured the fourth cup of water into the pan, where was the yellow-handled knife that I had used to slice the meat earlier?", "options": ["A. It was lying on the counter next to the two whole tomatoes.", "B. It was resting in the drying rack after being washed and scrubbed.", "C. It was tucked inside the drawer that I had opened near the end.", "D. It was sitting in the frying pan with the meat and mushrooms."], "answer": "B", "evidence": "They proceed to wash the cutting board and knife once more, rinsing them and placing them in the drying rack.", "timestamps": "300-360s (washing) and 360-420s (fourth cup)"}, {"question": "After I had added the third cup of water to the pan, what was the state of the tomatoes that I had seen on the counter at the beginning of the video?", "options": ["A. They had been sliced and added to the pan along with the meat.", "B. They had been chopped and placed in the frying pan to cook.", "C. They had been washed and placed in a bowl for later use.", "D. They stayed whole and untouched on the counter throughout the video."], "answer": "D", "evidence": "The tomatoes remain whole on the counter throughout the entire video.", "timestamps": "0-45s (initial view) and 300-360s (third water addition)"}, {"question": "After I had added the mushrooms to the pan, what did I do with the raw meat, and after I had sliced the meat, what did I do with the cutting board?", "options": ["A. Sliced the meat and then washed the cutting board clean.", "B. Placed the meat on the board and then dried the board with a cloth.", "C. Took the meat from the bowl and placed the board in the drying rack.", "D. Added the meat to the pan and scrubbed the board with a sponge."], "answer": "A", "evidence": "The sliced meat is added to the frying pan. ... they take the dirty cutting board and knife to the sink. They rinse them and scrub them with a sponge.", "timestamps": "45-90s (mushroom addition) and 135-180s (meat slicing and washing)"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "e0b0ee85-ad8f-47de-ba8b-35c147d84f1c", "description": "0-48s: The video begins with a first-person perspective of someone walking on a dark floor next to a patterned rug. The camera pans up to reveal a man wearing a black \"Guns N' Roses\" t-shirt, sunglasses, and a green lanyard. He is in a bedroom with large windows letting in daylight. He approaches a bed covered in a white waffle-knit duvet and begins to smooth it out, preparing to make the bed.\n\n48-96s: The man continues arranging the bedding. He picks up a grey, shaggy throw blanket and spreads it across the foot of the bed, carefully smoothing it out to lie flat. He then returns to the top of the bed to adjust the pillows and the main white duvet, ensuring the layers are neat and aligned.\n\n96-144s: Having finished making the bed, the man steps back to inspect his work. He turns his attention to the wall above the headboard, where three framed abstract art pieces are hanging. He gestures towards the artwork, appearing to admire or explain the arrangement. He then shifts his focus to the bedside tables flanking the bed.\n\n144-192s: The man inspects the items on the nightstands. On the left table, there is a white lamp, a small potted plant, and a stack of books with red spines. He reaches out and touches the books. On the right table, there is another lamp, a small clock, and a candle. He briefly checks a device in his hand, possibly a phone, while looking around the room.\n\n192-240s: The man leaves the bedroom area and walks past a closet section where a teal long-sleeved shirt is hanging on a rack. He enters a larger, open-plan living space with dark polished floors and expansive windows. The transition marks a move from the private sleeping area to a communal or recreational zone.\n\n240-288s: He walks through the living area, passing a white shelving unit set up as a snack station. Several paper bowls containing crackers, chips, and dip are arranged on the shelves. He glances at the food and then walks past a glass partition divider that separates sections of the room.\n\n288-336s: The man stands near a doorway where a white cabinet labeled \"CINTAS First Aid Center\" is mounted on the wall. Below it is a ZOLL AED unit. He looks around the room and appears to be speaking, possibly addressing the camera or someone nearby. He seems to be giving a tour or explaining the layout of the space.\n\n336-384s: He moves towards a seating area furnished with grey sofas and a glass coffee table. In the corner, a home gym setup is visible, featuring a yellow stability ball, a weight bench, and rolled-up purple and blue yoga mats stored in a wire basket. He sits on the sofa briefly, then stands up near the coffee table, adjusting his black patterned shorts.\n\n384-432s: The man walks over to the gym area. He bends down and picks up a pair of small blue dumbbells. He stands in front of the large window and begins performing bicep curls, lifting the weights up and down in a controlled manner.\n\n432-480s: After finishing the dumbbell exercises, he places them down. He then reaches into the wire basket containing the yoga mats and pulls out a blue resistance band with black handles. He holds the handles in both hands, stretching the band slightly and positioning himself to begin a new exercise routine.", "questions": [{"question": "After I left the bedroom, I walked past a closet with a teal shirt. Earlier, what item did I touch on the left nightstand?", "options": ["A. the white lamp with a small shade on the left nightstand", "B. the stack of books with red spines on the left nightstand", "C. the small potted plant in a ceramic pot on the left nightstand", "D. the small clock on the right nightstand"], "answer": "B", "evidence": "144-192s: He reaches out and touches the books on the left nightstand. 192-240s: He leaves the bedroom, passing a closet with a teal long-sleeved shirt hanging.", "timestamps": "144-192s and 192-240s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "e2884f64-995a-4501-85a2-b75c958f3e5a", "description": "0-30s: The video opens with a first-person view of a person chopping green onions on a white cutting board in a kitchen. To the left is a stainless steel sink containing a small glass bowl of broccoli florets and other dishes. On the counter, there are various ingredients including a package of what appears to be ground meat, an egg, and shiso leaves. The person uses a black-handled knife to finely chop the green onions.\n\n30-60s: After finishing chopping, the person picks up the cutting board and scrapes the chopped green onions into a pot simmering on the stove. The pot already contains water and some round, light-colored items, possibly potatoes or fish balls. They then return to the sink area, place the cutting board down, and begin washing it with a green sponge under running water.\n\n60-90s: The person thoroughly rinses the cutting board and places it back on the counter. They then pick up the knife and wash it as well, scrubbing both sides before rinsing it under the tap. After cleaning the utensils, they move back to the stove and stir the contents of the pot with a ladle.\n\n90-120s: The person cracks an egg into a small metal bowl using chopsticks to help break the shell. They then whisk the egg vigorously with the chopsticks until the yolk and white are fully combined. Holding the bowl over the pot, they slowly pour the beaten egg into the simmering soup while gently stirring with the chopsticks to create ribbons of cooked egg throughout the dish.\n\n120-150s: Once the egg is incorporated, the person sets the empty bowl aside and stirs the soup one last time. They then turn off the burner and walk away from the stove toward a cabinet. Opening the cabinet door, they take out two white ceramic bowls with blue patterns around the rim and place them on the dining table nearby.\n\n150-180s: Returning to the kitchen counter, the person retrieves a plastic-wrapped block of rice from the refrigerator drawer. Using chopsticks, they carefully separate portions of the rice and divide them evenly between the two prepared bowls. The rice is soft and slightly sticky, indicating it was recently cooked or reheated.\n\n180-210s: Next, the person takes the bowl of blanched broccoli florets from the sink area and begins transferring them into the serving bowls alongside the rice. They use their fingers to arrange the broccoli neatly, ensuring each bowl receives an equal amount. Any remaining pieces are placed back into the strainer for later use.\n\n210-240s: With the main components plated, the person reaches for a container of sauce stored in the refrigerator. They open the fridge, select a small jar with a teal lid, and bring it back to the counter. Although the label isn't clearly visible, the action suggests preparation for seasoning or garnishing the meal.\n\n240-270s: The individual then focuses on preparing additional garnishes. They retrieve fresh shiso leaves from the counter and begin slicing them thinly on the cutting board. Each leaf is cut lengthwise into narrow strips, likely intended as a decorative topping for the rice bowls.\n\n270-300s: Finally, the person arranges the sliced shiso leaves atop the rice in each bowl, adding a pop of color and flavor. They step back momentarily to assess the presentation before moving towards the dining area again, presumably to serve the completed meal. Throughout this sequence, all tools and containers remain organized within reach, reflecting efficient workflow management.", "questions": [{"question": "After I added the chopped green onions to the soup, which of these tasks did I do first?", "options": ["A. I took the block of rice from the refrigerator and divided it with chopsticks", "B. I transferred broccoli florets from the sink to the two serving bowls", "C. I retrieved the sauce jar with the teal lid from the fridge", "D. I cracked an egg into a small metal bowl and whisked it with chopsticks"], "answer": "D", "evidence": "The timestamped order after adding green onions is: washing utensils (60-90s), then cracking and whisking the egg (90-120s), then retrieving rice (150-180s), then broccoli (180-210s), then sauce (210-240s).", "timestamps": "30-60s and 90-120s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "e359eb39-d0cb-4e4f-9404-58fca7a0d5b4", "description": "0-120s: The video opens with a first-person perspective of a person sitting on the floor, kneading a shaggy mass of dough inside a large silver bowl. To the left sits a blue plastic cup, and to the top left is a black plate holding a pile of white flour. To the right, a silver plate holds chopped onions and a metal spoon. The person uses their right hand to press and fold the dough repeatedly. At approximately 24 seconds, the person picks up the blue cup with their left hand and pours water into the dough to adjust consistency, then resumes kneading. The dough gradually transforms from a crumbly mixture into a smooth, cohesive ball. By 90 seconds, the person begins breaking off small portions of the dough and rolling them into small, uniform balls, placing them back into the silver bowl.\n\n120-210s: The person continues to form the small dough balls until the bowl is filled with them. Around 165 seconds, they move a black, octagonal rolling board onto the floor in front of them. At 186 seconds, the person reaches for the knob of a gas stove to their right, where a pan containing chopped green vegetables (okra) is already sitting. They ignite the burner, creating a blue flame, and place a flat, black frying pan (tawa) on the lit burner. At 195 seconds, they use a yellow cloth to wipe the surface of the hot tawa. Shortly after, at 198 seconds, another person's hand enters the frame from the left and adds the chopped onions from the silver plate into the pan with the green vegetables. The main person then uses a spatula to stir the vegetables.\n\n210-300s: After wiping the tawa and setting the cloth aside, the person turns their attention back to the silver bowl. The bowl now contains the small dough balls and a pile of white flour (which appears to have been transferred from the black plate earlier). At 240 seconds, the person picks up one of the dough balls, dips it into the flour to coat it lightly, and then rolls it between their palms to smooth it into a perfect sphere. This process of taking a ball, coating it in flour, and rolling it is repeated for the remaining dough balls. The black rolling board remains on the floor, ready for the next step of rolling out the flatbreads.", "questions": [{"question": "Earlier I had a pile of flour on a black plate. Later, when I was coating the dough balls, where had the flour ended up?", "options": ["A. on the black plate", "B. on the rolling board", "C. in the blue cup", "D. in the bowl with the dough balls"], "answer": "D", "evidence": "The bowl now contains the small dough balls and a pile of white flour (which appears to have been transferred from the black plate earlier).", "timestamps": "0-120s (flour on plate) and 210-300s (flour in bowl)"}, {"question": "After I poured water from the blue cup to adjust the dough, what did I do with the black rolling board?", "options": ["A. I moved it onto the floor in front of me", "B. I wiped the tawa with a yellow cloth", "C. I added onions to the vegetables", "D. I coated the dough balls in flour"], "answer": "A", "evidence": "At 165 seconds, they move a black, octagonal rolling board onto the floor in front of them.", "timestamps": "24s (pouring water) and 165s (moving rolling board)"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "e7209191-7ff6-42bf-bf49-500df0ecb1bc", "description": "0-36s: The video begins with a first-person view of someone walking across a tiled floor towards a low wooden cabinet. They reach down and open a blue plastic bag containing white grains (likely rice). Using their hands, they scoop the rice from the bag into a black pot held in their left hand.\n\n36-72s: The person moves to a kitchen drawer, opening it to reveal stacked white ceramic bowls and plates. They hold the black pot over one of the white bowls inside the drawer and use their right hand to transfer the rice from the pot into the bowl. Once transferred, the black pot is empty.\n\n72-108s: Returning to the low cabinet, the person retrieves a white plastic container with a lid. They open it to reveal green beans or peas. They pour these green vegetables into the now-empty black pot. They then walk towards the kitchen sink area.\n\n108-144s: Standing at a stainless steel double sink, the person turns on the faucet. They wash the green beans inside the black pot, agitating them with their hand under the running water. After washing, they drain the water from the pot.\n\n144-192s: The scene shifts to the gas stovetop. A large wok contains a cooking flatbread (roti/chapati), and a smaller frying pan holds two sunny-side-up eggs. The person uses a wooden spatula to flip the flatbread in the wok. They briefly check the eggs.\n\n192-228s: The person moves back to the sink and washes the black pot (which previously held the green beans) under the tap. They fill it partially with water.\n\n228-264s: Back at the stove, the person uses the spatula to transfer the cooked flatbread from the wok onto a white plate. They then take the large wok to the sink and scrub it with a yellow sponge.\n\n264-300s: The person slides the fried eggs from the small pan onto the white plate next to the flatbread. Holding the plate with the meal, they walk away from the stove. They proceed to wash their hands at the sink.\n\n300-360s: The person carries the black pot (containing the washed green beans and some water) across the room, passing the kitchen counter and moving towards another area.\n\n360-860s: The video feed is completely black for an extended duration. This period likely corresponds to the person consuming the meal prepared in the previous segment (rice, green beans, eggs, and flatbread), though no visual details are visible.\n\n860-900s: The view returns, showing the person seated at a dark wooden dining table. On the table are sliced mango pieces, a glass of milk, a white plate with food remnants, woven placemats, and a tablet displaying a text document. A white microwave sits on the table in the background.\n\n900-1000s: The person picks up a slice of mango and eats it. In one instance, they use their fingers to peel the skin off a mango slice before consuming the fruit. They place the discarded skins on the table or plate.\n\n1000-1060s: The person picks up the glass of milk and drinks from it. They continue to eat the remaining mango slices while looking at the tablet.\n\n1060-1100s: The person stands up and moves to a trash bin lined with a white plastic bag. They dispose of the mango peels and other trash. They then gather the dirty plates and the tablet from the table.\n\n1100-1140s: At the kitchen sink, the person rinses the dirty white plates and chopsticks under running water.\n\n1140-1200s: The person opens the dishwasher located under the counter. They load the rinsed plates into the bottom rack of the dishwasher and close the door, concluding the activity.", "questions": [{"question": "Which of these actions did I perform first in the video?", "options": ["A. transferring the cooked flatbread from the wok to a white plate", "B. scrubbing the large wok with a yellow sponge at the sink", "C. washing the black pot that had held the green beans at the sink", "D. sliding the two fried eggs from the pan onto the white plate"], "answer": "C", "evidence": "The video shows washing the black pot at 192-228s, while transferring flatbread and scrubbing wok occur at 228-264s, and sliding eggs at 264-300s. Thus washing the pot is earliest.", "timestamps": "192-228s and 228-264s"}, {"question": "After I had washed the black pot at the sink, what did I do with it before I carried it across the room?", "options": ["A. I drained the water from it", "B. I filled it with water from the tap", "C. I transferred the rice into a white bowl", "D. I poured green beans into it"], "answer": "B", "evidence": "They fill it partially with water... carries the black pot across the room.", "timestamps": "192-228s and 300-360s"}, {"question": "After I had poured the green beans into the black pot, what did I do with the pot before I washed it?", "options": ["A. I rinsed the green beans under the tap", "B. I filled it with water from the tap", "C. I scooped the rice from the blue bag into it", "D. I carried it across the room"], "answer": "A", "evidence": "They wash the green beans inside the black pot... The person moves back to the sink and washes the black pot.", "timestamps": "108-144s and 192-228s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "e2171ff4-e32e-437f-9792-f37613e86598", "description": "0-45s: The video opens with a first-person view of a person assembling a wooden bench. They are holding a light-colored, shaped wooden armrest against the side of the partially assembled bench, which consists of several parallel slats. A yellow box labeled \"Tecfi Woodpecker\" is visible on the workbench to the left. The person aligns the armrest and then uses an orange and black cordless drill to drive a screw through the armrest into the bench's frame, securing it in place. After tightening the screw, they set the drill down on the bench.\n\n45-120s: The person picks up a second, identical armrest and positions it on the opposite end of the bench. They carefully align it before picking up the cordless drill again. They proceed to fasten this second armrest by driving screws through pre-drilled holes. Once both arms are attached, the main structure of the bench is complete. The person briefly inspects their work, running their hand along the newly installed armrests.\n\n120-240s: With the primary assembly finished, the person begins adding smaller components. They pick up a thin, flat piece of wood and place it along the front edge of the bench seat, just below the slats. This appears to be a decorative trim or a structural support piece. They hold it in place with one hand while using the other to pick up small screws from the yellow \"Tecfi\" box. One by one, they position the screws and use the cordless drill to attach the trim piece securely to the underside of the bench frame.\n\n240-360s: The process of attaching the front trim continues. The person methodically moves along the length of the bench, placing screws at regular intervals and driving them in with the drill. They ensure the trim piece remains flush against the frame as they work. At one point, they pause to check the alignment and make minor adjustments before continuing. The camera angle shifts slightly, showing more of the workshop floor and the person's feet, clad in grey sweatpants and green-and-blue sneakers.\n\n360-480s: In the final segment, the person completes the attachment of the front trim piece. They drive in the last few screws, ensuring all are tight. After finishing, they put the drill down and run their hands over the completed sections, checking for any rough spots or loose parts. They then pick up another small, curved wooden piece, possibly a finial or another decorative element, and test its fit against the end of the armrest. The video concludes with the person making final adjustments to the newly added pieces, completing the assembly of the wooden bench.", "questions": [{"question": "Why did the camera angle shift to show my feet during the front trim attachment, and what earlier action prompted this shift?", "options": ["A. Because I paused to check alignment, and the camera angle shifted to show my feet.", "B. Because I attached the first armrest, and the camera angle shifted to show the bench.", "C. Because I retrieved screws, and the camera angle shifted to show the yellow box.", "D. Because I tested the finial, and the camera angle shifted to show the armrest."], "answer": "A", "evidence": "At one point during the front trim attachment, they pause to check alignment and the camera angle shifts slightly, showing more of the workshop floor and the person's feet.", "timestamps": "240-360s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "e8cdbdd8-8062-4c75-af9f-d128e2b3e05e", "description": "0-35s: The video starts with a first-person view of someone in a workshop, picking up a sealed brown cardboard box from the floor. They carry it through the cluttered workshop, past shelves of parts and other lawnmowers, and exit out a large garage door into a sunny parking lot.\n\n35-60s: The person walks back inside the workshop, carrying the same box. They walk towards a black Poulan Pro riding lawnmower that is raised on a red hydraulic lift. Another man is visible in the background. The person places the box on the concrete floor next to the lift.\n\n60-90s: Using an orange utility knife, the person cuts the tape sealing the top of the cardboard box. They open the flaps to reveal a new mechanical component, a hydrostatic transmission, secured inside with cardboard inserts and paper packing material. After removing some of the packing, they step back to look at the lawnmower on the lift, which has its engine cover removed, exposing the internal components.\n\n90-120s: The person briefly walks outside again, looking at several yellow Cub Cadet zero-turn mowers parked in the lot before returning inside. Back in the workshop, they grab a red jack stand and position it under the rear axle of the lawnmower on the lift for additional support.\n\n120-180s: The person begins disassembling the rear wheel of the lawnmower. They remove a small yellow plastic cap from the center of the wheel, then use a screwdriver to pry off a metal E-clip securing the wheel to the axle. After removing the clip, they pull the entire wheel and tire assembly off the axle shaft. They then retrieve a can of lubricant spray and apply it to the exposed axle shaft.\n\n180-240s: With the old wheel removed, the person takes the new wheel and slides it onto the lubricated axle. They secure it by re-installing the E-clip with their fingers and then use a pair of pliers to ensure it is fully seated in its groove. They replace the yellow plastic dust cap over the center of the wheel.\n\n240-300s: The person moves to the main body of the lawnmower, reaching into the compartment under the seat where the engine and drive system are located. They begin working on the existing transmission, using their hands and a screwdriver to disconnect linkages and unbolt the old unit from the mower's frame.\n\n300-360s: Continuing the removal process, the person uses a red-handled screwdriver to loosen bolts and carefully maneuvers the old transmission out of the tight space. Once freed, they set it aside. They then pick up the new transmission from the cardboard box and prepare to install it.\n\n360-480s: The person carefully lowers the new transmission into place within the lawnmower's chassis. They align it with the mounting points and begin reconnecting the various linkages, cables, and bolts that were previously disconnected, using a screwdriver to tighten them. The video concludes as they continue to secure the new part.", "questions": [{"question": "After I brought the sealed brown cardboard box into the workshop, what did I do with the red jack stand before I began removing the rear wheel?", "options": ["A. I placed it under the rear axle to add extra support to the lift", "B. I used it to prop open the engine cover while I worked underneath", "C. I set it on the workbench and left it there for later use", "D. I returned it to the shelf after finding the lift was stable enough"], "answer": "A", "evidence": "The person grabs a red jack stand and positions it under the rear axle of the lawnmower on the lift for additional support.", "timestamps": "90-120s and 120-180s"}, {"question": "Before I removed the old transmission from under the seat, which component did I detach from the rear axle and then set aside?", "options": ["A. The yellow plastic cap and the metal E-clip securing the wheel", "B. The wheel and tire assembly after prying off its retaining clip", "C. The cardboard box's flaps after cutting the tape with a utility knife", "D. The red jack stand that was supporting the rear axle of the mower"], "answer": "B", "evidence": "After removing the yellow cap and E-clip, the person pulls the entire wheel and tire assembly off the axle shaft.", "timestamps": "60-90s and 120-180s"}, {"question": "After I removed the old transmission from the mower's frame, what did I do with the new transmission that I had unpacked from the cardboard box?", "options": ["A. I aligned it with the mounting points and reconnected its linkages", "B. I set it on the floor next to the old unit and compared their fittings", "C. I carried it to the workbench after noticing a loose bolt in its casing", "D. I wrapped it back in packing material because it was the wrong model"], "answer": "A", "evidence": "The person picks up the new transmission, lowers it into place, aligns it with mounting points, and begins reconnecting linkages and bolts.", "timestamps": "300-360s and 360-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "e85733d6-f845-4ba1-b99e-a5cee5ebf6a6", "description": "0-45s: The video opens with a first-person view of a red and grey Exmark STARIIS commercial zero-turn mower positioned on a red two-post vehicle lift in a cluttered repair shop. The camera pans around the machine, showing its current state before any work begins. Other equipment, including a yellow Cub Cadet tractor and various smaller mowers, are visible in the background.\n\n45-120s: The person operates the lift, raising the Exmark mower into the air to gain access to the underside. They then walk over to a large black tool chest, open a drawer filled with an organized set of sockets and wrenches, and select a red cordless impact driver along with a socket attachment.\n\n120-210s: Returning to the lifted mower, the person uses the impact driver to loosen and remove the central bolt securing one of the cutting blades. After removing the blade, they proceed to detach the second blade from the other side of the deck using the same method. Both old, dull blades are now removed from the mower.\n\n210-300s: With the blades removed, the person takes them to a different area of the workshop. They place the blades inside a white cardboard box with \"STIHL\" branding, likely for storage or transport. They then move towards a sharpening station.\n\n300-480s: At the sharpening station, which features a red bench grinder with an \"OREGON\" logo, the person begins to sharpen the cutting edges of the blades. Holding each blade firmly, they press it against the spinning grinding wheel, generating a shower of bright orange sparks. This process is repeated multiple times on both blades to restore their sharpness. The video concludes as they finish sharpening the final edge.", "questions": [{"question": "Right after I raised the mower on the two-post lift, what was the first thing I did, and what was the very last thing I completed in the workshop?", "options": ["A. walked to the black tool chest; finished sharpening the final edge", "B. selected a socket; placed blades in the STIHL box", "C. removed the second blade; moved to the sharpening station", "D. sharpened the first blade; selected a red impact driver"], "answer": "A", "evidence": "They then walk over to a large black tool chest. The video concludes as they finish sharpening the final edge.", "timestamps": "45-120s and 300-480s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "e3ea48bd-640a-4d46-9717-05c08d84c736", "description": "0-35s: The video begins with a blurry shot of a kitchen, then transitions to a person opening a cluttered under-stair cupboard. They retrieve a Dyson vacuum cleaner from the storage space and carry it out into the hallway.\n\n35-70s: The person empties the dust canister of the Dyson vacuum into a black \"Beldray\" branded bin. Afterward, they walk back towards the kitchen area, passing by a washing machine and microwave.\n\n70-120s: In the kitchen, the person washes their hands in the sink. A bottle of green \"Fairy\" dish soap is visible next to the sink. They then return to the hallway where the vacuum cleaner is waiting.\n\n120-180s: The person plugs the vacuum's power cord into an electrical outlet located behind some items on a shelf. They begin vacuuming the tiled floor of the hallway and the adjacent living room, which has a large brown rug. They move shoes around to clean underneath them.\n\n180-240s: Continuing the cleaning process, the person vacuums the brown rug in the living room and the surrounding tiled areas. They maneuver the vacuum around furniture, including a chair and a shoe rack, ensuring thorough coverage of the entryway.\n\n240-300s: The person moves back into the kitchen, continuing to vacuum the white tiled floor. They carefully navigate around appliances like the washing machine, dryer, and refrigerator, as well as a metal trash can and a radiator.\n\n300-360s: After finishing the vacuuming, the person unplugs the cord and neatly wraps it around the hooks on the vacuum cleaner. They then place the vacuum back into the under-stair cupboard for storage.\n\n360-420s: The person takes the grey plastic mop bucket to the kitchen sink. They open a cabinet under the counter and take out a bottle of pink \"Fabulosa\" multi-purpose cleaner. They pour the liquid into the mop bucket before filling it with water from the tap.\n\n420-480s: With the mop bucket prepared, the person retrieves a string mop from another storage closet. They dip the mop head into the soapy water in the bucket, wring it out using the built-in spinner mechanism, and begin mopping the kitchen floor, starting near the back door.", "questions": [{"question": "After I had washed my hands, I plugged in the vacuum. Where did I plug it in?", "options": ["A. Under the kitchen counter near the sink", "B. Next to the washing machine in the kitchen", "C. In the living room beside the rug", "D. Behind items on a shelf in the hallway"], "answer": "D", "evidence": "The person plugs the vacuum's power cord into an electrical outlet located behind some items on a shelf.", "timestamps": "120-180s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "e7bc066a-4926-449f-b5bf-29b5417cbb41", "description": "0-22s: A person wearing blue gloves uses a bench grinder with a white buffing wheel to polish a knife. They hold the knife blade against the spinning wheel, adjusting their grip. At 10s, they briefly stop to pick up a small white tub, likely containing polishing compound, before resuming the polishing action. Visible in the background is a box labeled \"mentholatum\".\n\n22-50s: The person stops polishing and walks away from the grinder. They approach a shelf area and inspect a cardboard box on the floor containing sanding discs. They then open a black hard case on the floor, revealing sanding belts inside, and close it. They walk past an orange box labeled \"HOLZ-HER POWER TOOLS\" and inspect sandpaper sheets on a workbench.\n\n50-100s: The person moves a wooden step ladder/stool. They walk past shelves holding bicycle wheels and a pink cloth. They inspect a black toolbox on the floor and then a cardboard box filled with sanding discs, picking up a red sanding disc. They move to a higher shelf and open a large cardboard box containing rolls of yellow and green material.\n\n100-150s: Returning to the main workbench, the person wipes the surface with a blue cloth. They pick up a small white container and move it. They shift the wooden stool again and move bicycle wheels on the floor. They pick up a piece of wood and open a silver toolbox labeled \"Stainless Steel Toolbox\", appearing to check the fit of the wood inside before closing it.\n\n150-200s: The person opens a grey plastic organizer box on a shelf. They inspect red bins on a shelf and open a drawer in a metal cabinet, looking inside at tools. They scan shelves containing spray cans, including one labeled \"WD-40\" and a bottle of \"Jergens\". They move to a different workbench with a vice and pick up a sharpening stone block.\n\n200-250s: The person places the sharpening stone on the workbench near the vice. They walk away and move the wooden stool again. They inspect a blue bandsaw. They return to the floor toolboxes and open a yellow toolbox. They remove a green bottle/container from the yellow toolbox.\n\n250-300s: The person places the green item into a white bucket. They look into the bucket. They walk around the workshop, moving a chair. They return to the cardboard box with sanding discs and pick up a red disc again. They walk to the shelves and inspect a green organizer box and spray cans.\n\n300-350s: The person walks to the workbench with the vice and inspects it. They walk to the floor and look at the black case. They move to the corner with an orange bag and move it. They look inside a bucket again. They walk around the workshop, scanning the area.\n\n350-400s: The person moves the wooden stool again. They look at the bicycle wheels. They pick up a piece of wood and open the silver \"Stainless Steel Toolbox\" again, placing the wood inside and closing it. They open the grey plastic organizer box on the shelf and look inside.\n\n400-450s: The person inspects the red bins on the shelf. They open the metal cabinet drawer again and look inside. They scan the shelves. They walk to the workbench with the vice. They walk to the floor and look at the black case. They walk to the corner with the orange bag.\n\n450-480s: The person moves the orange bag. They look inside a bucket. They walk around the workshop. They inspect the shelves. They move a chair. The video ends with the person standing in the workshop.", "questions": [{"question": "After I had polished the knife, what did I put inside the silver toolbox when I opened it much later?", "options": ["A. a green bottle", "B. a red sanding disc", "C. a piece of wood", "D. a sharpening stone"], "answer": "C", "evidence": "They pick up a piece of wood and open the silver Stainless Steel Toolbox again, placing the wood inside.", "timestamps": "0-22s and 350-400s"}], "n_frames_described": 100, "rejected_blind": 1, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "eaa17b24-b9df-468e-b682-6fabc0ff4408", "description": "0-45s: The video begins in a kitchen with cream cabinets and a wooden countertop. A white electric kettle, a red mug with a Liverpool FC logo, and a black coffee machine are visible. The person picks up the white kettle, walks to the stainless steel sink containing a red bowl, and fills the kettle with water from the tap. They then place the filled kettle back onto its base on the counter.\n\n45-135s: The person leaves the kitchen and walks down a hallway into a bathroom with beige tiled walls and floor. They pick up a mop with a silver handle and a green bucket with a white wringer mechanism. The bucket is placed inside the white bathtub. The person turns on the bathtub tap to fill the bucket with water. They then retrieve a large 5L bottle of yellow \"All Purpose Cleaner\" (brand appears to be P&G) from a shelf. The label reads \"All Purpose Cleaner. Warning. Causes serious eye irritation. Keep out of reach of children.\" They unscrew the blue cap, pour some cleaner into the bucket, and then wash their hands at the white pedestal sink. A yellow warning sticker on the wall reads \"Very hot water\".\n\n135-165s: The person carries the bucket of soapy water out of the bathroom and into the main living/dining area, which has light wood laminate flooring. They set the bucket down near a wooden dining table.\n\n165-225s: The person moves to the hallway where a yellow and black canister vacuum cleaner is sitting next to a large cardboard box labeled \"Description: Office Chair\". They plug the vacuum into a wall socket. They then begin vacuuming the wooden floor, moving the vacuum head back and forth near the box and along the skirting boards.\n\n225-240s: The person briefly uses a dustpan and brush to sweep up debris from the floor near the kitchen entrance.\n\n240-480s: The person begins mopping the wooden floor. They dip the grey mop head into the green bucket, wring it out using the white mechanism, and start mopping. They systematically clean the floor, moving around the wooden dining table and chairs. At one point, they lift a wooden chair to mop underneath it. They mop near a white radiator and a clothes drying rack with black garments hanging on it. The person repeatedly dips the mop back into the bucket to rinse and re-wet it as they cover different sections of the room, including the area near the kitchen counter and the space around the drying rack. The video ends with the person continuing to mop the floor near the dining table.", "questions": [{"question": "After I filled the kettle at the sink, I later poured a liquid into the bucket in the bathroom. What was the liquid, and what did I do with the bucket's contents afterward?", "options": ["A. I poured cleaning solution from a large bottle and later used the bucket to mop the floor", "B. I poured hot water from the kettle and later used the bucket to wash the bathtub", "C. I poured dish soap from a small bottle and later used the bucket to scrub the sink", "D. I poured plain tap water and later used the bucket to water a plant in the living room"], "answer": "A", "evidence": "They then retrieve a large 5L bottle of yellow \"All Purpose Cleaner\"... pour some cleaner into the bucket... The person begins mopping the wooden floor.", "timestamps": "45-135s and 240-480s"}, {"question": "Earlier I turned on the bathtub tap to fill the bucket. What did I do with the bucket after that, and what was the first room I carried it into?", "options": ["A. I carried it to the kitchen and then used it to fill the kettle", "B. I carried it to the hallway and then used it to wash the bathtub", "C. I carried it to the living area and then used it to mop the floor", "D. I carried it to the bathroom sink and then used it to wash my hands"], "answer": "C", "evidence": "The person carries the bucket of soapy water out of the bathroom and into the main living/dining area... The person begins mopping the wooden floor.", "timestamps": "45-135s and 135-165s"}, {"question": "Before I started mopping the floor, what cleaning action did I do in the hallway, and what object was near the large box?", "options": ["A. I vacuumed the floor with a canister vacuum that was beside the box", "B. I swept the floor with a dustpan and brush that was under the box", "C. I wiped the floor with a cloth that was on top of the box", "D. I mopped the floor with a mop that was leaning against the box"], "answer": "A", "evidence": "The person moves to the hallway where a yellow and black canister vacuum cleaner is sitting next to a large cardboard box... They begin vacuuming the wooden floor.", "timestamps": "165-225s and 240-480s"}], "n_frames_described": 100, "rejected_blind": 5, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "e928f032-f6e1-43ff-a8ec-d793c856010b", "description": "0-50s: The video begins with a first-person view from underneath a yellow Cub Cadet riding mower, which is elevated on a hydraulic lift. The mechanic, wearing orange nitrile gloves, uses a ratchet with an extension to loosen a bolt or filter housing on the underside of the machine's chassis. The camera angle is low, looking up at the mechanical components and the mechanic's arms working in the tight space.\n\n50-90s: Having successfully removed a black cylindrical oil filter, the mechanic walks across the concrete workshop floor towards a red metal drum situated near the open garage door. The drum has a funnel inserted into its opening, indicating it is used for fluid disposal. The mechanic places the old, dirty filter on the rim of the drum.\n\n90-130s: The mechanic opens a small white cardboard box to retrieve a replacement part. Inside, wrapped in clear plastic, is a new black oil filter. They tear open the packaging and remove the new filter, preparing it for installation.\n\n130-170s: Returning to the underside of the yellow Cub Cadet, the mechanic screws the new filter into place by hand. They then use a wrench to tighten it securely against the engine block, ensuring a proper seal. Following this, they position a black drain pan beneath the machine to catch any residual oil.\n\n170-210s: The mechanic removes the drain pan, now filled with dark, used oil, and carries it back to the red disposal drum. They carefully pour the contents of the pan into the funnel to recycle or dispose of the waste oil properly.\n\n210-250s: After cleaning up, the mechanic walks over to a tool cart to retrieve a socket wrench. They then move to a large red Exmark Lazer Z commercial mower parked on a separate lift nearby. A white box is sitting on the mower's deck.\n\n250-290s: The mechanic opens the white box on the red mower and removes several black bottles labeled \"HYDRO-GEAR\". These are hydraulic fluids. They place the bottles on the grey seat of the mower, preparing for a fluid change or top-up.\n\n290-330s: The mechanic walks through the workshop, passing aisles lined with various landscaping equipment like leaf blowers and string trimmers. They enter a storage room filled with shelves stacked high with boxes and parts.\n\n330-370s: Inside the parts room, the mechanic scans the shelves. Visible text includes \"HONDA\" on shelving units and \"Walker Mowers\" on a black stool. They locate a specific item and pick up a package before turning to leave.\n\n370-410s: The mechanic returns to the red Exmark mower in the main workshop area. They place a new white box on the mower deck and begin to open it.\n\n410-450s: From the box, the mechanic removes new filters and small hardware parts. They inspect the items and arrange them neatly on the mower deck next to the previously placed fluid bottles.\n\n450-480s: The mechanic continues to organize the new parts on the red mower, getting everything ready for the next stage of maintenance. The video concludes with the parts laid out on the mower, ready for installation.", "questions": [{"question": "After I tightened the new filter onto the yellow Cub Cadet, I later opened the white box that was already sitting on the red mower's deck. What did I remove from that box first?", "options": ["A. a long socket wrench with an extension", "B. several black bottles of hydraulic fluid", "C. a set of replacement oil filters", "D. a handful of small metal hardware pieces"], "answer": "B", "evidence": "The mechanic opens the white box on the red mower and removes several black bottles labeled 'HYDRO-GEAR'.", "timestamps": "130-170s and 250-290s"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "ec940abb-83b0-4e72-b5ab-2c3ba8c960a0", "description": "0-45s: The video begins with a first-person view of a mechanic walking towards a yellow riding lawnmower that is raised on a red hydraulic lift. The mechanic approaches the rear of the mower deck, holding a black flashlight in their right hand. They shine the light underneath the deck to inspect the internal pulley system and belts. The mechanic reaches in with their left hand to physically check the movement or condition of a pulley.\n\n45-115s: Stepping back from the mower, the mechanic picks up a white sheet of paper from the lift platform. They hold the document with both hands and read it intently. The text on the paper is visible, reading \"TECHNICAL SERVICES DEPARTMENT UPGRADE KIT\" followed by \"M514 PULLEY/IDLER WHEEL UPGRADE KIT P/N 6330-10\". The mechanic spends over a minute reviewing these instructions, ensuring they understand the procedure before proceeding.\n\n115-180s: After finishing the review, the mechanic places the instruction sheet back onto the lift platform, near the rear tire and some scattered tools. They briefly glance back at the mower deck, then turn their attention to the workspace on the lift. Several items are visible on the lift rail, including a purple rag, a grey metal component (possibly an old part), and clear plastic bags containing new hardware.\n\n180-240s: The mechanic picks up a clear plastic bag and opens it to retrieve a small metal washer or spacer. They examine this small part in their hands. Next, they handle another bag containing a larger component. They pull out a new, silver-colored metal pulley wheel, inspecting it briefly before moving back to the mower.\n\n240-300s: Holding the new pulley, the mechanic positions it onto a shaft within the mower deck assembly. They use both hands to align the pulley correctly. Once positioned, they begin to secure it, appearing to thread a bolt or nut by hand to hold it in place temporarily.\n\n300-360s: The mechanic uses a tool, likely a ratchet or wrench (partially obscured), to tighten the fastener securing the new pulley. They apply torque to ensure it is snug. They pause to check the alignment and stability of the newly installed part.\n\n360-420s: Reaching for a green-headed ball-peen hammer resting on the mower's frame, the mechanic uses it to gently tap the pulley assembly. This action is likely intended to seat the pulley fully onto the shaft or to settle a bearing. They continue to work within the tight confines of the deck, making adjustments.\n\n420-480s: For the final segment, the mechanic engages in deeper work inside the mower deck. They use a long-handled tool, possibly a pry bar or a long screwdriver, to leverage or adjust components deep within the mechanism. With their left hand stabilizing the rear tire, they maneuver the tool to complete the installation or routing of a belt. The video concludes with the mechanic still actively working inside the deck area.", "questions": [{"question": "After I had finished reading the upgrade kit instructions on the white sheet, what was the first item I removed from the clear plastic bags on the lift rail?", "options": ["A. the silver-colored metal pulley wheel that was packed in its own clear bag", "B. the grey metal component that looked like an old part on the lift rail", "C. the small metal washer or spacer that I examined closely in my hands", "D. the green-headed ball-peen hammer that was resting on the mower frame"], "answer": "C", "evidence": "The mechanic picks up a clear plastic bag and opens it to retrieve a small metal washer or spacer. Next, they handle another bag containing a larger component and pull out a new, silver-colored metal pulley wheel.", "timestamps": "45-115s and 180-240s"}, {"question": "After I had read the upgrade kit instructions and walked over to the lift rail, what did the pulley wheel look like when I took it out of the plastic bag?", "options": ["A. old and grey with visible wear from the previous assembly", "B. green-headed with a ball-peen striking face on the metal head", "C. white with technical service instructions printed across the page", "D. new and silver-colored as I held it up to inspect it"], "answer": "D", "evidence": "They pull out a new, silver-colored metal pulley wheel, inspecting it briefly before moving back to the mower.", "timestamps": "45-115s and 180-240s"}, {"question": "After I finished reading the upgrade kit instructions, what did I do next with the paper, and what did I do right after tightening the new pulley in the deck?", "options": ["A. I set the instruction sheet on the lift, then tapped the pulley with the green hammer", "B. I opened a clear plastic bag, then used a long tool to adjust the belt", "C. I removed a small metal washer, then threaded the bolt in by hand", "D. I pulled out the silver pulley, then inspected the belts with my flashlight"], "answer": "A", "evidence": "After finishing the review, the mechanic places the instruction sheet back onto the lift platform. After tightening with a ratchet, the mechanic reaches for the green-headed ball-peen hammer and taps the pulley assembly.", "timestamps": "45-115s and 360-420s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "ed47630e-8c0b-447e-9a14-0b6531e84a18", "description": "0-45s: The video opens with a view of a cluttered wooden dining table. On the table are dirty plates with leftover food, cutlery, a blue water filter pitcher, and various other items. A hand enters the frame and begins to clear the table, picking up a plate with a fork and knife on it. The person then moves towards the kitchen area, which is adjacent to the dining space.\n\n45-120s: The person walks into the kitchen, passing by a large potted plant and a bicycle leaning against the wall. They approach the sink area, where more dirty dishes are piled up. The person picks up a carton of \"Oatly\" oat milk from the counter and examines it before placing it back down. They then open the refrigerator, revealing its contents, including jars, bottles, and cartons. After a brief look inside, they close the fridge door.\n\n120-240s: The focus shifts to the dishwashing process. The person starts by loading dirty plates and cutlery into an open dishwasher located under the counter. They carefully arrange the items in the racks. Next, they move to the sink, which has an orange basin filled with soapy water. Using a green brush, they begin scrubbing a wooden cutting board. After rinsing the board, they set it aside to dry.\n\n240-360s: The person continues washing dishes by hand. They pick up a black frying pan from the counter and submerge it in the soapy water. Using a yellow sponge, they scrub the inside and outside of the pan thoroughly. Once clean, they rinse it under running water from the tap and place it on the drying rack next to the sink. They repeat this process with another pot, ensuring all surfaces are cleaned.\n\n360-480s: With the main dishes washed, the person turns their attention to smaller utensils. They wash a red spatula and a wooden spoon, scrubbing them with the sponge and rinsing them off. These items are also placed on the drying rack. Finally, they empty the orange basin of soapy water into the sink and rinse out the basin itself. The person then wipes down the countertop with a cloth, removing any remaining crumbs or spills. The video concludes with a tidy kitchen, all dishes either in the dishwasher or drying on the rack, and the countertops cleared and clean.", "questions": [{"question": "After I cleared the dining table of the leftover food and cutlery and walked into the kitchen, which of these items did I wash by hand first in the soapy water?", "options": ["A. The black frying pan that I washed", "B. The large pot that I washed", "C. The wooden cutting board that I washed", "D. The red spatula that I washed"], "answer": "C", "evidence": "After loading the dishwasher, the person scrubs a wooden cutting board with a green brush before washing the frying pan.", "timestamps": "0-45s and 120-240s"}, {"question": "After I had cleared the dining table and carried the dirty dishes to the kitchen, which item did I wash first, and which item did I wash last before wiping down the countertop?", "options": ["A. First the black frying pan, last the large pot", "B. First the wooden cutting board, last the red spatula and wooden spoon", "C. First the large pot, last the wooden cutting board", "D. First the red spatula, last the black frying pan"], "answer": "B", "evidence": "The washing order is: wooden cutting board, black frying pan, large pot, then red spatula and wooden spoon.", "timestamps": "0-45s and 120-480s"}, {"question": "After I examined the Oatly oat milk carton and placed it back on the counter, which item did I later scrub with a brush rather than a sponge?", "options": ["A. The black frying pan that I washed", "B. The large pot that I washed", "C. The red spatula that I washed", "D. The wooden cutting board that I washed"], "answer": "D", "evidence": "Only the wooden cutting board is scrubbed with a green brush; all other items use a yellow sponge.", "timestamps": "45-120s and 120-240s"}, {"question": "After I examined the oat milk carton and opened the refrigerator, I washed several items by hand. Which item did I wash first among these, and which item did I wash last?", "options": ["the wooden cutting board and the wooden spoon", "the black frying pan and the red spatula", "the large pot and the wooden spoon", "the wooden cutting board and the red spatula"], "answer": "A", "evidence": "The person scrubs a wooden cutting board with a green brush (first hand-washed item), and later washes a red spatula and a wooden spoon, with the wooden spoon being the last item washed before emptying the basin.", "timestamps": "120-240s and 360-480s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "ed95c303-935c-4b80-aadc-8e4a4e1acb58", "description": "0-60s: The video opens with a view out a large window overlooking a parking lot and trees. A man wearing a green hoodie and sunglasses is visible. The camera pans around a bedroom/living space, showing a bed and large windows. The man is talking.\n\n60-120s: The man is near a counter with a black coffee maker. Cleaning supplies, including a blue \"Windex\" bottle and a yellow spray bottle, are on the window sill. He opens a white mini-fridge. Inside are blue \"Pepsi\" cans and a yellow juice bottle. He takes out the juice bottle. He closes the fridge.\n\n120-180s: The camera focuses on the coffee maker and the counter. There are white mugs and a basket of tea/coffee supplies. A bag of \"Starbucks\" coffee and a box of \"Twinings\" tea are visible. The man prepares a drink. He holds a red box (juice). He walks to a living area with a white sofa.\n\n180-240s: He sits down on the sofa. The camera shows a white TV stand. Board games are visible: \"Jenga\", \"Sorry!\", and \"Exploding Kittens\". He takes the \"Jenga\" box.\n\n240-300s: He sets up the Jenga game on the white coffee table. He arranges the wooden blocks into a tower. A blue mug and a white game controller are on the table.\n\n300-360s: The Jenga game is in progress. The man carefully removes blocks from the tower. He places them on top.\n\n360-420s: The game continues. The tower gets taller and more unstable. The man is focused.\n\n420-480s: The game continues. The man removes a block. The video ends with the man sitting on the sofa.", "questions": [{"question": "Earlier in the video, I took an item from the mini-fridge. After I prepared a drink near the coffee maker, what did I do with that item?", "options": ["A. a yellow juice bottle, and I held it while walking to the living area", "B. a blue Pepsi can, and I placed it on the coffee table", "C. a bag of Starbucks coffee, and I used it to brew a fresh cup", "D. a box of Twinings tea, and I left it on the window sill"], "answer": "A", "evidence": "He takes out the juice bottle. He holds a red box (juice). He walks to a living area with a white sofa.", "timestamps": "60-120s and 120-180s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "f060113f-5193-43b4-82e7-79617486bc30", "description": "0-45s: The video opens with a view of a kitchen counter featuring a stainless steel sink, a wooden cutting board, and a gas stove. A person is holding a round stainless steel spice box (masala dabba). On the stove, a black pan (kadhai) is heating oil with green chilies. The person opens the spice box, selects a spice, and then pours chopped red onions from a small steel bowl into the hot pan. After adding the onions, the person moves to the sink to wash their hands and a knife under running water.\n\n45-120s: The person returns to the stove and begins stirring the onions in the pan with a metal spatula. They add a spoonful of white powder, likely salt, from a container. The onions are saut\u00e9ed until they start to soften. The person then adds a yellow powder, identified as turmeric, from the spice box into the pan. They stir the mixture thoroughly, coating the onions and chilies in the yellow spice.\n\n120-180s: The person uses a handheld gas lighter to ignite the second burner on the stove. Once the flame is lit, they place a black flat pan (tawa) on the burner to heat up. The camera pans back to the counter where a stainless steel bowl containing several balls of dough is sitting. The person prepares the workspace for rolling the dough.\n\n180-300s: The person takes a wooden rolling pin, washes it briefly in the sink, and places it on the counter. They take one of the dough balls from the bowl and place it on the wooden cutting board, which has been oiled. Using their hand, they flatten the dough ball slightly before using the rolling pin to roll it out into a thin, flat circle. They flip the dough and continue rolling to achieve an even thickness, preparing it for cooking on the hot tawa.", "questions": [{"question": "After I added the turmeric to the onions, which of these did I do first?", "options": ["lighting the second burner with a handheld gas lighter", "placing the black tawa on the second burner", "washing the wooden rolling pin in the sink", "rolling out a ball of dough on the cutting board"], "answer": "A", "evidence": "After adding turmeric, they stir, then later use gas lighter to ignite second burner.", "timestamps": "45-120s and 120-180s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "f4fd0914-abec-49c2-a608-14288c85290f", "description": "0-45s: The video begins with a first-person perspective of someone walking through a modern, open-plan office or showroom. The camera pans across a living room setup featuring a grey sofa, a glass coffee table, and large windows. Several people are present; one man in a black shirt gestures while talking to the camera wearer. Another woman in black interacts with a man wearing a blue t-shirt and khaki pants. A distinctive feature is a large wall mural depicting a pink sun over green mountains. The camera then moves down a hallway past this mural.\n\n45-120s: The camera follows a man in a black polo shirt as he approaches a door next to the mural. He uses a keycard on an electronic lock panel to gain entry. Inside, the camera captures close-ups of other individuals, including a woman with blonde hair wearing dark glasses and a lanyard. The scene shifts back to the main area where people are mingling. The focus then moves to a beverage station set up by a window. On a white cart, there is a black drip coffee maker, stacks of paper plates and bowls, a roll of paper towels, and snacks like Ritz crackers.\n\n120-210s: This segment focuses on the process of making coffee. The camera wearer's hands are visible as they place a filter into the coffee maker. They then take a bag of coffee grounds, pour some into the filter, and close the lid of the machine. After ensuring the carafe is in place, they press a button to start the brewing cycle. The coffee maker begins to drip. Nearby, a box labeled \"RITZ\" is clearly visible on the shelf below the counter.\n\n210-300s: With the coffee brewing, the camera pans away from the station and moves back into the main living area. It provides a sweeping view of the space, showing the furniture arrangement again: the grey sofas adorned with decorative pillows (silver, grey, and white), the glass coffee table holding a remote control and a game controller, and floor lamps. The camera passes a bedroom display with a made bed and then a clothing rack with garments hanging on it before returning to the central seating area.\n\n300-480s: The final part of the video shows the man in the blue t-shirt and sunglasses sitting comfortably on the grey sofa. He appears to be engaged in conversation, gesturing with his hands. In the background, other people continue to move about the space, some looking at their phones or talking in small groups. The camera remains relatively steady, focused on the man on the couch, capturing the ambient activity of the office environment until the end of the clip.", "questions": [{"question": "After I started brewing the coffee, what did I see on the glass coffee table when I returned to the living area?", "options": ["A. a remote control and a video game controller on the glass table", "B. a stack of paper plates and a roll of paper towels on a white cart", "C. a box of Ritz crackers and a coffee carafe near the shelf", "D. a keycard and a lanyard lying on the table surface"], "answer": "A", "evidence": "glass coffee table holding a remote control and a game controller", "timestamps": "120-210s and 210-300s"}, {"question": "Later, when I saw the man who had been talking to the woman in black, what was he wearing that he hadn't worn at the beginning?", "options": ["A. a black polo shirt and a keycard on a lanyard", "B. a pair of dark sunglasses covering his eyes", "C. a blue t-shirt and khaki pants with no accessories", "D. a white shirt and a wristwatch on his left hand"], "answer": "B", "evidence": "man in a blue t-shirt and khaki pants (0-45s) and man in the blue t-shirt and sunglasses (300-480s)", "timestamps": "0-45s and 300-480s"}, {"question": "After I started the coffee brewing, I returned to the living area and later saw a man on the sofa. What was he wearing, and what was he doing?", "options": ["A. a blue t-shirt and sunglasses, and he was engaged in conversation", "B. a black polo shirt and a keycard, and he was unlocking a door", "C. a black shirt, and he was gesturing while talking", "D. a blue t-shirt and khaki pants, and he was talking with a woman"], "answer": "A", "evidence": "man in the blue t-shirt and sunglasses sitting on the grey sofa... engaged in conversation, gesturing", "timestamps": "120-210s and 300-480s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "f4c801cf-9181-4b3f-9077-6f897bd139d5", "description": "0-125s: The video begins with a person in a pink top standing at a kitchen sink. On a white cutting board, they are using a small metal spoon to scrape and clean pieces of what appears to be ginger root. To the left is a stainless steel sink with a white plastic colander inside. To the right, on a two-burner gas stove, a pot containing a yellowish mixture is already cooking.\n\n125-145s: After finishing the preparation, the person uses their hands to transfer the cleaned ginger from the cutting board into the pot on the stove. They then pick up an orange-colored bottle, likely containing oil or sauce, and pour some of its contents into the pot before stirring the mixture with a wooden spatula.\n\n145-185s: The person turns away from the stove and walks towards a cluttered shelving unit. They retrieve a small, beige ceramic jar with a matching lid. Returning to the stove, they open the jar, use a small spoon to scoop out a brown powder (likely a spice), add it to the pot, and stir again. The jar is then closed and placed back on the shelf.\n\n185-260s: This segment focuses on cleaning. The person takes the white colander to the sink, rinses it under running water, and places it on the drainboard. Next, they wash the knife used earlier. Finally, they gather the remaining ginger scraps from the cutting board, place them into a small plastic bag for disposal, and proceed to wash the cutting board itself thoroughly in the sink.\n\n260-370s: With the initial prep and cleaning done, the person returns their attention to the pot simmering on the stove. They stir the contents periodically with the wooden spatula, ensuring the ingredients are well-mixed and preventing sticking. At one point, they briefly move away to grab a cloth from a nearby surface before returning to continue stirring.\n\n370-480s: For the remainder of the video, the person continues to monitor and stir the dish cooking in the pot. The liquid in the pot appears to have thickened slightly. Their actions consist of consistent, gentle stirring with the wooden spatula, indicating the dish is in its final stages of cooking. The scene remains focused on the stovetop as the meal simmers.", "questions": [{"question": "Before I transferred the cleaned ginger into the pot, what had I used to scrape the ginger pieces on the cutting board?", "options": ["A. a small metal spoon that I held in my right hand", "B. a wooden spatula that was resting in the pot", "C. a plastic scraper that I found in the sink", "D. a long knife that I later washed in the sink"], "answer": "A", "evidence": "using a small metal spoon to scrape and clean pieces of what appears to be ginger root", "timestamps": "0-125s (scraping) and 125-145s (transferring ginger)"}], "n_frames_described": 100, "rejected_blind": 6, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "f0e7070f-6a7a-4ad5-846c-feb4cc9f9c77", "description": "0-25s: The video opens with a first-person view of a kitchen counter. A person, wearing a black and white striped shirt, is standing in front of the sink. They pick up a black pot from the stovetop on the right and carry it to the sink. They turn on the faucet and fill the pot with water before placing it back on the stove.\n\n25-60s: The person walks over to a large, stainless steel refrigerator. They open a bottom drawer and retrieve a plastic bag containing vegetables, including tomatoes and what appears to be a cucumber or zucchini. They then open another freezer compartment and take out a package of meat. After closing the fridge, they place the ingredients on the counter next to a wooden cutting board.\n\n60-95s: The person continues gathering items for their meal. They open an overhead cabinet and take down a clear plastic container with a blue lid, which they place on the cutting board. Next, they retrieve two nested stainless steel mixing bowls from another cabinet. Finally, they bring a frying pan from the sink area and place it on the second burner of the stove.\n\n95-140s: Preparation begins. The person takes a red tomato from its packaging, places it on the cutting board, and uses a knife to chop it into wedges. As they cut, they transfer the pieces into one of the stainless steel bowls.\n\n140-180s: After finishing the tomato, the person picks up a green vegetable (likely a cucumber), washes it briefly under the tap, and proceeds to chop it on the same cutting board. The chopped cucumber is added to the bowl with the tomatoes. They then take a small onion, peel it, chop it, and add it to the salad mixture as well.\n\n180-220s: The person unwraps a package of raw chicken breast and places it into the now-empty frying pan on the stove. They then return to the refrigerator, open the crisper drawer, and take out a bottle of dressing that has a yellow cap and a label with Japanese text reading \"\u3054\u307e\" (goma, meaning sesame).\n\n220-260s: Returning to the counter, the person opens a clear plastic bag of pre-cooked noodles. They also grab a white ceramic jar with a wooden lid, open it, and use a spoon to scoop some white powder, likely salt or sugar, into the salad bowl. They then pour the sesame dressing over the salad.\n\n260-300s: The person puts the dressing bottle away and retrieves another bottle containing a dark liquid, possibly soy sauce or a different type of dressing. They open this bottle and pour some of its contents into the salad bowl. They then put this bottle back in the fridge.\n\n300-340s: The person opens the third bottle, which contains a yellowish oil, likely olive oil. They unscrew the cap and drizzle the oil over the salad. After adding all the seasonings, they appear ready to mix the salad and cook the chicken.\n\n340-480s: The remaining frames show the person continuing to prepare the meal. They are seen handling the various ingredients and tools on the counter. The pot of water on the stove is presumably heating up to boil the noodles, while the chicken cooks in the pan. The salad sits seasoned and ready in the bowl. The sequence ends with the cooking process still underway.", "questions": [{"question": "After I filled the pot with water, which of these did I add to the salad last?", "options": ["A. The white powder scooped from the ceramic jar", "B. The sesame dressing from the yellow-capped bottle", "C. The dark liquid from the second bottle", "D. The yellowish oil from the third bottle"], "answer": "D", "evidence": "They open the third bottle, which contains a yellowish oil, likely olive oil, and drizzle it over the salad.", "timestamps": "0-25s and 300-340s"}, {"question": "After I placed the pot of water on the stove, what did I later put in the frying pan, and what was the first liquid I poured over the salad?", "options": ["A. Chicken and the soy sauce from the dark bottle", "B. Noodles and the sesame dressing from the yellow cap", "C. Chicken and the sesame dressing from the yellow cap", "D. Vegetables and the olive oil from the third bottle"], "answer": "C", "evidence": "They place the chicken in the frying pan, and later pour the sesame dressing over the salad first.", "timestamps": "0-25s, 180-220s, and 220-260s"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "edfa3707-6457-4df1-9a42-d85615c11d3b", "description": "0-30s: The video begins with a first-person view of a person holding a smartphone with a black screen and a brown case. The person is wearing a green long-sleeved shirt. In the background, there is a window with a view of an outdoor area with trees and pallets. On the window sill, there are two small black devices. Below the phone, a sign is partially visible with the text \"Don't use this platform for...\". The person holds the phone steady, occasionally adjusting their grip.\n\n30-60s: The camera pans down to a metal mesh table covered with numerous black plastic trays. The trays contain seedlings growing in rockwool cubes. Some trays are full, while others have gaps where seedlings have been removed. In the background, there are potted plants and a watering system. The camera moves across the table, showing the extent of the seedlings.\n\n60-120s: The person, now wearing blue gloves, begins handling the seedlings. They pick up rockwool cubes with seedlings from one tray and place them into another tray or a small black pot. The movements are careful and deliberate. The person is organizing the seedlings, possibly transplanting them or preparing them for further growth.\n\n120-180s: The person continues to handle the seedlings, moving them between trays. They pick up a seedling, inspect it, and place it in a new location. The trays are arranged in rows on the metal mesh table. The person's hands are visible as they work, wearing blue gloves.\n\n180-210s: The person picks up a tray with debris and moves towards a trash area. They place the tray near two black trash cans. A sign on the door reads \"KEEP YOUR WORK AREA CLEAN IT IS PART OF YOUR JOB\". The person then returns to the table.\n\n210-240s: The person holds up the smartphone again, checking the screen. The background shows the seedling trays and the window. The person appears to be taking a break or checking something on the phone.\n\n240-300s: The person resumes working with the seedlings. They continue to move seedlings between trays, organizing them. The camera angle changes slightly, showing different sections of the table.\n\n300-360s: The person picks up a clear plastic pitcher filled with an orange-brown liquid. They walk around the table and begin pouring the liquid into the trays containing the seedlings. The liquid appears to be a nutrient solution or water. The person carefully waters each tray.\n\n360-480s: After watering, the person continues to organize the trays. They move some trays around and adjust the seedlings. The video ends with a wide shot of the table, showing the organized trays of seedlings. The person's hands are visible as they make final adjustments.", "questions": [{"question": "After I read the sign on the door that said 'KEEP YOUR WORK AREA CLEAN', what did I do with the seedlings before I poured the orange-brown liquid?", "options": ["A. I moved them between the trays to fill the gaps left by removed seedlings.", "B. I carried them to the two black trash cans to dispose of the excess.", "C. I watered them with a clear pitcher filled with an orange-brown liquid.", "D. I organized them into neat rows and adjusted their positions on the table."], "answer": "A", "evidence": "The person resumes working with the seedlings. They continue to move seedlings between trays, organizing them.", "timestamps": "180-210s and 240-300s"}], "n_frames_described": 100, "rejected_blind": 7, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "f76eea4a-01fd-4cc0-b395-ef7f327d6f1b", "description": "0-360s: The video opens with a first-person perspective of someone painting a white wooden skirting board (baseboard) situated below a grey wall. A blue drop cloth is spread on the floor to protect the wooden flooring. The person uses a small paintbrush with a wooden handle to apply white paint meticulously along the top edge and face of the skirting board. The paint appears to be a primer or undercoat, covering the wood evenly. The paint can is occasionally visible at the bottom of the frame.\n\n360-430s: The painting activity ceases. At approximately 366s, a brown dog walks across the exposed wooden floorboards. The camera pans to reveal a doorway leading to an adjacent room containing a desk and office chair. At 385s, a paint can with the label \"Dulux\" is visible near the bottom of a staircase. The person then handles a piece of sandpaper (395s) and is seen sorting through a cardboard box filled with shredded paper (404s), likely retrieving supplies. At 414s, various tools, including a knife and a scraper, are lying on the floor. By 423s, the person is holding a grey sanding block, preparing for surface preparation.\n\n430-720s: The person begins sanding the skirting board and the adjacent door frame. Using the grey sanding block, they vigorously rub the surface of the wood to smooth it out, removing imperfections and preparing it for the final coat. This process is repeated along different sections of the skirting board, particularly around corners and near the staircase where the floorboards are bare. Dust is visible as a result of the sanding. A red strip with the text \"Tredline\" is visible on the floor edge in several frames (e.g., 461s, 500s). The sanding ensures a smooth finish for the subsequent painting.\n\n720-940s: Following the sanding, the person resumes painting. They use the same small paintbrush to apply a fresh coat of white paint to the sanded areas of the skirting board and door frame. The painting is done carefully, focusing on the edges and the flat surfaces to ensure full coverage. The camera angle shifts to show the work being done near the staircase and door frame. At 940s, the lid of the paint can, clearly displaying the \"Dulux\" logo, is held in view. The painting continues methodically along the baseboards until the video concludes.", "questions": [{"question": "After I had applied the final coat of paint, what did I hold up, and where had the paint can been positioned before I began sanding?", "options": ["A. the grey sanding block; near the bottom of the staircase", "B. the paint can lid; on the blue drop cloth by the skirting board", "C. the paint can lid; near the bottom of the staircase", "D. the piece of sandpaper; near the cardboard box of shredded paper"], "answer": "C", "evidence": "At 385s, a paint can with the label 'Dulux' is visible near the bottom of a staircase. At 940s, the lid of the paint can, clearly displaying the 'Dulux' logo, is held in view.", "timestamps": "385s and 940s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "f5bb280e-a8bb-4c25-98cc-51bb66659776", "description": "0-285s: The video begins with a static, first-person view of a living room. In the foreground, a white coffee table holds a teal mug with a gold base, a black remote control, a white Xbox controller, and a scattered deck of blue-backed playing cards. To the left, a grey tufted sofa is visible. In the background, a white shelving unit stands against a white wall, holding a potted plant and other items. A pet bed sits on the dark floor near the wall. The person holding the camera is also holding a smartphone at the bottom of the frame, which displays a video of a person's face.\n\n285-300s: The camera pans slightly to the right, revealing more items on the coffee table: a purple glass vase with yellow flowers, a purple candle, and a magazine with the title \"THE VIKINGS\" clearly visible. The person's hands enter the frame, holding a deck of cards, and they begin to shuffle or manipulate them.\n\n300-320s: The camera moves rapidly, indicating the person is walking. A person dressed in black walks past the camera from right to left. The camera follows, moving away from the living room and down a hallway. The hallway has white walls and a large, colorful abstract mural on the right wall featuring pink and green wave-like patterns.\n\n320-345s: The camera enters a new room with white walls and metal shelving units. A woman with bright orange hair and sunglasses is visible on the left. A man wearing a black and white striped long-sleeve shirt and white pants stands in the center of the room. The camera focuses on the man in the striped shirt.\n\n345-380s: The camera shifts focus to a person wearing a red hoodie with a green lanyard around their neck. The camera remains relatively static, focused on this person's torso and the lanyard for the remainder of the video.", "questions": [{"question": "After I passed the mural in the hallway, I saw a woman with orange hair. What colors were in that mural, and what accessory was the woman wearing?", "options": ["A. The mural had purple and gold waves, and she wore dark sunglasses", "B. The mural had purple and gold waves, and she wore a green lanyard", "C. The mural had pink and green waves, and she wore dark sunglasses", "D. The mural had pink and green waves, and she wore a green lanyard"], "answer": "C", "evidence": "A large, colorful abstract mural on the right wall featuring pink and green wave-like patterns; A woman with bright orange hair and sunglasses is visible on the left.", "timestamps": "300-320s (mural) and 320-345s (woman)"}, {"question": "When I panned the camera to the right on the coffee table, I saw a purple vase and a magazine. What color was the vase, and what was the magazine's title?", "options": ["A. The vase was purple, and the title was THE SUN", "B. The vase was purple, and the title was THE VIKINGS", "C. The vase was red, and the title was THE SUN", "D. The vase was red, and the title was THE VIKINGS"], "answer": "B", "evidence": "a purple glass vase with yellow flowers; a magazine with the title 'THE VIKINGS' clearly visible.", "timestamps": "285-300s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "f562f1ab-0091-45a0-9e66-4de21d820675", "description": "0-35s: The video opens with a static, first-person view of a living room coffee table. On the white marble-topped table sits a \"SORRY!\" board game, its box lid used as a tray holding two plastic pawns (one yellow, one red). Surrounding the game are several items: a clear plastic water bottle with an orange cap, a glass Coca-Cola bottle partially filled with dark liquid, a teal ceramic mug, a small white carton with a red cap, and a package of \"Milano\" cookies. In the background, a light grey sofa is adorned with rust-colored and white pillows. A black media console with a television stands against the far wall under large windows.\n\n35-70s: The camera becomes active, panning left to show more of the room, including a glass-walled office or meeting area. It then pans back right, briefly showing another person's legs in ripped blue jeans and brown sneakers resting on the sofa. The camera movement is somewhat shaky, suggesting it is head-mounted. The focus returns to the game setup on the table, which remains undisturbed.\n\n70-125s: The camera continues to pan around the room, offering different angles of the sofa, windows, and media console. At approximately 98 seconds, a hand enters the frame from the bottom right, holding a black smartphone. The screen illuminates, displaying what appears to be a social media feed. The person holds the phone over the game table for an extended period, scrolling through content. The game pieces and other items on the table remain stationary during this time.\n\n125-165s: While the camera holder continues to use their phone, a second person\u2014a man with a beard wearing a maroon hoodie, sunglasses, and a lanyard\u2014walks into the frame from the right side. He moves behind the sofa, turns, and sits down on the right end of the couch. After settling in, he gestures with his hands while seemingly talking to the camera holder. The camera pans up towards him before returning its gaze to the table.\n\n165-221s: The camera holder puts the phone down (off-screen) and gets up, causing the view to become unstable and move rapidly. The perspective shifts as they walk away from the living room area, moving through a doorway into a hallway. They follow the man in the maroon hoodie down the hall and into another room that appears to be a storage or workshop space. This room contains tall metal shelving units and a white desk with laptops. The video concludes as the camera holder approaches a third person sitting at the desk.", "questions": [{"question": "After I put down my phone and got up from the couch, what did I do before entering the storage room?", "options": ["A. I followed the man in the maroon hoodie down the hall", "B. I walked through the doorway into the hallway", "C. I left the living room and walked down the hallway", "D. I approached the third person at the desk"], "answer": "C", "evidence": "The camera holder gets up and walks away from the living room, through a doorway into a hallway, then follows the man into a storage room.", "timestamps": "165-221s"}, {"question": "After I got up from the couch, what did I do first before entering the storage room?", "options": ["A. I walked through the doorway into the hallway", "B. I followed the man in the maroon hoodie", "C. I approached the person at the desk", "D. I left the living room and went down the hall"], "answer": "D", "evidence": "The camera holder gets up, walks away from the living room, through a doorway into a hallway, then follows the man into a storage room.", "timestamps": "165-221s"}, {"question": "After I entered the storage room, what object did I see on the white desk, and what was the color of the cap on the water bottle that had been on the coffee table?", "options": ["A. I saw a laptop on the desk, and the water bottle cap was red.", "B. I saw a SORRY! game board on the desk, and the water bottle cap was orange.", "C. I saw a glass Coca-Cola bottle on the desk, and the water bottle cap was teal.", "D. I saw a laptop on the desk, and the water bottle cap was orange."], "answer": "D", "evidence": "The storage room has a white desk with laptops; the water bottle on the coffee table has an orange cap.", "timestamps": "0-35s and 165-221s"}, {"question": "After I entered the storage room, what was the color of the ceramic mug that had been on the coffee table?", "options": ["A. the ceramic mug on the coffee table was orange", "B. the ceramic mug on the coffee table was red", "C. the ceramic mug on the coffee table was teal", "D. the ceramic mug on the coffee table was white"], "answer": "C", "evidence": "The coffee table has a teal ceramic mug.", "timestamps": "0-35s and 165-221s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "f99399f0-53a3-4cff-9588-21cb6a157538", "description": "0-15s: The video opens with a view of a kitchen counter where cooking is in progress. A person's hands are seen lifting the lid off a white electric deep fryer, revealing hot oil inside. To the right, on a black gas stovetop, a small black frying pan contains a simmering red sauce. Next to it sits another pot with a glass lid. On the counter, there is a metal dish rack holding clean dishes and a tray with already-fried chicken pieces.\n\n15-40s: The person picks up a bright green plastic container from the counter and walks towards a silver refrigerator. They open the fridge door, which has several magnets on it, and place the green container inside among other food items before closing the door. The camera then pans back to the main kitchen area.\n\n40-90s: The scene shifts to the stainless steel sink area. The person turns on the faucet and begins washing their hands under the running water. Afterward, they proceed to wash a white cutting board with red corners using a sponge. Once cleaned, the cutting board is placed upright in the dish rack to dry. Two small, flower-shaped white bowls containing sliced tomatoes are visible on the sink's drainer.\n\n90-130s: Returning to the stove, the person uses wooden chopsticks to pick up pieces of raw, breaded chicken from a white bowl. They carefully place these pieces one by one into the frying pan with the red sauce. As the chicken cooks, they use the chopsticks to stir and turn the pieces, ensuring they are evenly coated in the bubbling sauce.\n\n130-200s: The focus remains on the stovetop as the person continues to cook the chicken in the red sauce. They diligently stir the contents of the pan with the chopsticks. The camera angle provides a clear top-down view of the cooking process, showing the sauce thickening around the chicken pieces.\n\n200-260s: The person moves back to the sink area to continue cleaning. They thoroughly rinse the white cutting board and a knife under the tap. Following this, they wash a white ceramic bowl that previously held the raw chicken, scrubbing it with a sponge before rinsing it clean.\n\n260-310s: Back at the stove, the person retrieves a white serving plate with grey polka dots from an overhead cabinet. Using the chopsticks, they begin transferring the cooked, saucy chicken pieces from the frying pan onto the plate. They arrange all the pieces neatly on the plate.\n\n310-340s: With the first batch of chicken plated, the person takes a paper towel from a roll mounted under the cabinet. They use it to wipe down the countertop near the sink, tidying the workspace. The plate of finished chicken is set aside.\n\n340-382s: The person now attends to the second batch of chicken. They remove the lid from the white electric deep fryer and use a slotted spoon to take out freshly fried, golden-brown chicken pieces. These are placed on a wire rack over a baking sheet to drain excess oil. Finally, they move to the other pot on the stove, lift its glass lid, and stir the contents, which appear to be a soup or stew, with a ladle before placing the lid back on. The video concludes with a final shot of the prepared meal components on the counter.", "questions": [{"question": "After I placed the green container in the refrigerator, what did I do with the white cutting board before I used it again?", "options": ["A. I washed it with a sponge and set it upright in the dish rack to dry.", "B. I rinsed it under the tap and then put it away in the overhead cabinet.", "C. I scrubbed it with a brush and left it flat on the counter to air dry.", "D. I wiped it with a paper towel and placed it next to the sink."], "answer": "A", "evidence": "The person washes the white cutting board with a sponge and places it upright in the dish rack to dry (40-90s).", "timestamps": "15-40s and 40-90s"}, {"question": "Before I transferred the cooked chicken to the serving plate, what had I done with the chopsticks?", "options": ["A. I used them to stir the chicken in the red sauce while it cooked.", "B. I used them to pick up raw breaded chicken from a white bowl.", "C. I used them to remove fried chicken from the deep fryer.", "D. I used them to taste the soup in the pot on the stove."], "answer": "A", "evidence": "The person uses wooden chopsticks to stir and turn the chicken pieces in the frying pan (90-130s, 130-200s).", "timestamps": "90-200s and 260-310s"}, {"question": "Earlier I placed raw breaded chicken into the frying pan. Later, what did I do with the cooked chicken from that same pan?", "options": ["A. I arranged the pieces neatly on a white plate with grey polka dots.", "B. I placed them on a wire rack over a baking sheet to drain oil.", "C. I added them to the pot of soup and stirred with a ladle.", "D. I put them back into the white bowl they came from."], "answer": "A", "evidence": "The person transfers the cooked, saucy chicken pieces from the frying pan onto a white serving plate with grey polka dots and arranges them neatly (260-310s).", "timestamps": "90-130s and 260-310s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "faf0c5ce-160e-4fc4-ac40-53d546bd3e29", "description": "0-25s: The video opens in a dimly lit bedroom. A person is sitting on the bed, which has a wooden frame and is covered with a plaid blanket. They are holding a smartphone with a white screen. Next to the bed is a light-colored wooden nightstand and a white two-drawer cabinet. On the floor, there is a black wire pet crate and a dark suitcase or bag with a tablet resting on it.\n\n25-60s: The camera perspective shifts, showing more of the room's layout. A black leather couch is visible, along with a green beanbag chair on the carpeted floor. The camera then moves towards a kitchen area, revealing a white stove with four burners and an oven towel hanging from its handle. Above the stove is a white range hood and wooden cabinets.\n\n60-90s: The scene transitions to a bathroom. The lighting is now brighter and warmer. A woman with her hair tied up in a bun is seen looking into a mirror. She takes a white digital thermometer from a medicine cabinet, places it in her mouth, and waits for a reading. After checking the temperature, she removes the thermometer and looks at the result.\n\n90-130s: The camera pans around the main living space again. A large flat-screen TV sits on a black media console. On the wall behind the desk setup, a \"BUD LIGHT\" flag is hanging. The room appears somewhat cluttered, with various items on the desk and floor. Another person, wearing a grey long-sleeved shirt with \"KINGS\" written on it, briefly appears in the bathroom mirror's reflection.\n\n130-441s: For the remainder of the video, the camera continues to move through the apartment, capturing different angles of the living room, bedroom, and hallway. The woman who took her temperature is seen walking through the hallway and standing in the living area, sometimes holding a glass. The dog is also seen moving around the room, at one point jumping onto the black leather couch. The overall atmosphere is casual and unscripted, documenting everyday life within the apartment. No further significant actions or object state changes occur.", "questions": [{"question": "After I took my temperature, which of these did I see later in the living room, and what was the color of the couch I had seen before?", "options": ["A. the flat-screen TV and the black leather couch", "B. the BUD LIGHT flag and the green beanbag", "C. the BUD LIGHT flag and the black leather couch", "D. the flat-screen TV and the green beanbag"], "answer": "C", "evidence": "25-60s: ... black leather couch... 60-90s: ... takes a white digital thermometer... 90-130s: ... a 'BUD LIGHT' flag is hanging... flat-screen TV", "timestamps": "25-60s, 60-90s, and 90-130s"}, {"question": "After I saw the BUD LIGHT flag, which of these did I later see the woman do?", "options": ["A. sitting on the bed with a smartphone", "B. opening the white medicine cabinet door", "C. placing a white digital thermometer in her mouth", "D. walking through the hallway holding a glass"], "answer": "D", "evidence": "90-130s: ... a 'BUD LIGHT' flag is hanging... 130-441s: ... woman ... walking ... holding a glass", "timestamps": "90-130s and 130-441s"}, {"question": "Before I saw the white digital thermometer, which of these had I already seen?", "options": ["A. the black wire pet crate near the bed", "B. the BUD LIGHT flag hanging on the wall", "C. the flat-screen TV on the media console", "D. the grey KINGS shirt in the mirror"], "answer": "A", "evidence": "0-25s: ... black wire pet crate... 60-90s: ... takes a white digital thermometer", "timestamps": "0-25s and 60-90s"}], "n_frames_described": 100, "rejected_blind": 0, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "fc4bfef7-e079-4783-92e1-b768cfac8125", "description": "0-45s: The video begins with a first-person view of a person working on the yellow deck of a Walker T25i lawnmower. They are using a green cordless drill to tighten or loosen bolts on the deck mechanism. A white bottle sits on the deck nearby. The person then walks over to a wall-mounted white cabinet, which features a sticker reading \"God Bless Our Troops. Especially Our Snipers.\" and another for \"LINCOLN ELECTRIC PERSONAL TUNE-UP KITS.\" They retrieve a package, possibly gloves or wipes, from the cabinet. Next, they move to a large black tool chest, opening a drawer filled with organized wrenches and sockets to select a specific socket. Afterward, they return to the mower area and wipe their hands with a purple cloth.\n\n45-90s: The person approaches a large garage door illuminated by blue rectangular lights. They press a button on the wall to open the door. As the door rises, revealing the bright outdoors, the person climbs onto the yellow Walker mower. They engage the ignition, and the engine starts.\n\n90-390s: The operator drives the mower out of the garage and onto the paved outdoor area. For several minutes, they maneuver the mower around the asphalt, testing its movement. The camera captures the shadow of the operator and the mower against the sunlit ground. At approximately 250s, they drive past a yellow Hyster forklift parked nearby. They continue to drive back and forth, making turns and adjustments to the controls.\n\n390-432s: The person drives the mower back into the garage and parks it. They dismount and remove a black plastic component, which appears to be a foot pedal cover or lever handle, from the mower's control area. Carrying this part, they walk over to a cluttered workbench. They place the black part on a piece of paper on the bench and begin sorting through clear plastic bags containing small hardware and parts. Visible items on the bench include a box labeled \"GASOLINE OIL MIX,\" a roll of grey tape, and various spray cans.", "questions": [{"question": "After I started the mower's engine and drove it outside, what did I do with the black plastic component that I had earlier removed from the mower's control area?", "options": ["A. I placed it on a paper on the workbench and sorted through bags of hardware", "B. I threw it into a trash bin near the garage door before driving away", "C. I left it on the mower's seat while I tested the machine outdoors", "D. I handed it to a person standing beside the yellow forklift outside"], "answer": "A", "evidence": "At 390-432s, the person removes a black plastic component from the mower's control area, carries it to a cluttered workbench, places it on a piece of paper, and begins sorting through clear plastic bags containing small hardware and parts.", "timestamps": "0-45s (initial work on mower) and 390-432s (removal and placement of black component)"}, {"question": "Which of these actions did I perform first in the video?", "options": ["A. I pressed the wall button to open the large garage door", "B. I selected a specific socket from the organized tool chest drawer", "C. I used the green cordless drill to tighten bolts on the deck", "D. I removed a black plastic component from the mower's control area"], "answer": "C", "evidence": "The video begins with first-person view working on the deck using a green cordless drill to tighten or loosen bolts, before any other actions.", "timestamps": "0-45s (drill use), 45-90s (garage door), 390-432s (component removal)"}, {"question": "Which pair of actions correctly identifies the first and last actions I performed in the video?", "options": ["A. I used the green cordless drill first and sorted through bags last", "B. I selected a socket first and removed the black component last", "C. I opened the garage door first and drove the mower outside last", "D. I wiped my hands first and placed the component on the bench last"], "answer": "A", "evidence": "The first action is using the green drill on the deck; the last action is sorting through clear plastic bags on the workbench after placing the black component there.", "timestamps": "0-45s (drill), 390-432s (sorting bags)"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "f8347042-3591-4c0d-9ce7-a4ad407e7245", "description": "0-12s: The video begins with a static shot of a closed, dark brown double door in a room with white walls. To the left of the door are two wall-mounted controls and electrical outlets near the floor. The camera then tilts down to show a grey carpeted floor before cutting to black. Afterward, it briefly shows a blurry view of the top of the door frame and handle from a low angle.\n\n12-36s: The scene cuts to an office space where a man with reddish hair, wearing a plaid shirt and black smart glasses, is seated at a white desk with a laptop. He adjusts his glasses. The camera pans away from him, moving through a glass doorway into a larger, open-plan living area. A woman with long braids, also wearing smart glasses, appears smiling as she enters this new space. The living area features large windows overlooking trees, a sofa, and a television on a stand.\n\n36-72s: The camera follows the woman as she walks through the apartment. She gestures towards a bedroom visible through a glass partition, which contains a made bed with white linens. She then moves past a black folding screen that acts as a room divider. The camera captures her walking around the space, showing different angles of the living room and the bedroom area behind the screen.\n\n72-108s: The tour continues as the woman walks along a wall lined with large windows. She points out the window at the scenery outside. The camera pans across the room, revealing more details like a coffee station on a white cabinet against the window, complete with a coffee maker and snacks. It then moves to show a dining area with a glass table, white chairs, and a vase of yellow tulips. On the wall above the table hangs a \"We Can Do It!\" poster.\n\n108-144s: The camera shifts focus to a corner of the room containing musical instruments: an electronic keyboard on a stand, a small drum with drumsticks resting on it, and the headstock of a guitar leaning against the wall. The woman picks up an acoustic guitar and holds it while standing near the dining table. The camera then pans up to show three vertical abstract paintings on the wall, featuring swirls of blue, teal, and grey.\n\n144-180s: The camera focuses on the artwork, first showing the three abstract pieces, then panning to a poster of the solar system, and finally returning to the \"We Can Do It!\" poster. The woman stands nearby, observing the art. The camera provides close-up views of a silver, teardrop-shaped sculpture on a low white bookshelf filled with books.\n\n180-216s: The woman walks towards a set of accordion-style glass doors that separate the main living area from another section of the apartment. Through the glass, a glimpse of the bedroom can be seen. The camera follows her as she moves back into the main living space, passing by a grey sofa and a floor lamp. The final shots pan across the living room, showing the layout with the sofa, coffee table, and the large windows that let in bright daylight.", "questions": [{"question": "After I saw the coffee station, which piece of art did I see last?", "options": ["A. the 'We Can Do It!' poster", "B. the silver teardrop sculpture", "C. the three abstract paintings", "D. the solar system poster"], "answer": "B", "evidence": "The coffee station is seen around 72-108s, followed by the dining area, musical instruments, and later the artwork. The silver teardrop sculpture appears on the bookshelf in the final focus on art (144-180s).", "timestamps": "72-108s and 144-180s"}, {"question": "Before I saw the sculpture, I saw the woman pick up a guitar. Which art did I see immediately after she picked it up?", "options": ["A. the solar system poster", "B. the 'We Can Do It!' poster", "C. the silver teardrop sculpture", "D. the three abstract paintings"], "answer": "D", "evidence": "The woman picks up an acoustic guitar at 108-144s, and the camera then pans to three vertical abstract paintings on the wall. The sculpture is seen later in the same timeframe.", "timestamps": "108-144s and 144-180s"}, {"question": "After I saw the sculpture, I realized I had seen the woman pick up a guitar earlier. Before she picked it up, where was the guitar?", "options": ["A. resting on the white cabinet by the window", "B. leaning against the wall near the dining table", "C. lying on the grey sofa in the living area", "D. propped against the black folding screen"], "answer": "B", "evidence": "the headstock of a guitar leaning against the wall (108-144s), the woman picks up an acoustic guitar (108-144s), the sculpture appears later (144-180s)", "timestamps": "108-144s and 144-180s"}, {"question": "After I saw the woman walk past the black folding screen, I later saw her stand near the dining table. What was on the dining table at that later moment?", "options": ["A. a white coffee maker with a small bowl of snacks", "B. a neatly stacked pile of hardcover books from the shelf", "C. a tall clear glass vase filled with bright yellow tulips", "D. a small drum with wooden drumsticks resting on top"], "answer": "C", "evidence": "a black folding screen (36-72s), a dining area with a glass table, white chairs, and a vase of yellow tulips (72-108s)", "timestamps": "36-72s and 72-108s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "fca910e9-6c7c-4c4e-93c1-0b3ff215ea7d", "description": "0-60s: The video begins with a view inside a cluttered wooden cabinet under a bathroom sink, filled with various bottles and a cardboard box labeled \"MADE FRESH IN...\". The camera pans up to the bathroom counter, which is crowded with toiletries including toothpaste, a red lid, and bottles. A hand places a small white bottle and a tube on the counter. The person then opens a white medicine cabinet mounted on the wall, revealing shelves stocked with more bottles and boxes. After closing it, they look into the mirror. The scene shifts to a bedroom where a hanging organizer with colorful polka dots is attached to a door. The person reaches into the pockets, retrieving a green tube and an orange bottle, holding them up for inspection.\n\n60-120s: The person continues to interact with the door organizer, pulling out a bundle of hair ties and examining them. They return to the bathroom and begin packing a beige toiletry bag on the counter. Various tubes and bottles are placed inside. In the mirror reflection, the person, wearing a black t-shirt and reddish pants, adjusts their shirt. They continue to sort through items on the counter, picking up a toothbrush and other small containers to add to the bag.\n\n120-180s: The person finishes packing the toiletry bag. They walk out of the bathroom, through a hallway, and into a kitchen area. A white toaster oven sits on a black stovetop. The person opens a yellow drawer beneath the stove, revealing papers and a box inside, before closing it. They return to the bathroom, where a shower caddy hanging in the shower stall holding shampoo and conditioner bottles is visible. The person stands in front of the bathroom mirror again, holding the beige bag.\n\n180-240s: The person moves back to the bedroom, where a bed is covered in a patterned duvet and scattered with clothes, socks, and shoes. They pick up a small orange container and a black object from the bed. The camera focuses on a blue cube storage unit against the wall. The person approaches the unit and pulls out one of the fabric drawers from the bottom left cube.\n\n240-300s: The person reaches into the blue drawer and pulls out a pair of dark pants. They hold the pants up, inspect them, and fold them. The folded pants are placed back into the drawer. They continue to sort through the drawer's contents, rearranging items.\n\n300-360s: Still at the blue cube shelf, the person pulls out a blue garment, likely leggings, from the drawer. They hold it up, fold it, and place it back inside. They rearrange other items in the drawer, ensuring everything fits neatly.\n\n360-420s: The person continues organizing the drawer. They pull out a grey item with text on it, fold it, and put it back. They adjust the position of the clothes inside the drawer, pressing them down to fit more items.\n\n420-480s: The final segment shows the person finishing the organization of the blue drawer. They arrange a red item and a yellow item inside. They push the drawer back into the blue cube shelf, completing the task. The video ends with the drawer closed.", "questions": [{"question": "Earlier I removed a green tube and an orange bottle from the door organizer in the bedroom. Later, while I was packing the toiletry bag, which of these did I place inside it?", "options": ["A. The green tube from the door organizer went into the bag.", "B. The orange bottle from the door organizer went into the bag.", "C. Both the green tube and the orange bottle went into the bag.", "D. Neither the green tube nor the orange bottle went into the bag."], "answer": "C", "evidence": "The person reaches into the door organizer, retrieving a green tube and an orange bottle, then later packs various tubes and bottles into the beige toiletry bag.", "timestamps": "0-60s and 60-120s"}, {"question": "During my organizing of the blue drawer, I first pulled out a pair of dark pants, then a blue garment, then a grey item with text. What did I do right after folding the grey item?", "options": ["A. I placed the grey item back inside the blue drawer.", "B. I rearranged the clothes and pressed them down to fit more.", "C. I pulled out a red item and a yellow item from the drawer.", "D. I pushed the drawer back into the blue cube shelf."], "answer": "B", "evidence": "The person pulls out a grey item, folds it, puts it back, then adjusts the position of the clothes inside the drawer, pressing them down to fit more items.", "timestamps": "360-420s"}], "n_frames_described": 100, "rejected_blind": 3, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "fe5a2b58-a79e-4881-9be4-15fa9f2cca95", "description": "0-15s: The video opens with a view of a living room, showing a wall decorated with green vines and a person in a pink shirt adjusting them. The camera then pans to the kitchen area, revealing a white refrigerator covered in magnets and notes, a dishwasher, and various groceries piled on the floor next to a stroller.\n\n15-45s: The focus shifts to the interior of the open refrigerator. A hand reaches in and moves items around on the shelves, which are stocked with eggs, blueberries, milk, cheese, and other containers. The camera provides close-up views of the contents as they are rearranged.\n\n45-90s: The scene returns to the pile of groceries on the kitchen floor. Visible items include large blue water jugs, a net bag of lemons, a carton of eggs, and several plastic bags containing vegetables like cabbage and carrots. A cat briefly walks through the frame. The camera lingers on this assortment before panning back towards the fridge.\n\n90-135s: The freezer compartment of the refrigerator is now open, revealing it is packed with frozen goods in plastic bags and boxes. A hand sorts through the items, moving packages of meat and other frozen foods around to find space or locate something specific.\n\n135-180s: After closing the freezer, the camera shows the main fridge door being opened again. Items from the grocery pile on the floor are brought over and placed inside the refrigerator, including a package of what appears to be chicken breasts. The process involves opening the fridge, placing an item inside, and repeating.\n\n180-225s: The camera focuses on the remaining groceries on the floor. A person's hands are seen sorting through a plastic bag filled with onions, pulling them out one by one. Other produce, such as ginger and apples, remains in their bags nearby.\n\n225-270s: The perspective changes to show another person at the kitchen counter near the sink. This individual begins unpacking more groceries, taking oranges out of a bag and placing them into a white tiered fruit basket that already contains some fruit.\n\n270-315s: The first person returns to the sink area. They take a black styrofoam tray wrapped in clear plastic film, containing raw red meat, and place it in the sink. They proceed to unwrap the plastic film from the meat tray.\n\n315-360s: With the meat unwrapped, the person uses their hands to separate the pieces of raw meat from the tray and places them into a clear plastic bag sitting in the sink. A bowl of soaked noodles is visible on the counter to the left.\n\n360-405s: The person continues to handle the raw meat, transferring all the pieces from the original tray into the new plastic bag. Once finished, they set the empty tray aside. Another person in a pink shirt walks past in the background.\n\n405-450s: The second person approaches the first, who is still working at the sink. The second person picks up an empty plastic bag and holds it open while the first person transfers the bagged meat into it for storage.\n\n450-480s: The two people finish handling the meat. The final shots show the prepared meat ready for storage, the messy but organized state of the kitchen after the grocery run, and the general environment of the home.", "questions": [{"question": "After I placed the oranges into the fruit basket, why did I return to the sink, and what item did I handle there that I had not taken from the refrigerator?", "options": ["A. because I needed to wash the oranges, and I handled the fruit basket", "B. because I needed to prepare the raw meat, and I handled the black styrofoam tray", "C. because I needed to put away the noodles, and I handled the bowl", "D. because I needed to clean the sink, and I handled the sponge"], "answer": "B", "evidence": "The first person returns to the sink area and takes a black styrofoam tray containing raw red meat, unwraps it, and transfers the meat into a plastic bag.", "timestamps": "225-270s and 270-315s"}, {"question": "What was the condition of the plastic bag that was in the sink before I placed the meat into it, and what did I do with the bag after I had placed the meat?", "options": ["A. It was empty and I later transferred the meat from it to another bag", "B. It was full of water and I later poured it out", "C. It was filled with onions and I later emptied it into a bowl", "D. It was holding oranges and I later placed it in the refrigerator"], "answer": "A", "evidence": "The sink had a clear plastic bag sitting in it. After placing the meat pieces into that bag, I then transferred the bagged meat into another bag held by my assistant.", "timestamps": "315-360s and 405-450s"}], "n_frames_described": 100, "rejected_blind": 2, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}} {"video_id": "feaf7655-ad23-4150-9e9d-552c369db96d", "description": "0-45s: The video begins with a first-person view of a person standing at a brown workbench. On the table lies a long, light-colored wooden plank. The person uses a long silver metal ruler to measure the wood and marks a line with a black pencil. Various tools are scattered on the table, including a yellow circular saw, green-handled clamps, and a red tape measure.\n\n45-90s: The person picks up the yellow circular saw and positions it on the marked line of the wooden plank. They proceed to cut the wood lengthwise. Sawdust is generated as the blade moves through the timber. Once the cut is complete, the person sets the saw down.\n\n90-135s: The person lifts the newly cut piece of wood and carries it towards a green stepladder. They climb the ladder and position the wood against the ceiling, which is being paneled with similar light wood planks. Using a yellow cordless nail gun, they secure the plank to the ceiling structure, working carefully around a dark-colored ceiling fan.\n\n135-180s: After securing the plank, the person climbs down the ladder. A young child is visible on the floor below, playing with a grid-like structure made of white wooden pieces. The person walks across the room, passing a blue mini-trampoline, and heads towards a glass door leading outside.\n\n180-225s: The person exits the room through the glass door and descends a set of wooden stairs onto a concrete patio. They walk past a black vehicle parked nearby and approach an open garage or workshop area.\n\n225-270s: Inside the workshop, the person stands at a workbench equipped with a large yellow miter saw. They use a red tape measure to measure a fresh piece of lumber. They then operate the miter saw, bringing the blade down to cut the wood. After the cut, they pick up the resulting piece.\n\n270-315s: Carrying the cut wood, the person walks back out of the garage, up the wooden stairs, and re-enters the room. They place the wood on the brown workbench. They retrieve the red tape measure and begin measuring and marking the new piece of wood, preparing it for the next step.\n\n315-360s: The person uses the handheld yellow circular saw again to cut the wood on the workbench. They guide the saw along the marked line, creating another precise cut. Sawdust accumulates on the table surface.\n\n360-410s: With the new piece cut, the person climbs the green ladder once more. They lift the wood up to the ceiling, positioning it near the ceiling fan to test its fit against the existing paneling. While holding it in place, they use the black pencil to mark specific points on the wood, likely indicating where adjustments or cuts are needed.\n\n410-480s: The person brings the wood down from the ceiling. Holding the plank horizontally in front of them, they continue to mark it with the pencil, refining the measurements based on the test fit against the ceiling. The video ends with the person inspecting their markings on the wood.", "questions": [{"question": "Before I used the miter saw in the workshop, what action had I performed with the circular saw?", "options": ["A. measuring the new lumber with a red tape measure in the workshop", "B. securing a plank to the ceiling with a yellow nail gun", "C. cutting the first plank lengthwise at the workbench with the circular saw", "D. marking the second piece with a black pencil during the test fit"], "answer": "C", "evidence": "The person picks up the yellow circular saw and positions it on the marked line of the wooden plank. They proceed to cut the wood lengthwise. Later, inside the workshop, the person stands at a workbench equipped with a large yellow miter saw.", "timestamps": "45-90s and 225-270s"}, {"question": "After I returned from the workshop with the new piece, why did I climb the ladder again?", "options": ["A. to secure the first plank to the ceiling with a nail gun", "B. to measure the new piece with a red tape measure", "C. to mark the first plank with a black pencil", "D. to test-fit the new piece against the ceiling"], "answer": "D", "evidence": "Carrying the cut wood, the person walks back out of the garage, up the wooden stairs, and re-enters the room. They place the wood on the brown workbench. Later, the person climbs the green ladder once more. They lift the wood up to the ceiling, positioning it near the ceiling fan to test its fit against the existing paneling.", "timestamps": "270-315s and 360-410s"}, {"question": "After I cut the new piece on the workbench, I climbed the ladder again. What was the reason for this second climb?", "options": ["A. to test how well the piece fit against the existing paneling", "B. to fasten the piece to the ceiling with the nail gun", "C. to measure the distance from the ceiling fan to the wall", "D. to retrieve the black pencil I left on the ladder"], "answer": "A", "evidence": "The person climbs the ladder, lifts the wood to the ceiling, and positions it near the ceiling fan to test its fit against the existing paneling.", "timestamps": "315-360s (cutting) and 360-410s (test fit)"}], "n_frames_described": 100, "rejected_blind": 4, "models": {"desc": "qwen/qwen3.5-122b-a10b", "qgen": "deepseek/deepseek-v4-flash-0731", "blind": "deepseek/deepseek-v4-flash-0731", "verify": "qwen/qwen3.5-27b"}}