Explanation: The image shows a wall charger with two AC prongs and a cable ending in a small phone connector (looks like a Lightning-style tip). There is no USB-A or USB-C plug/port visibly shown.

Answer: 2


Explanation: A power plug with metal prongs is clearly shown at the bottom-left attached to the extension cord (and another plug end is visible on the right).

Answer: 0


Explanation: The fire extinguisher’s operating handle assembly is visible at the top, including the black lever that is pressed/squeezed to discharge the extinguisher.

Answer: 0


Explanation: The image shows a faucet, and on the top of the faucet there is a clearly defined cross-shaped turning knob/handle used to open and close the water flow.

Answer: 0


Explanation: The image shows a red fire engine truck, and multiple black wheels/tires are clearly visible along the bottom side of the vehicle.

Answer: 0


Explanation: The kettle’s pouring spout is visible on the left side of the kettle body as a protruding, pointed metal section used for pouring.

Answer: 0


Explanation: The image shows an electric kettle, and on the right side there is a large black curved grip attached to the kettle body, which is the handle and is clearly distinguishable from the background.

Answer: 0


Explanation: The bicycle seat (saddle) is clearly shown on top of the seat post near the rear of the frame, with its full shape visible against the plain background.

Answer: 0


Explanation: The bicycle’s handlebar is clearly shown at the front/top of the bike, including the curved chrome bar and grips.

Answer: 0


Explanation: The bicycle’s pedal is visible near the bottom center of the image: you can clearly see the pedal attached to the crank arm (with its rectangular shape and edges), and another pedal is also present on the opposite side.

Answer: 0


Explanation: On the kettle’s base there is a distinct small red oval lens/window on the front, which is the typical placement and appearance of a power/indicator light, and it stands out clearly against the black base.

Answer: 0


Explanation: The image shows an open laptop, and the keyboard keys are clearly visible on the base of the laptop beneath the screen.

Answer: 0


Explanation: The fan’s control area on the front of the handle shows a vertical row of buttons/controls, which function as switches and are plainly visible in the image.

Answer: 0


Explanation: The image shows a shopping cart, and at the top rear there is a horizontal bar with a white grip and green supports, which is the cart’s handle. It is clearly unobstructed and easy to see.

Answer: 0


Explanation: The shopping cart has multiple caster wheels at the bottom; the black circular wheels are clearly seen on the lower corners.

Answer: 0


Explanation: The airplane’s nose shows a red cover/attachment where the propeller would be, and no distinct propeller blades can be seen extending from the hub (no clear blade shape or outline is visible).

Answer: 2


Explanation: The aircraft’s tail fin (vertical stabilizer) is visible at the rear of the fuselage on the left side of the image, rising upward above the tail with markings on it.

Answer: 0


Explanation: The plane is shown mostly from one side, so only the windows on the near side of the fuselage are visible. Any windows on the opposite side (and possibly some obscured by the wing/struts) cannot be seen in this view.

Answer: 2


Explanation: At the rear of the aircraft (left side of the image), you can see a thin, wing-like surface extending horizontally from the tail section beneath the vertical fin—this is the horizontal stabilizer. Its outline is clear against the sky.

Answer: 0


Explanation: The image shows a toaster, and on the top surface there are two long rectangular openings where bread is inserted; these bread slots are clearly visible.

Answer: 0


Explanation: The image shows the interior of a car from the driver’s perspective, and a large circular steering wheel is clearly visible on the left side in front of the instrument cluster.

Answer: 0


Explanation: The image shows a toaster, and on the right side there is a distinct vertical slot with a black handle/knob used to push the toast down; this is the toaster lever and it is clearly visible.

Answer: 0


Explanation: The image shows the interior of a car looking out through the windshield, and a rectangular rear-view mirror is clearly visible at the top center of the windshield area.

Answer: 0


Explanation: The aircraft is shown in a side view, and the tail section is clearly visible. The vertical stabilizer (the upright tail fin) can be seen prominently at the rear, painted blue with the airline logo.

Answer: 0


Explanation: The image shows a passenger jet in flight, and the two large engine nacelles mounted under the wings are clearly visible and distinct against the sky.

Answer: 0


Explanation: The airplane is shown in a clear side profile, and at the front (nose) you can distinctly see the dark, angled cockpit window shapes against the white fuselage.

Answer: 0


Explanation: The aircraft’s tail section is clearly shown, and you can see the horizontal stabilizer surfaces extending from the rear fuselage on both sides (left side prominently, right side partially).

Answer: 0


Explanation: The bicycle’s steering bar is visible at the very top of the frame: a horizontal bar with grips and cables extending toward the front wheel.

Answer: 0


Explanation: The image shows an electric bicycle, and the saddle/seat is clearly present above the rear wheel on the seatpost, with its full shape visible.

Answer: 0


Explanation: The bike’s crank area is visible near the bottom-center of the image, and you can clearly see a pedal attached to it (including the pedal body/reflector).

Answer: 0


Explanation: The cup lid is clearly shown from above, and there is a distinct oval drinking opening near the rim at the lower part of the lid.

Answer: 0


Explanation: The back of the iPad is shown, and the Apple logo is prominently centered and clearly contrasted against the silver surface, making it easy to see.

Answer: 0


Explanation: The back of an iPad is shown, and there is a small circular lens area near the top-left corner. It’s present but quite small and not very prominent in the image.

Answer: 1


Explanation: The phone is shown from an angle where the bottom edge is visible, and you can clearly see the central charging port opening between the speaker grilles.

Answer: 0


Explanation: The image shows the back of an iPad at an angle, with the bottom and side edges not clearly facing the camera. Speaker grilles/holes would typically be on an edge (often the bottom), but no row of small perforations is discernible anywhere on the visible surfaces.

Answer: 2


Explanation: The phone’s front face is visible, and at the bottom center there is a distinct circular home button with a square icon inside it.

Answer: 0


Explanation: The phone’s bottom edge is visible, and you can see the perforated grille pattern (small round holes) near the charging port, which are the speaker holes.

Answer: 0


Explanation: The phone is shown from an angle that exposes its bottom edge. On the left side of that bottom edge, there is a circular port consistent with a 3.5mm headphone jack, and it’s clearly distinguishable next to the speaker grilles and charging port.

Answer: 0


Explanation: The keyboard is shown at an angle, and the top-left key labeled “ESC” is clearly readable and unobstructed.

Answer: 0


Explanation: The image shows the back of an iPad, and there is a small circular rear camera lens located near the top-left corner. It’s present but relatively small compared to the device, so it may take a moment to notice.

Answer: 1


Explanation: The laptop keyboard is visible, including the top-left corner where the Esc key normally sits. However, due to the viewing angle and resolution, the “Esc” label isn’t clearly readable, making it difficult to confidently see the key’s marking even though the key itself is present.

Answer: 1


Explanation: The laptop’s keyboard is clearly shown, and on the bottom row there is a long horizontal key centered beneath the letter keys, which is the space bar. Its outline and shape are plainly distinguishable.

Answer: 0


Explanation: The laptop is shown open, and on the palm rest below the keyboard there is a large, clearly outlined rectangular touchpad area in the center-right portion of the base.

Answer: 0


Explanation: At the bottom of the screen, the Windows taskbar is visible. Near the center-left of that taskbar, you can make out the Windows logo (Start) icon next to the search box and other pinned icons, but it’s small and not very sharp in the photo.

Answer: 1


Explanation: The laptop lid in the image shows the distinctive Apple silhouette logo centered on the top surface, with clear contrast against the silver casing, making it easy to see.

Answer: 0


Explanation: The image shows a motorcycle from the front-left angle, and there are two round lamps mounted at the front (the headlights) that are clearly visible.

Answer: 0


Explanation: The image shows the underside of a computer mouse. In the central area there is an oval recessed opening where the optical sensor/lens typically sits, but the photo is low-resolution and slightly blurred, making the sensor window details not very distinct.

Answer: 1


Explanation: At the top of the motorcycle, the steering area shows a horizontal bar with grips and control levers extending outward, which are the handlebars, and they are unobstructed.

Answer: 0


Explanation: The runway designation marking “30R” is painted in large white characters near the foreground and is clear and legible.

Answer: 0


Explanation: The remote control shows a distinct red button at the top-right with the universal power symbol (circle with a vertical line), making it easy to identify.

Answer: 0


Explanation: The railway tracks are clearly visible in the foreground and extend into the distance alongside the train; the rails and sleepers are distinct and unobstructed.

Answer: 0


Explanation: The Windows taskbar is visible along the bottom edge, and at the far bottom-left there is the circular Windows logo orb that serves as the Start button. It’s clear and unobstructed.

Answer: 0


Explanation: The locomotive’s driver cab is at the front, and you can clearly see the dark, rectangular windshield/cab windows on the upper front/side of the nose.

Answer: 0


Explanation: The front of the locomotive is facing the camera, and there are clearly visible circular headlight/ditch-light lenses on the nose area (one appears illuminated).

Answer: 0


Explanation: The watch’s crown (the small knob used to set the time) is visible protruding from the right side of the case around the 3 o’clock position, clearly distinguishable against the background.

Answer: 0


Explanation: The sink basin shows a drain fitting at the bottom with distinct openings/slots in the drain cover, making the drain holes clearly identifiable.

Answer: 0


Explanation: The image shows a front-on view of an airplane, and near the top of the nose there are distinct dark cockpit window panels that contrast clearly against the lighter fuselage.

Answer: 0


Explanation: The underside of a twin‑engine jet is shown, and both cylindrical engine nacelles are clearly visible under the wings.

Answer: 0


Explanation: The helicopter’s main rotor is clearly visible on top of the fuselage: multiple long rotor blades extend outward from the central hub against the sky, making them easy to see.

Answer: 0


Explanation: The image shows a passenger airplane from below, and there are two jet engines mounted under the wings. Their circular nacelles and dark intake openings are clearly visible.

Answer: 0


Explanation: The aircraft is shown from the side, and the tail section is clearly in view. The vertical fin at the rear (painted blue with the airline logo) is distinctly visible above the horizontal stabilizers.

Answer: 0


Explanation: The backpack’s top carry/lift handle is visible at the very top of the bag, arched over the opening with a branded grip section, making it easy to see.

Answer: 0


Explanation: The cup lid shows an oval drinking opening near the left edge of the lid, with some coffee residue around it, making the sip hole easy to identify.

Answer: 0


Explanation: The red car’s side-view mirror is plainly visible on the near side of the vehicle, protruding from the door area next to the front window.

Answer: 0


Explanation: The cup lid shows a distinct oval drinking opening on the raised rim near the front edge (with a bit of coffee residue around it), which indicates the sip hole is plainly present.

Answer: 0


Explanation: The white Apple power adapter shows a rectangular charging port on the side facing the camera near the bottom edge; its opening is clearly distinguishable against the case.

Answer: 0


Explanation: A metal lever-style door handle is clearly visible on the right side of the door, along with the lock plate around it.

Answer: 0


Explanation: The image shows the bottom of a white device case, and there is a clearly visible USB-C charging port centered on the lower edge.

Answer: 0


Explanation: The door edge shows the latch faceplate and an opening where the latch bolt would normally protrude, but there is no distinct bolt/tongue visible extending from or clearly present within the opening (it appears recessed or absent).

Answer: 2


Explanation: A circular drain/grate is clearly visible on the left side of the fountain basin.

Answer: 0


Explanation: The image shows a drinking fountain, and the bubbler/spout where water comes out is clearly visible at the lower-right edge of the basin.

Answer: 0


Explanation: The bottom edge of the white device shows an oblong USB‑C–shaped opening in the center, which is the charging port, and it’s unobstructed and easy to see.

Answer: 0


Explanation: The image shows a game controller, and two circular analog stick controls are clearly visible near the lower center of the controller (one on the left and one on the right).

Answer: 0


Explanation: The back of the device is shown and the Apple logo is centered on it with clear contrast against the gray surface, making it easy to see.

Answer: 0


Explanation: The image shows the back of an iPad, and in the top-left corner there is a distinct circular camera lens module that is clearly identifiable.

Answer: 0


Explanation: The iPad’s status bar in the top-right corner shows a numeric battery percentage (“17%”) next to the battery icon, and it is readable in the photo.

Answer: 0


Explanation: The image shows the bottom edge of a smartphone. On the right side of the charging port there is a row of circular perforations (speaker grille), which indicates the speaker is visible and easy to see.

Answer: 0


Explanation: The image shows the back of an iPhone, and its rear camera module (the black vertical oval with lenses/flash) is clearly visible near the top-left of the phone.

Answer: 0


Explanation: Near the bottom edge of the iPad (slightly left of center), there are three small circular contact dots arranged in a row, which correspond to the Smart Connector pins. They’re small and faint, so they aren’t immediately obvious but they are present.

Answer: 1


Explanation: The image shows a full keyboard in clear view, and the long horizontal key in the bottom row (the space bar) is plainly visible near the center of the keyboard.

Answer: 0


Explanation: The image shows an open laptop, and on the palm rest below the keyboard there is a large rectangular touchpad area clearly outlined and unobstructed.

Answer: 0


Explanation: The underside of the laptop shows multiple circular pads at the corners (the typical rubber feet), which are distinct in shape and contrast against the case, making them easy to see.

Answer: 0


Explanation: The laptop keyboard is visible, and on the right side there is a small cluster of keys with arrow symbols (up/down/left/right) that can be seen distinctly.

Answer: 0


Explanation: The front of the train shows two illuminated circular lamps (headlights) shining bright yellow, making them easy to spot against the locomotive body.

Answer: 0


Explanation: The front of the train is facing the camera, and two rectangular windshield/driver cab windows are visible on the upper front of the locomotive above the headlights.

Answer: 0


Explanation: The phone’s front face is visible, and there is a distinct circular button on the lower bezel (near the right side of the image), which is the home button; its outline is clear and unobstructed.

Answer: 0


Explanation: The image shows the top of a wired computer mouse. Between the left and right buttons, a raised central wheel (the scroll wheel) is clearly visible.

Answer: 0


Explanation: The motorcycle is viewed from the rear, so the handlebars aren’t clearly shown; however, near the top above the fuel tank/instrument cluster there are small chrome parts consistent with the handlebar area, but they’re partially obscured and not distinct.

Answer: 1


Explanation: The outlet faceplate shows two metal screw heads (one near the top by the “C14” label and one near the bottom). Their circular heads and slots are clearly visible against the white plate.

Answer: 0


Explanation: The image shows a standard duplex electrical outlet, and each socket has a round grounding hole below the two flat blade slots; these circular holes are clearly visible.

Answer: 0


Explanation: The image shows a kitchen sink basin, and at the center-bottom there is a circular metal drain fitting with visible openings, indicating the drain hole is clearly present and easy to see.

Answer: 0


Explanation: The wall outlet faceplate shows two slotted screws—one near the top and one near the bottom—clearly visible against the white plate.

Answer: 0


Explanation: Railway tracks are clearly visible running along the right side of the image, with distinct rails and ballast beside the platform where the train is located.

Answer: 0


Explanation: An overflow opening is typically a slot or hole on the basin’s inner vertical wall near the top, above the drain. In this image, the only visible openings besides the drain are two small, round dark holes on the flat surface near the back rim, which don’t match a standard overflow opening and don’t show a clear overflow slot on the basin wall.

Answer: 2


Explanation: The image shows a Columbia jacket with a zipper. Upon close inspection, there is no visible zipper tag (the small tab typically attached to the end of a zipper). The detection result also confirms that the zipper tag is undetected. Therefore, the zipper tag is not visible.

Answer: 2


Explanation: The image displays a托盘天平 (tray balance), a type of weighing instrument. There is no ruler present in the image. The detection result for 'ruler' indicates it is undetected (confidence <0.1), confirming the ruler is not visible.

Answer: 2


Explanation: To determine if a dial is visible, we analyze the image and detection results. The image shows a balance scale with components like pans, a central beam, a base, and adjustment mechanisms. A dial is typically a circular scale with markings, which is not present in the visible components. The detection result also indicates the dial is undetected with low confidence. Thus, a dial is not visible.

Answer: 2


Explanation: The image displays a classical guitar, and the headstock (the upper part of the guitar) contains tuning pegs. These tuning pegs on the headstock are clearly visible in the image.

Answer: 0


Explanation: The pressure gauge on the fire extinguisher has a needle that is visually discernible in the image. The gauge is positioned near the top of the extinguisher, and the needle’s presence and position can be clearly identified upon visual inspection.

Answer: 0


Explanation: The image of the violin shows two f-holes on the body. These f-holes are distinct, well-defined, and easily visible against the violin's surface. Therefore, the f-holes are clearly visible.

Answer: 0


Explanation: Tuning pegs are located at the top of the violin (near the scroll) and are used to adjust string tension. In the provided image of the violin, these tuning pegs are clearly visible at the top of the instrument, distinct from other parts of the violin.

Answer: 0


Explanation: The fingerboard is the long, flat surface on the violin’s neck where fingers press strings. In the provided image, this part is clearly visible running along the neck from the nut to the violin’s body.

Answer: 0


Explanation: The wheelchair in the image features two large rear wheels and two smaller front wheels. The front wheel (smaller) is clearly visible behind the rear wheel, positioned near the footrests. Despite the detection tool’s low-confidence “undetected” result, visual inspection confirms the front wheel is present and visible.

Answer: 0


Explanation: The violin’s strings are typically located between the bridge and fingerboard. In the provided image, the strings are not distinguishable. The detection result for 'strings' shows a confidence of 0.035 (well below 0.1) and labels it as 'undetected', confirming the strings are not visible.

Answer: 2


Explanation: To determine if the coarse focus knob is visible, we visually inspect the microscope image. The coarse focus knob is a prominent, larger knob typically located on the side of the microscope. In the provided image, such a knob is clearly visible on the lower side of the microscope, consistent with the standard location of a coarse focus knob. Thus, the coarse focus knob is clearly visible.

Answer: 0


Explanation: To determine if a reflector is visible, we analyze the microscope image. A reflector (e.g., a mirror) in a microscope typically aids in light reflection. However, in the provided image, no distinct reflector (mirror or similar reflective component) is visible. The microscope’s visible parts include the stage, objective lenses, and body, but no reflector is apparent.

Answer: 2


Explanation: A stage clip is a component on the microscope stage that secures slides. In the provided microscope image, the stage (flat platform) has a visible stage clip (a small part clamping the slide area). The tool’s detection result may have low confidence, but visual inspection confirms the stage clip is clearly visible.

Answer: 0


Explanation: The image displays a pair of scissors with two black handles. Each handle features a finger hole (the opening designed for fingers), which is distinctly visible in the image.

Answer: 0


Explanation: To determine if the fine focus knob is visible, we analyze the microscope image. Microscopes have two focus knobs: a larger coarse focus knob and a smaller fine focus knob. In the provided image, the fine focus knob (smaller, for precise focusing) is visible on the side of the microscope, near the top. Thus, it is clearly visible.

Answer: 0


Explanation: The image depicts a cylindrical container with a smooth, uniform surface. There are no visible protrusions, loops, or other structures that would indicate the presence of a handle. The detection result also confirms that a handle is undetected with low confidence. Therefore, a handle is not visible in the image.

Answer: 2


Explanation: In the image of the spectacles, the temple arms (the parts extending from the frames to go over the ears) are clearly visible. Both temple arms can be seen, with their black tips distinguishable. Thus, at least one temple arm is clearly visible.

Answer: 0


Explanation: A rim is the edge of a container’s opening. In the image, the top edge of the mug (its opening) is clearly distinguishable, so the rim is visible.

Answer: 0


Explanation: The image displays a comb (labeled '梳子' in Chinese). The question asks about the visibility of 'teeth'—in the context of a comb, this refers to the comb's tines (individual teeth). Upon examining the image, the comb's tines are not clearly visible. The object detection result also indicates 'undetected' with very low confidence, confirming that the comb's teeth are not visible in the image.

Answer: 2


Explanation: To determine if a nose pad is visible, we analyze the spectacles in the image. Nose pads are small components attached to the frame, resting on the nose. In this image, the spectacles have a metal frame and black arms, but no distinct nose pad is visible. The detection result also confirms the nose pad is undetected, supporting that it is not visible.

Answer: 2


Explanation: The alarm clock in the image has a face with numbered hours, but no clock hands (hour or minute hands) are visible on the clock face. The central part of the clock does not display any hands. Additionally, the object detection result for 'clock hand' indicates it is undetected, which aligns with the visual observation.

Answer: 2


Explanation: The image displays a yellow alarm clock with a white clock face. Upon close inspection, the clock face lacks any visible dial numbers (such as 1, 2, 3, etc.). The clock hands are present, but no numerical markings are visible on the face. This observation is consistent with the detection result, which indicates 'dial numbers' are undetected.

Answer: 2


Explanation: The image displays two white power strips and two plugs. Power strips typically include a cord to connect to a power source, but in this image, no cord is visible attached to the power strips. The object detection result also indicates the cord is undetected (with very low confidence, confirming no visible cord). Thus, the cord is not visible.

Answer: 2


Explanation: The image displays a water faucet (水龙头). A handle is typically the component used to operate the faucet (e.g., turning it on/off). In this image, the faucet’s body and spout are clearly visible, but no handle is present or visible in the image.

Answer: 2


Explanation: The image displays a fire engine (fire truck) with multiple tires visible. The tires are clearly distinguishable on the vehicle, so there is a tire (and multiple tires) clearly visible.

Answer: 0


Explanation: In the image, the charger's cable has a white connector at one end (the device - connecting end). This connector is clearly visible, indicating the presence of a USB - type connector (or similar device - connecting connector) that is visible.

Answer: 0


Explanation: The image displays two power strips (插线板) with attached cords. A plug is the male connector of the cord that inserts into a wall socket. In the image, neither the left nor the right power strip’s cord shows a clearly visible plug. The detection result also indicates the plug is undetected with low confidence. Thus, the plug is not visible.

Answer: 2


Explanation: To determine if the spout is visible, we analyze the image of the electric kettle. The spout is the opening through which water is poured. In the provided image, the spout is not visible; the kettle’s body, lid, handle, and base are shown, but the spout opening is absent from the view.

Answer: 2


Explanation: To determine if the squeeze lever is visible, we examine the fire extinguisher image. The squeeze lever (handle for discharging) is typically located near the top or as part of the discharge mechanism. In this image, the visible components include the pressure gauge, hose, and label, but the squeeze lever itself is not clearly visible.

Answer: 2


Explanation: The image displays an electric kettle with a distinct handle attached to its side. The handle is black, contrasting with the stainless steel body of the kettle, making it clearly visible.

Answer: 0


Explanation: Visually inspecting the bicycle image, the handlebar (including the grip) is clearly visible as part of the bicycle's structure. Despite the detection tool's low confidence, the handlebar is distinctly present in the image.

Answer: 0


Explanation: Visually inspecting the bicycle image, the pedal on the left side (from the viewer’s perspective) is clearly visible. There are no obstructions, and the pedal’s shape and position are distinct. The detection result’s low confidence and “undetected” label may reflect a technical limitation, but visual evidence confirms the pedal is visible.

Answer: 0


Explanation: To determine if the saddle (bicycle seat) is visible, we analyze the image. The bicycle’s frame, handlebars, wheels, pedals, and other components are present, but the saddle (seat) is not visible in the image.

Answer: 2


Explanation: The image of the Honeyson electric kettle shows a stainless steel body, black handle, and base. No indicator light is visible in the image. The detection result for 'indicator light' also indicates it is undetected (confidence <0.1).

Answer: 2


Explanation: To determine if a switch is visible, we examine all components of the standing fan in the image: the fan head (with grille and blades), the adjustable pole, and the circular base. No switch is visible on any of these parts.

Answer: 2


Explanation: The image displays a laptop, but the keyboard (the set of keys) is not visible. The laptop’s body and trackpad are visible, but the keyboard itself is not shown.

Answer: 2


Explanation: The image displays a green shopping cart. The handles of the cart are distinctly visible, extending upward from the cart's frame. Despite the detection tool's low confidence result, visual inspection confirms the handle's clear visibility.

Answer: 0


Explanation: The image shows a shopping cart with wheels at the bottom. Visually, the wheels are clearly present and visible. The detection tool's low confidence and 'undetected' result may be an error, as the wheels are distinctly visible in the image.

Answer: 0


Explanation: The vertical stabilizer (tail fin) of the aircraft is visible at the rear of the plane in the image. It is clearly distinguishable against the sky background.

Answer: 0


Explanation: The image depicts a small aircraft on a grassy field. Propellers on such aircraft are typically mounted at the front of the fuselage. In this image, the front section of the plane (where a propeller would be located) does not show a visible propeller. Additionally, the object detection result for 'propeller' indicates it is undetected with low confidence, confirming that the propeller is not visible in the image.

Answer: 2


Explanation: The rear - view mirror is typically positioned at the top center of a car's interior, above the windshield. In the provided image, examining the top - central area of the car's interior, the rear - view mirror is clearly visible.

Answer: 0


Explanation: The toaster in the image has a vertical slot on its front face, which is the bread slot. This slot is clearly visible to the eye.

Answer: 0


Explanation: To determine visibility of the horizontal stabilizer, we analyze the aircraft’s tail. The horizontal stabilizer is a horizontal surface at the tail for pitch stability. In the image, the tail shows the vertical stabilizer (with registration) but the horizontal stabilizer is not distinctly visible—likely obscured by perspective or the aircraft’s design in this view. The detection tool also indicates the horizontal stabilizer is undetected with low confidence.

Answer: 2


Explanation: To determine if a lever is visible, we analyze the toaster’s visible components. Typical toaster levers (used to initiate toasting) are not visible in this image. The toaster shows a shade knob, cancel/bagel buttons, bread slots, and a vent—no lever is present. The object detection confidence for “lever” is extremely low (0.0267), confirming the lever is undetected (not visible).

Answer: 2


Explanation: To determine if all windows are visible, we analyze the aircraft’s cockpit windows. The front windshield is clearly visible. However, side windows (if present) are not visible in the image, likely due to the angle or obstruction. Since not all windows (e.g., side windows) are visible, the answer reflects that some windows are not visible.

Answer: 2


Explanation: The vertical stabilizer (tail fin) of the airplane is visible at the rear of the aircraft in the image. It is clearly distinguishable against the sky.

Answer: 0


Explanation: To determine if an engine is visible, we analyze the aircraft’s structure and the image. Engines on wide - body jets like the one shown (United Airlines) are typically mounted under the wings. In the provided image, the wing is visible, but the engine under the wing is not clearly or visibly present (it may be obscured by the wing structure or the angle of the photograph). Thus, the engine is not visible.

Answer: 2


Explanation: The image shows a green electric fat tire bike. The handlebar, which is the component used for steering, is clearly visible at the top of the bike's frame. It is a black, upright handlebar that stands out against the green frame.

Answer: 0


Explanation: To determine visibility of the horizontal stabilizer, we analyze the aircraft’s orientation and the image perspective. The horizontal stabilizer is a rear horizontal tail component. In the provided side - view image of the United Airlines jet, the vertical stabilizer (blue tail with globe logo) is visible, but the horizontal stabilizer is not visible—likely due to the aircraft’s angle or being out of the frame. The detection result also indicates the horizontal stabilizer is undetected.

Answer: 2


Explanation: Upon examining the image of the Pedego electric bike, the seat (including the seat post and the seat itself) is clearly visible. There are no obstructions hiding the seat, and it is a distinct part of the bike’s structure as seen in the image.

Answer: 0


Explanation: To determine if the cockpit window is visible, we analyze the image of the United Airlines plane. The cockpit window is located at the very front of the aircraft. In the provided image, the front section of the plane is visible, but the cockpit window itself is not clearly distinguishable (likely due to angle, lighting, or the small size of the cockpit window relative to the overall image). Thus, the cockpit window is not visible.

Answer: 2


Explanation: The coffee cup lid in the image has a small sip hole (a tiny opening) visible on the lid. This sip hole is clearly distinguishable on the white lid, despite the low detection confidence from the model (likely due to the small size or image quality).

Answer: 0


Explanation: The image displays the back of an iPad. The Apple logo, which is typically located on the back of Apple devices, is not visible in this image. The object detection result also indicates that the Apple logo is undetected (with a low detection confidence), further supporting that it is not visible.

Answer: 2


Explanation: To determine if a pedal is visible, we analyze the image and the detection result. The detection of the pedal has a very low confidence (0.037), indicating it was not detected. Visually, the pedals (part of the crankset) are not clearly visible in the image. Thus, the pedal is not visible.

Answer: 2


Explanation: The image displays the back of an iPad. Speaker holes on an iPad are typically situated on the bottom or sides. However, in this back - facing view, the iPad's back surface appears smooth, with only the Apple logo and the text 'iPad' visible. No speaker holes are discernible in the image. The detection result also indicates that speaker holes are undetected with a low confidence level, which further supports this conclusion.

Answer: 2


Explanation: The image displays the back of an iPad. On the upper portion of the iPad’s back, a small rectangular area (the camera module) is distinctly visible. This confirms the camera (or its module) is clearly visible in the image.

Answer: 0


Explanation: The image displays an iPhone being held. The home button is located at the bottom of the iPhone, and in this image, the bottom portion of the phone (including the home button) is clearly visible.

Answer: 0


Explanation: Upon examining the image of the iPhone, the bottom edge of the device (near the charging port and headphone jack) features a small circular speaker hole that is clearly visible to the naked eye. While the automated detection tool reported a low confidence and 'undetected' status, this is likely due to the tool's limitations rather than the actual visibility of the speaker hole in the image.

Answer: 0


Explanation: The image displays the back of an iPhone. The back features the Apple logo, but no camera lens or camera module is visible in this perspective. Thus, the camera is not visible.

Answer: 2


Explanation: To determine if the headphone jack is visible, we analyze the image of the iPhone. The bottom of the phone is visible, showing the Lightning port (rectangular) and speaker grilles (small holes). The headphone jack—typically a 3.5mm port on older iPhone models like the iPhone 5—is not visible in this image (the bottom section shown does not include the headphone jack, likely due to the angle or framing of the image). Thus, the headphone jack is not visible.

Answer: 2


Explanation: The Esc key is typically located in the top - left corner of a keyboard. Observing the laptop's keyboard in the image, the top - left area of the keyboard clearly shows the Esc key, making it easily distinguishable.

Answer: 0


Explanation: To determine if the charging port is visible, we analyze the image and detection results. The iPhone’s bottom edge (silver bezel) shows speaker grilles (two rows of holes) but the charging port is not clearly identifiable. The detection result has extremely low confidence (0.036) and labels the port as “undetected,” indicating it is not visible in the image.

Answer: 2


Explanation: The image displays a laptop with a visible keyboard. The space bar, a long key located at the bottom of the keyboard, is clearly visible in the image.

Answer: 0


Explanation: Standard keyboards typically position the Esc key at the top - left corner. In the provided keyboard image, the top - row keys begin with F1, and there is no visible Esc key in the top - left area. Additionally, the object detection result indicates that the Esc key is undetected. Therefore, the Esc key is not visible.

Answer: 2


Explanation: The laptop in the image has a silver palm rest area below the keyboard, which is the touchpad. This area is clearly visible as a large, smooth surface beneath the keyboard. The visual evidence confirms the touchpad is present and clearly visible.

Answer: 0


Explanation: The image shows a motorcycle with a handlebar that is clearly visible, featuring components like headlights and turn signals attached to it. Despite the detection result indicating low confidence and 'undetected', visual inspection confirms the handlebar is present and visible.

Answer: 0


Explanation: The Windows Start button (Windows logo) is located on the left side of the taskbar at the bottom of the screen. In the provided image, this button is clearly visible on the taskbar.

Answer: 0


Explanation: The image displays a laptop (resembling a MacBook) with its lid partially open. The Apple logo is typically positioned on the rear of the lid. In this image, the angle and visibility of the lid’s rear do not reveal the Apple logo. Additionally, the object detection result indicates the Apple logo is undetected with low confidence, further confirming its non - visibility.

Answer: 2


Explanation: To determine if a power button is visible, we examine the Samsung remote control in the image. The visible buttons include numeric keys (0–9), volume controls (VOL +, VOL -), channel controls (CH, CH +, CH -), menu, tools, smart hub, guide, info, return, and colored function buttons (A, B, C, D). No button with a power symbol or labeled as a power button is visible in the image.

Answer: 2


Explanation: The image shows the bottom of a mouse. The sensor window for an optical mouse is typically a circular or oval - shaped area (often an indentation) where the optical sensor is located. In this image, such a circular indentation (the sensor window) is clearly visible on the bottom of the mouse.

Answer: 0


Explanation: To determine if a headlight is visible, we analyze the motorcycle image. The front of the motorcycle shows chrome forks, handlebars, and engine components, but the headlight itself is not clearly visible in the provided angle or composition. The detection result also indicates the headlight is undetected with low confidence.

Answer: 2


Explanation: The image shows a train positioned on a railway track. The track (including the metal rails and surrounding ballast) is clearly visible beneath and around the train. Thus, the track is clearly visible in the image.

Answer: 0


Explanation: The image displays a runway from an aircraft’s perspective. Runway numbers are typically marked at the runway’s ends or along its sides. In this image, the runway surface with white markings (threshold, centerline) is visible, but no runway number is present or discernible. The detection result also confirms the runway number is undetected.

Answer: 2


Explanation: To determine if a headlight is visible, we examine the front of the Amtrak train. The train’s front features the number “146,” the Amtrak logo, and structural elements, but no headlight is clearly visible in the image. The detection result also confirms the headlight is undetected.

Answer: 2


Explanation: A watch crown is a knob on the side of the watch case (typically the right side) used for adjusting time. The image shows a front - facing view of the watch, so the sides of the case (where the crown would be located) are not visible in this perspective. The object detection result also indicates that the crown is undetected with low confidence, further supporting that it is not visible in the image.

Answer: 2


Explanation: The image displays the front of an Amtrak locomotive. The driver’s cab is situated at the front of the locomotive, and the cab windows are clearly visible in the image.

Answer: 0


Explanation: The image depicts a stainless steel drinking fountain. The basin of the fountain is a smooth, metallic surface. Upon careful inspection, there are no visible drain holes in the basin or surrounding areas. Drain holes in such fixtures are typically small and may be located at the bottom of the basin, but none are visible in this image.

Answer: 2


Explanation: The image displays a Windows 7 desktop with a taskbar at the bottom. The taskbar contains icons for Internet Explorer, a folder, and a media player. In Windows 7, the Start button (a circular orb with the Windows logo) is typically located on the far left of the taskbar. However, in this image, the leftmost portion of the taskbar does not display the Start button, indicating it is not visible.

Answer: 2


Explanation: The image shows a blue rescue helicopter with a main rotor assembly on top. Visually, the main rotor (including its blades) is clearly distinguishable atop the helicopter’s fuselage. The tool’s low-confidence ‘undetected’ result likely reflects a technical error, as the main rotor is unambiguously visible in the image.

Answer: 0


Explanation: The image shows an airplane from a below - angle view with landing gear down. Engines, which are typically mounted under the wings or on the fuselage, are not clearly visible in this view. The perspective and the parts of the plane shown do not reveal any engine.

Answer: 2


Explanation: The image presents a front - on view of an airplane. The cockpit window, which is the transparent section at the front of the aircraft where pilots are seated, is not visible in this perspective. The detection result also indicates that the cockpit window is undetected with a low confidence level, further supporting that it is not visible.

Answer: 2


Explanation: The image displays the underside of an airplane. From this perspective, the wings, fuselage, and landing gear are visible, but the engines (typically mounted under the wings) are not clearly visible. The detection result for 'engine' indicates it is undetected with low confidence, supporting the conclusion that the engine is not visible.

Answer: 2


Explanation: The vertical stabilizer (tail fin) of the United Airlines aircraft is visible in the image. It is part of the tail section, which is clearly discernible against the blue sky background.

Answer: 0


Explanation: The detection result indicates the top lift handle is undetected with low confidence. Upon re-evaluating the image, the top lift handle of the backpack is not clearly visible, aligning with the detection outcome.

Answer: 2


Explanation: The image displays a white Apple charger (likely a MagSafe or similar) resting on a wooden surface. The visible portion of the charger includes the plug and the main body. USB ports, which are typically located on the side or front of such chargers, are not visible in this image.

Answer: 2


Explanation: The image displays a white coffee cup lid with a distinct triangular/semi - circular opening, which is the sip hole. This sip hole is clearly visible, with some coffee residue around it. Although the detect_objects result indicates 'undetected' with low confidence, the visual evidence strongly supports the visibility of the sip hole.

Answer: 0


Explanation: To determine if a side view mirror is visible, we analyze the image and detection results. The image shows a red sports car from a front three - quarter angle. Side view mirrors are typically on the doors. Visually, the mirror on the driver’s side is not clearly visible, likely due to the angle, lighting, or motion blur. The detect_objects result has a very low detection confidence (0.033) and indicates the side view mirror is “undetected”, further supporting that it is not visible.

Answer: 2


Explanation: The image shows a disposable coffee cup with a lid. On the lid, there is a small circular opening (the sip hole) located in the center of the lid’s recessed area. This sip hole is clearly distinguishable, even if small, as it is the intended opening for drinking. The detection tool’s low confidence and “undetected” result likely reflect a limitation of the tool, not the actual visibility of the sip hole.

Answer: 0


Explanation: The objective lens is located at the lower end of the microscope’s tube, near the stage. In the provided image, this lens is clearly visible as the component at the bottom of the tube structure.

Answer: 0


Explanation: A latch bolt is the part of a lock that extends to secure a door when closed. In the image, the door is partially open, meaning the latch bolt would be retracted (not extended) to allow the door to open. Additionally, the visible portion of the door (handle, frame, and glass) does not show the latch bolt mechanism in a way that the bolt itself is visible. Thus, the latch bolt is not visible.

Answer: 2


Explanation: The image displays a water fountain, which is commonly referred to as a bubbler. The bubbler’s stainless steel basin, spout area, and overall design are clearly visible in the image. Despite the detection tool’s low confidence result, visual inspection confirms the bubbler is present and visible.

Answer: 0


Explanation: To determine if a drain is visible, we examine the water fountain's basin. The basin (metal part) shows water spots but no distinct drain (e.g., small hole, slot) is apparent in the image. The detection result also indicates the drain is undetected, supporting this observation.

Answer: 2


Explanation: The image shows a white case (likely for wireless earbuds). Upon close inspection, no distinct charging port is visible on the visible side of the case. The detection result also indicates the charging port is undetected, supporting that it is not visible.

Answer: 2


Explanation: The image shows a white, oval-shaped case (likely a charging case for earbuds) being held by a hand. The visible portion of the case (the side facing the camera) does not display a charging port (e.g., USB-C, Lightning, or micro-USB port). The detection result also indicates the charging port is undetected, confirming it is not visible in the image.

Answer: 2


Explanation: The image displays a PlayStation controller. On the controller, two analog joysticks (one on the left, one on the right) are clearly visible, positioned below the directional pad and action buttons.

Answer: 0


Explanation: The image displays the back of a tablet (likely an iPad) with a light green case. The Apple logo, which is typically positioned on the back of Apple tablets, is not visible in the image. The area where the logo would be does not show the distinctive Apple logo. Additionally, the object detection result for the 'Apple logo' indicates it is undetected with extremely low confidence, further supporting that the logo is not visible.

Answer: 2


Explanation: The image displays a tablet screen with the time '22:05' and a 'Swipe up to unlock' message. There is no visible battery percentage indicator on the screen. The detection result for 'battery percentage' also indicates it is undetected with low confidence, confirming it is not visible.

Answer: 2


Explanation: The image displays the back of an iPad. The camera module (an oval - shaped component) on the iPad's back is distinctly visible.

Answer: 0


Explanation: Smart connector pins on an iPad are located on the bottom edge, near the charging port. In the provided image, the bottom edge of the iPad is visible, but the small smart connector pins are not clearly visible—likely obscured by the case or the angle of the image. The detection tool also indicates the pins are undetected, supporting this observation.

Answer: 2


Explanation: The image displays an iPhone (back view) and AirPods on a white surface. The iPhone’s back shows the Apple logo and “iPhone” text, but no camera lens or module is visible in this view. The detection result also indicates the camera is undetected. Thus, the camera is not visible.

Answer: 2


Explanation: The space bar is the long horizontal key located at the bottom of the keyboard. In the provided image, this key is clearly visible on the black keyboard.

Answer: 0


Explanation: The image displays the bottom of a MacBook Pro. Rubber feet, typically located at the laptop’s bottom corners, are not visible in this image. The visual inspection and the detection result (indicating undetected with low confidence) support this conclusion.

Answer: 2


Explanation: The laptop in the image has a large, dark rectangular area below the keyboard. This area is the touchpad, a standard component of laptops. Visually, this touchpad is clearly distinguishable from the keyboard and the laptop’s body, making it easily visible in the image.

Answer: 0


Explanation: In the image of the smartphone's bottom, the visible openings include a headphone jack, a small hole (likely a microphone), and a charging port. A speaker is typically identifiable as a set of holes or a grille for sound output. In this view, no distinct speaker grille or clearly identifiable speaker holes are visible. Thus, the speaker is not visible.

Answer: 2


Explanation: When examining the front of the train in the image, there is no clearly visible headlight. The front of the train displays windows and other structural elements, but a headlight is not apparent. The object detection result also indicates that the headlight is undetected with low confidence.

Answer: 2


Explanation: Examining the front of the Amtrak train in the image, the driver window is not visible. The front of the train displays the number '78', headlights, and the Amtrak logo, but there is no distinct driver window visible in this view.

Answer: 2


Explanation: To determine if arrow keys are visible, we analyze the laptop keyboard in the image. Arrow keys (up, down, left, right) are standard on keyboards and are typically located at the bottom - right of the keyboard. In the provided image, the keyboard layout includes these arrow keys, and they are distinguishable despite any minor visual challenges (e.g., lighting or angle). The initial reasoning (and visual inspection) confirms the arrow keys are clearly visible.

Answer: 0


Explanation: The image displays the rear view of a motorcycle. Handlebars are part of the motorcycle’s front assembly, and in this rear perspective, the handlebar is not visible. The object detection also confirms the handlebar is undetected.

Answer: 2


Explanation: The mouse in the image has a smooth top surface. Upon close inspection, no distinct scrolling wheel is visible on the mouse's top.

Answer: 2


Explanation: The image depicts the interior of a car from the driver’s perspective. The steering wheel is a central component of the dashboard area, and it is clearly visible in the lower portion of the image, positioned in front of the driver. Despite the detect_objects result indicating ‘undetected’, visual inspection of the image confirms the steering wheel’s presence and visibility.

Answer: 0


Explanation: The image displays the bottom edge of a smartphone, showing ports (e.g., charging, headphone) and speaker holes. A home button is typically located on the front face of a phone, not on the bottom edge. The detection result for 'home button' shows a very low confidence (0.025) and is marked as undetected, confirming the home button is not visible in the image.

Answer: 2


Explanation: The image displays a wall outlet with a white cover plate. Upon inspection, there are no visible screws (screws are typically positioned at the top and bottom of the cover plate, but none are apparent here). The object detection result also indicates 'undetected' for 'screw', further supporting the absence of visible screws.

Answer: 2


Explanation: The image displays an electrical outlet with a white cover plate. Upon close visual inspection, the cover plate appears smooth, and no screws are visible at the corners or other locations on the plate. The detection result for 'screw' also indicates it is undetected, supporting the visual observation.

Answer: 2


Explanation: The image shows a stainless steel sink. Upon examining the sink's interior, there is no visible drain hole. The sink's bottom appears smooth without a visible drain opening. The detection result also indicates the drain hole is undetected.

Answer: 2


Explanation: To determine if an overflow hole is visible, we analyze the sink image. Overflow holes in sinks are typically small openings near the top of the basin (often behind or beside the faucet) to prevent water overflow. In the provided image, the sink has a central drain, but no distinct overflow hole is visible in the basin or around the faucet area. The object detection result also indicates the overflow hole is undetected, supporting this observation.

Answer: 2


Explanation: Visually, the train is positioned on a railway track, and the track (rails) under the train are clearly visible. Although the detection tool reported low confidence, the visual evidence confirms the track is visible.

Answer: 0


Explanation: The image shows a door with a metallic handle (with a black component) on the right side. The handle is distinct and easily visible against the door’s surface. Despite the low-confidence detection result, visual inspection confirms the handle is clearly visible.

Answer: 0


Explanation: To determine if a ground pin hole is visible, we analyze the outlet in the image and the detection result. The outlet (C14 type) shows two slots but no distinct ground pin hole is visible. The detection confidence for the ground pin hole is very low (0.045), indicating it is undetected. Thus, the ground pin hole is not visible.

Answer: 2


Explanation: The pressure gauge is located on the top of the fire extinguisher. Upon examining the gauge, the needle (which indicates pressure) is clearly visible within the gauge's dial.

Answer: 0


Explanation: The image depicts a traditional balance scale (beam balance) with a beam featuring numerical markings. There is no circular dial (e.g., for measurement or adjustment) visible in the image. The detection result also indicates the dial is undetected with low confidence, confirming no dial is visible.

Answer: 2


Explanation: In the wheelchair image, the front wheels (smaller wheels at the front) are clearly visible. They are part of the wheelchair’s structure, positioned at the bottom front, and their tires, hubs, and overall structure are distinctly visible in the image.

Answer: 0


Explanation: The image displays a balance scale. The horizontal beam of the scale features measurement markings (resembling a ruler) that are distinctly visible. While the object detection result indicates 'undetected' with low confidence, visual inspection confirms the presence of ruler - like measurement markings on the scale's beam.

Answer: 0


Explanation: The image displays a classical guitar. On the headstock (the top part of the guitar neck), tuning pegs are clearly visible. These pegs are essential for adjusting string tension and are distinctly present in the image.

Answer: 0


Explanation: The image displays a violin with two f-holes on its body. These f-holes are distinct and clearly visible in the image.

Answer: 0


Explanation: The tuning pegs are located at the top of the violin, near the scroll. In the provided image, these tuning pegs are clearly visible (four pegs, two on each side of the scroll).

Answer: 0


Explanation: To determine if a zipper tag is visible, we analyze the zipper area of the jacket. The zipper is full - length and black, blending with the jacket. Upon close visual inspection, the zipper pull or tag (if present) does not stand out as visible. Additionally, the object detection result for 'zipper tag' shows a very low detection confidence (0.0036) and is classified as undetected. Combining these observations, the zipper tag is not visible.

Answer: 2


Explanation: The fingerboard is the dark, flat strip along the violin's neck. In the image, this strip is clearly visible running from the nut (near the tuning pegs) down to the violin's body.

Answer: 0


Explanation: In the image of the violin, the four strings are clearly visible, running from the bridge to the tuning pegs on the scroll. The visual evidence confirms their presence and visibility.

Answer: 0


Explanation: The coarse focus knob is a larger, typically side-mounted knob on a microscope. In the provided image, a larger knob is visible on the left side of the microscope's arm, which matches the typical appearance and location of a coarse focus knob. Thus, it is clearly visible.

Answer: 0


Explanation: The objective lens in a microscope is typically located near the stage, attached to the revolving nosepiece. In the provided image of the microscope, these objective lenses are clearly visible as the lens assemblies on the revolving nosepiece. The detection result indicating 'undetected' with very low confidence likely represents a false negative from the detection model, as the objective lens is visually distinct and identifiable in the image.

Answer: 0


Explanation: The image displays a pair of scissors with two finger holes. Both finger holes are distinctly and clearly visible in the image.

Answer: 0


Explanation: The image shows a microscope. Under the stage, there is a circular component (likely a mirror or reflector) used for illuminating the specimen. This component is clearly visible in the image, despite the detection result indicating low confidence (possibly due to model limitations). Visually, the reflector is identifiable.

Answer: 0


Explanation: To determine if the fine focus knob is visible, we analyze the microscope image. The fine focus knob is a smaller, typically silver knob used for precise focusing. In the image, this small knob is clearly visible on the side of the microscope, near the larger coarse focus knob. Thus, the fine focus knob is clearly visible.

Answer: 0


Explanation: The image displays a comb, and combs are characterized by having teeth. In this image, the teeth of the comb are distinctly visible.

Answer: 0


Explanation: A stage clip is a component on a microscope's stage that holds a slide in place. In the image, the microscope's stage (the flat black platform) has two small, visible components that match the appearance of stage clips. These components are clearly distinguishable on the stage, confirming their visibility.

Answer: 0


Explanation: The image clearly shows a mug with a handle on the right side. The handle is a distinct, visible part of the mug. The detect_objects result indicating 'undetected' with low confidence likely reflects an error in the detection model, as the handle is visually unambiguous in the image.

Answer: 0


Explanation: The temple arms of the spectacles (the components that extend over the ears) are clearly visible in the image. These are the black parts attached to the frames, and their presence is distinct and unambiguous.

Answer: 0


Explanation: The rim of the mug is the top edge of its opening. In the image, this top edge is clearly visible, forming the boundary of the mug's interior opening. Despite the tool's low-confidence 'undetected' result, visual inspection confirms the rim is present and visible.

Answer: 0


Explanation: In the image, two power strips (插线板) are shown, each with a white cord attached. The cords are clearly visible, either coiled or extended. Therefore, the cord is clearly visible.

Answer: 0


Explanation: The image displays an alarm clock with a dial. The numbers on the dial (12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11) are clearly visible and legible on the clock face.

Answer: 0


Explanation: The image displays a yellow alarm clock with three clock hands (hour, minute, and second hands) clearly visible on the clock face. Despite the detection tool's low confidence result, visual inspection confirms the clock hands are present and visible.

Answer: 0


Explanation: To determine if a nose pad is visible, we analyze the image of the spectacles. A nose pad is a small pad on the bridge of glasses that rests on the nose. In the provided image, the bridge area of the spectacles does not show a distinct nose pad. The design appears to have a metal bridge without a clearly visible nose pad. Thus, the nose pad is not visible.

Answer: 2


Explanation: The image displays a charger with a Lightning connector (for Apple devices) and an AC plug. No USB connector is visible in the image. The detection result also confirms the USB connector is undetected.

Answer: 2


Explanation: The image displays two power strips, each with a plug at the end of their cords. These plugs are distinct and clearly visible, with recognizable prongs and shapes. Despite a low detection confidence from the tool, visual inspection confirms the presence of visible plugs.

Answer: 0


Explanation: The image displays a faucet with a cross - shaped handle on its top. This handle is distinctly visible against the white background of the image.

Answer: 0


Explanation: The image displays a red fire extinguisher. The squeeze lever, which is the black handle mechanism located at the top of the extinguisher, is clearly visible. It is a prominent part of the extinguisher's operating mechanism and stands out against the red body of the extinguisher.

Answer: 0


Explanation: The image displays a fire engine (fire truck) with multiple tires. These tires are clearly visible on the vehicle, including the front tire, middle tires, and rear tires. Despite the object detection result indicating 'undetected' with low confidence, the visual evidence confirms that tires are present and clearly visible in the image.

Answer: 0


Explanation: The image depicts an electric kettle with a black handle on the right side. The handle is a distinct, easily observable feature against the stainless steel body of the kettle.

Answer: 0


Explanation: The image depicts a bicycle with a handlebar that includes a wooden grip and a metal bar. This handlebar is clearly visible as part of the bicycle's structure.

Answer: 0


Explanation: Visually, the spout of the electric kettle is located on the left side, near the top, and is clearly distinguishable by its shape and position. Although the detection model reported a low confidence (0.016953...) and marked it as undetected, the visual evidence confirms the spout is visible.

Answer: 0


Explanation: The image displays a bicycle with a brown saddle (seat) mounted on the frame. The saddle is distinctly visible and identifiable in the image.

Answer: 0


Explanation: The image shows a bicycle with pedals visible at the bottom of the frame. Despite the detection result indicating low confidence, visual inspection confirms the pedals are clearly visible.

Answer: 0


Explanation: Upon visual inspection of the electric kettle image, a red indicator light is clearly visible at the bottom of the kettle's base. This light is distinct and easily identifiable as the indicator light for the kettle's operation.

Answer: 0


Explanation: The image shows a laptop, and the keyboard is distinctly visible. The keyboard has black keys with white characters, and it is part of the laptop displayed in the image.

Answer: 0


Explanation: The image depicts a shopping cart, and the handle is located at the top of the cart. The handle is white with green accents and is clearly visible in the image.

Answer: 0


Explanation: The image displays a green shopping cart. Shopping carts typically have wheels, and in this image, four wheels are clearly visible (black with silver hubs). Thus, the wheels are clearly visible.

Answer: 0


Explanation: Visually, the aircraft in the image has a red propeller clearly visible at the front of the plane. Although the detection confidence for the propeller is low, the visual evidence confirms the propeller is present and clearly visible.

Answer: 0


Explanation: To determine if a switch is visible, we analyze the image of the Midea standing fan. The fan’s handle features a control panel with buttons, but no distinct switch is clearly visible in the image. The detection tool also indicates the switch is undetected, supporting the conclusion that no visible switch is present.

Answer: 2


Explanation: The vertical stabilizer is the vertical component of the aircraft's tail. In the provided image, the tail section of the small aircraft is clearly visible. The vertical stabilizer, with its distinctive shape and the blue and green stripes, is present and can be easily identified against the clear blue sky.

Answer: 0


Explanation: The horizontal stabilizer is the horizontal tail surface of an aircraft. In the provided image of the small airplane, the tail section clearly displays the horizontal stabilizer, which is distinguishable and visible.

Answer: 0


Explanation: The toaster in the image has two distinct bread slots at the top, which are clearly visible. The visual evidence confirms the presence of bread slots.

Answer: 0


Explanation: The toaster in the image has a lever on its right side, which is a black handle used to lower the bread into the toaster. This lever is clearly visible and distinct in the image.

Answer: 0


Explanation: To determine if all windows are visible, we analyze the aircraft in the image. The plane is a small single - engine aircraft. Its windows include the front cockpit windshield and the side fuselage windows. In the image, the front windshield is clearly visible, and the side windows (on the fuselage) are also visible. There is no indication that any window is obscured or not visible. Therefore, all windows are clearly visible.

Answer: 0


Explanation: The vertical stabilizer (tail fin) of the United Airlines aircraft is clearly visible on the left side of the plane in the image. The tail features the airline's blue color and globe logo, which are characteristic of the vertical stabilizer.

Answer: 0


Explanation: The horizontal stabilizer is the horizontal component of the aircraft's tail assembly. In the provided image of the United Airlines aircraft, the horizontal stabilizer is clearly visible as the horizontal part extending from the vertical stabilizer (the blue tail).

Answer: 0


Explanation: The image displays an electric fat tire bicycle. At the upper portion of the bike, the handlebars (including grips and control components) are distinctly visible as part of the bike’s structure.

Answer: 0


Explanation: In the image, the interior of a car is shown. The rear - view mirror is mounted on the windshield, and it is clearly visible within the car's interior view.

Answer: 0


Explanation: The image displays the interior of a car, and in the lower left section, a steering wheel is distinctly and clearly visible as part of the vehicle’s dashboard and control area.

Answer: 0


Explanation: The image shows a disposable cup with a white lid. A small rectangular sip hole is visible on the lid, located below the greenish spill area. The sip hole is clearly distinguishable against the white lid, despite the low detection confidence from the tool (likely due to tool limitations).

Answer: 0


Explanation: The image displays the back of an iPad, and the Apple logo is prominently centered on the back, making it clearly visible.

Answer: 0


Explanation: The image shows the back of an iPad. At the top - left corner of the iPad's rear panel, the camera lens is visible. This makes the camera clearly visible in the image.

Answer: 0


Explanation: The image shows a United Airlines aircraft in flight. The cockpit is located at the front of the plane. Upon examining the front section of the aircraft, the cockpit windows are clearly visible at the very front of the fuselage.

Answer: 0


Explanation: Upon visual inspection of the iPhone image, the charging port (a rectangular slot) is clearly visible at the bottom of the device, alongside other components like speaker grilles. The detection tool's result (undetected) likely reflects a technical limitation, but visual evidence confirms the charging port is visible.

Answer: 0


Explanation: Speaker holes on an iPad are typically located on the edges (such as the bottom edge for front - facing speakers), not on the back. The image shows the back of an iPad, which appears smooth with no visible speaker holes.

Answer: 2


Explanation: The image shows a white iPhone with a home button at the bottom. Visually, the home button is clearly visible. Although the detection tool reported a low confidence, the visual evidence confirms the home button is present and visible.

Answer: 0


Explanation: Visually inspecting the image of the iPhone, the speaker holes (grille) located at the bottom of the device are clearly visible.

Answer: 0


Explanation: The image displays the back of an iPad. At the top - left corner of the iPad's back, a small camera lens is clearly visible. This indicates that the camera is visible in the image.

Answer: 0


Explanation: To determine if the headphone jack is visible, we analyze the image of the iPhone (likely an iPhone 5 or similar). The bottom of the phone shows the Lightning charging port (rectangular slot) and speaker grilles (small holes on the right). The headphone jack, a small circular port, is typically located to the left of the Lightning port. In the image, this circular port is not clearly visible—focus is on the Lightning port and speaker grilles, with no distinct circular port visible in the headphone jack’s typical location. Thus, the headphone jack is not visible.

Answer: 2


Explanation: The Esc key is located at the top - left corner of the keyboard. In the provided image, the top - left area of the keyboard is visible, and the key labeled 'Esc' can be clearly seen.

Answer: 0


Explanation: The Esc key is typically located in the top - left corner of a keyboard. Observing the laptop's keyboard in the image, the top - left key, which is the Esc key, is clearly visible.

Answer: 0


Explanation: The image displays a laptop with a visible keyboard. The space bar, a long key located at the bottom of the keyboard, is clearly visible in the image.

Answer: 0


Explanation: In the image of the laptop, the touchpad is the rectangular area located below the keyboard. This touchpad is clearly visible as a light - colored, distinct rectangular region on the laptop's palm rest area.

Answer: 0


Explanation: The Windows taskbar is visible at the bottom of the monitor screen. The Windows Start button (the Windows logo) is clearly visible as the left - most icon in the taskbar.

Answer: 0


Explanation: The image displays a MacBook laptop. On the rear surface of the laptop's lid, the Apple logo is distinctly visible. Despite the low-confidence detection result from the tool, visual inspection confirms the logo's presence and clarity.

Answer: 0


Explanation: The handlebar of the motorcycle is clearly visible in the image, including the handle grips, mirrors, and associated controls. Despite the detection result, visual inspection confirms its presence and visibility.

Answer: 0


Explanation: The image shows a motorcycle with two distinct headlights on the front. These headlights are clearly visible and not obscured by any parts of the motorcycle. The initial reasoning correctly identifies their visibility, and the discrepancy with the detect_objects result likely stems from an error in that tool's detection process.

Answer: 0


Explanation: The power button is the red button with the power symbol, located at the top right of the remote. This button is clearly visible in the image.

Answer: 0


Explanation: The image displays a runway with distinct markings. The runway number '30R' is clearly visible on the runway surface, making it easily identifiable to the human eye. Despite the detection tool's low confidence, visual inspection confirms the runway number is present and visible.

Answer: 0


Explanation: A sensor window on a mouse is typically a small, distinct area on the bottom (often dark/transparent) where the optical sensor is located. In the provided image of the mouse’s bottom, the visible area includes a label with text, other markings, and the USB connector. However, there is no clearly discernible sensor window—no small, distinct area matching the typical appearance of a sensor window. The object detection result also shows a very low confidence (0.029) for detecting a “sensor window,” indicating it was not detected, which aligns with the visual assessment.

Answer: 2


Explanation: Looking at the front of the Amtrak train in the image, the headlights are clearly visible. There are distinct headlight units on the front of the locomotive, making them easy to identify.

Answer: 0


Explanation: Visually, the railroad tracks are clearly visible in the image. The Amtrak train is positioned on the tracks, and the rails, ties, and surrounding gravel bed are distinct and easily observable. The low confidence from the detect_objects tool may be an anomaly, as the visual evidence confirms the presence of tracks.

Answer: 0


Explanation: The image depicts the front of an Amtrak locomotive. Driver cab windows are typically located on the upper front section of the locomotive. In the image, these windows are clearly visible as part of the front cab structure. While the detection tool indicated low confidence in detecting the 'driver cab window' object, visual inspection of the image confirms the presence and visibility of the driver cab windows.

Answer: 0


Explanation: The crown (the small knob on the side of the watch for time adjustment) is clearly visible on the right side of the watch case in the image. It is distinguishable and not obscured.

Answer: 0


Explanation: The image displays a Windows desktop. In the bottom - left corner, the Start button (the circular Windows logo) is clearly visible. Although the detection confidence is low, visual inspection confirms its presence.

Answer: 0


Explanation: The image shows a helicopter with a main rotor system on top. The rotor blades are clearly visible, extending from the rotor hub. Thus, the main rotor is clearly visible.

Answer: 0


Explanation: The image displays a front - facing view of an airplane. The cockpit windows are situated at the upper front section of the aircraft. In this image, these cockpit windows are distinctly recognizable as the two small windows positioned above the plane's nose.

Answer: 0


Explanation: The image depicts a commercial airplane in flight with its landing gear down. Both engines of the airplane are clearly visible, attached to the wings. There is no ambiguity or difficulty in identifying the engines.

Answer: 0


Explanation: The image shows an airplane viewed from below. Two engines are attached to the wings, and they are clearly distinguishable against the sky and the airplane's structure. The visual evidence confirms the engines are visible.

Answer: 0


Explanation: The vertical stabilizer (tail fin) of the United Airlines airplane is clearly visible in the image. It is blue with the United logo, and its position and details are distinct against the sky.

Answer: 0


Explanation: The image clearly shows a backpack with a top lift handle (black, with visible text/design). However, the detection model returned a low confidence score (0.033), indicating the model may not have effectively recognized the handle—possibly due to model limitations, the handle’s specific design, or training data mismatches.

Answer: 0


Explanation: Looking at the image of the red sports car, the side view mirror on the driver's side (left side of the car from the viewer's perspective) is clearly visible. The mirror's shape and position are distinguishable against the car's body and the background.

Answer: 0


Explanation: The image shows a white Apple charger. On the side of the charger, a small port (identified as a USB port) is clearly visible. The port’s shape and position are distinguishable in the image.

Answer: 0


Explanation: The image displays a white coffee cup lid. The sip hole, which is the opening designed for drinking, is distinctly visible as a cutout on the lid. Despite the low detection confidence from the tool, visual inspection confirms the sip hole is clearly present.

Answer: 0


Explanation: The image shows a white disposable coffee cup with a lid. On the lid, there is a small circular opening, which is the sip hole. This sip hole is clearly visible in the center of the lid.

Answer: 0


Explanation: In the image, the door has a metallic door handle on its right side. The handle is clearly distinguishable due to its silver color and distinct shape, making it easily visible. The detection result indicating 'undetected' likely reflects an error, as visual inspection confirms the handle's presence and visibility.

Answer: 0


Explanation: A latch bolt is the component of a lock that extends to secure a door. In the provided image, the door’s lock mechanism (cylindrical lock) and handles are visible, but the latch bolt itself is not discernible. This is likely because the latch bolt is retracted (as the door appears partially open) or not in a position to be visually identified. The detection result also confirms the latch bolt is undetected, supporting the conclusion that it is not visible.

Answer: 2


Explanation: The image shows a water fountain (bubbler) with a metallic basin, a spout, and instructional markings. The bubbler is clearly visible in the image.

Answer: 0


Explanation: In the image of the water fountain, the basin contains a drain with a grid-like pattern. This drain is clearly visible within the basin.

Answer: 0


Explanation: Upon examining the image of the electric bike, the pedal attached to the crank arm is clearly visible near the bottom of the bike. Despite the low-confidence detection result, visual inspection confirms the pedal's visibility.

Answer: 0


Explanation: The image displays a white case (likely for wireless earbuds) with a USB-C port on its bottom. This USB-C port functions as a charging port, and it is distinctly visible in the image. The low detection confidence from the tool is likely an error, as the visual evidence confirms the charging port’s visibility.

Answer: 0


Explanation: In the image of the United Airlines aircraft, the engine under the wing is clearly visible. The engine's shape and position are distinct against the sky and the aircraft's body.

Answer: 0


Explanation: The image shows a white device (likely a wireless earbud case) with a USB-C port visible on its bottom surface. This USB-C port functions as the charging port, and it is clearly visible in the image.

Answer: 0


Explanation: The image displays a PlayStation controller. Visually, two analog joysticks (circular control sticks) are clearly present on the controller—located below the directional pad (left) and above the action buttons (right). Despite the detection tool reporting low confidence and 'undetected', visual inspection confirms the joysticks are clearly visible.

Answer: 0


Explanation: The image displays the back of an iPad with a semi - transparent case. The Apple logo is distinctly visible on the back of the iPad.

Answer: 0


Explanation: The battery percentage is clearly visible in the top right corner of the tablet screen, showing '17%'.

Answer: 0


Explanation: The image displays the back of an iPad, and the camera module (including the lens) is clearly visible. The detection result here may have low confidence, but visual inspection confirms the camera is visible.

Answer: 0


Explanation: The image displays the back of an iPhone, where the camera module (comprising the lens and flash) is distinctly visible on the upper left portion of the phone’s rear.

Answer: 0


Explanation: The image displays a smartphone with multiple small holes on its bottom edge. These holes are characteristic of speaker grilles, which are part of the device’s speaker system. Visually, these speaker-related features are clearly distinguishable in the image.

Answer: 0


Explanation: The space bar is the long horizontal key located at the bottom of the keyboard. In the provided image, the keyboard is clearly visible, and the space bar can be distinctly identified as the long key at the bottom of the keyboard. The visual evidence confirms its visibility.

Answer: 0


Explanation: The smart connector pins are three small circular contacts located at the bottom of the iPad. In the provided image, these three small circular dots are visible at the bottom of the device. However, they appear small and slightly indistinct, making them visible but not immediately obvious or 'clearly visible'.

Answer: 1


Explanation: Upon examining the image of the MacBook Pro's bottom, rubber feet are clearly visible at the four corners of the device. These rubber feet are distinguishable against the black surface of the laptop, confirming their visibility.

Answer: 0


Explanation: The touchpad is the large, dark rectangular area located below the keyboard on the laptop. In the provided image, this touchpad is distinctly visible and easily identifiable. Despite the detection result indicating low confidence and 'undetected', visual inspection confirms the touchpad is clearly present.

Answer: 0


Explanation: In the image, the front of the train is visible, and two headlights are clearly illuminated and visible. Despite the detection tool's low confidence result, visual inspection confirms the headlight is clearly visible.

Answer: 0


Explanation: The laptop keyboard in the image displays the arrow keys (up, down, left, right) in their typical position on the keyboard. These keys are clearly visible.

Answer: 0


Explanation: The front of the Amtrak train in the image displays two distinct windows, which are the driver's windows. These windows are clearly visible, with no obstructions or ambiguity in their presence.

Answer: 0


Explanation: The image shows a black wired computer mouse. On the top surface of the mouse, a scrolling wheel is clearly visible, positioned between the left and right buttons. The visual evidence confirms the scrolling wheel is present and visible.

Answer: 0


Explanation: The image displays a smartphone with a circular home button positioned below the screen. This home button is distinctly visible in the image. The detect_objects result indicating 'undetected' with low confidence is inconsistent with the clear visual evidence of the home button.

Answer: 0


Explanation: The image displays a wall outlet with a round hole (ground pin hole) clearly visible within the socket. The ground pin hole is distinguishable in the outlet's design, making it clearly visible.

Answer: 0


Explanation: In the image, the electrical outlet plate has two screws. One is located near the top (adjacent to the 'C14' label), and the other is at the bottom of the plate. Both screws are clearly visible against the white plate and gray wall background.

Answer: 0


Explanation: Upon visual inspection of the image, the motorcycle's handlebar is clearly visible, particularly on the right side of the motorcycle (from the rear view). The handlebar's structure, including the bar and associated components, is distinct and easily identifiable. Despite a low-confidence detection result indicating 'undetected,' the visual evidence confirms the handlebar is clearly visible.

Answer: 0


Explanation: In the image of the electrical outlet, two screws are visible: one at the top (beneath the 'C14' label) and one at the bottom of the outlet plate. Both screws are clearly distinguishable against the white outlet plate and gray wall background.

Answer: 0


Explanation: The drain hole, including its metal drain cover, is located in the center of the stainless steel sink. Visually, the drain hole and its surrounding area are clearly distinguishable in the image.

Answer: 0


Explanation: In the image, the train is positioned on a set of railway tracks. The rails and the track bed (including the gravel) are clearly visible beneath and around the train. Therefore, the track is clearly visible.

Answer: 0


Explanation: The image displays a stainless steel sink with a drain at the bottom center of the basin. The drain features visible holes, which are distinctly observable in the image.

Answer: 0


Explanation: The image of the electric fat tire bike clearly shows a black seat mounted on the seat post. Despite the low detection confidence from the tool (likely due to technical processing), the visual evidence confirms the seat is visible. Therefore, the seat is clearly visible.

Answer: 0


Explanation: To determine if an overflow hole is visible, we analyze the sink in the image and the object detection result. Overflow holes in sinks are typically small openings near the top of the basin. In the image, the sink has a central drain and two small side holes, but these do not clearly match the typical appearance or position of an overflow hole. Additionally, the object detection for "overflow hole" has a very low confidence (~0.03), indicating it is undetected. Thus, the overflow hole is not visible in the image.

Answer: 2


Explanation: The image displays a mechanical beam balance scale, which utilizes two trays and a central pivot. A close inspection of the scale's base and structure shows a label and adjustment screws, but there is no circular or analog dial (a component with a rotating needle and scale markings) visible on the front or sides of the device.

Answer: 2


Explanation: The fire extinguisher has a circular pressure gauge located near the top, between the handles and the cylinder. Within the gauge, a yellow/white needle is clearly visible, pointing towards the top within the green operating range.

Answer: 0


Explanation: The image shows a mechanical balance scale. On the front of the horizontal beam connecting the two pans, there is a graduated scale (a built-in slider scale or 'rider' scale) with clear markings used to measure specific weights. This integrated component functions as a ruler for the scale's measurements and is clearly visible.

Answer: 0


Explanation: The image depicts a standard wheelchair. In addition to the large rear wheels, the two smaller front caster wheels are clearly visible positioned under the front frame and footrest assembly.

Answer: 0


Explanation: The image shows a person wearing a full-zip fleece vest over a long-sleeved shirt. While the garment has a central seam where a zipper would be located, the zipper teeth and the zipper pull/tag are completely obscured by a fabric flap or are otherwise not visible in the shot.

Answer: 2


Explanation: The image clearly displays a classical guitar, and at the top (the headstock), the white rollers and the keys of the tuning pegs are clearly visible and identifiable.

Answer: 0


Explanation: The image clearly shows the tuning pegs located at the top of the violin's neck within the pegbox. There are four pegs visible, two on each side, which are used for adjusting the tension of the strings.

Answer: 0


Explanation: Upon visual inspection of the surface of the instrument body where sound holes are traditionally located, there are no 'f-shaped' cutouts or openings visible. The wood appears solid and continuous in the mid-section around the bridge.

Answer: 2


Explanation: While the object is a violin, which usually has four strings, a close inspection of the fingerboard, bridge, and tailpiece shows that no strings are actually present in this image. The area where strings should run is empty.

Answer: 2


Explanation: The image depicts a violin that has been digitally altered or is a characteristic AI generation error. Specifically, the black fingerboard that normally runs the length of the neck to the bridge is missing, replaced by white segments and exposed light wood grain. As the essential black wooden component is absent, it is not visible.

Answer: 2


Explanation: The image shows a light microscope with several key components like the eyepiece, body tube, stage, and adjustment knobs. However, the nosepiece, which is the rotating part that holds the objective lenses, is empty. There are no objective lenses attached to the turret above the stage.

Answer: 2


Explanation: The image depicts a compound microscope that uses a built-in substage illuminator or condenser assembly instead of a pivot-mounted mirror. In many traditional microscopes, a circular mirror (reflector) is positioned below the stage to reflect external light up through the specimen, but no such component is visible in this specific model's structure.

Answer: 2


Explanation: The image shows the microscope from a side profile where the adjustment knobs, which are typically located on the side of the arm, are not visible. The curve of the arm and the angle of the shot obscure or omit the coarse focus knob in this particular view.

Answer: 2


Explanation: The image shows a student-grade light microscope. It features a prominent coarse focus knob on the upper part of the arm. Typically, a fine focus knob would be a smaller dial either concentric with or located near the coarse knob. In this specific view and model, only the large primary focus adjustment knob is clearly visible, with no distinct secondary fine focus knob appearing in the frame.

Answer: 2


Explanation: The image shows a light microscope from a side profile. The stage is visible as the flat black platform, but there are no stage clips visible on top of it. Typically, stage clips would be metallic arms or pins positioned on the surface to hold a slide in place, but this stage appears empty and smooth from this perspective.

Answer: 2


Explanation: The image displays a pair of scissors with two large, black, circular handle openings designed for fingers to grip and operate the tool. These finger holes are large, central features of the object and are clearly visible.

Answer: 0


Explanation: The image depicts a minimalist comb (labeled as "梳子" in Chinese), but its design is unconventional. Instead of the standard row of multiple teeth, it features a long, curved body with only two pointed protrusions. Thus, standard comb teeth are not visible.

Answer: 2


Explanation: The image shows a mug with a flat lid placed directly on top of it. Because the lid covers the entire top opening, the actual rim of the mug is hidden from view.

Answer: 2


Explanation: The temple arms are the side pieces of the glasses that rest over the ears. In this image, the start of both the left and right temple arms can be clearly seen extending from the hinges on the outer edges of the lenses.

Answer: 0


Explanation: The image shows a cylindrical container with a smooth, uniform surface. There are no protrusions, loops, or additional structures visible on the object's exterior that could serve as a handle.

Answer: 2


Explanation: The image shows a pair of spectacles with a thin metal frame. Looking closely at the bridge area between the two lenses, the small, clear oval-shaped nose pads attached to thin metal stems are clearly visible behind the lenses and bridge bar.

Answer: 0


Explanation: Upon examining the clock face, it is clear that while the numbers 1 through 12 and the minute markers are present, the central shaft is empty. There are no actual clock hands (hour, minute, or second) visible extending from the center.

Answer: 2


Explanation: Upon inspecting the alarm clock's face, it is entirely blank and white except for the hands. There are no numbers or tick marks present on the dial.

Answer: 2


Explanation: The image displays two power boards (power strips) and two separate electrical plugs. However, the actual electrical cables or cords that would connect the plugs to the boards are completely missing or have been digitally removed from the product photo. There is no visible wire connecting the components.

Answer: 2


Explanation: The image displays a charging brick and a cable. One end of the cable is plugged into the brick, concealing that connection. The other end of the cable is covered by a white protective cap. Therefore, no metal USB connector is visible in this image.

Answer: 2


Explanation: The image displays two power strips with their respective power cords, but the actual plug ends of these cords are not shown. The cords are either cut off at the edge of the frame or coiled behind the devices.

Answer: 2


Explanation: The image shows a faucet (水龙头) with a visible wall mount and spout, but the top portion where a lever or knob handle would typically be located is flat and open, showing no operational handle attached.

Answer: 2


Explanation: The squeeze lever is the upper metal handle used to operate the fire extinguisher. In the image, it is clearly visible positioned directly above the carrying handle and below the pressure gauge.

Answer: 0


Explanation: The fire engine in the image has several large black tires clearly visible at the base of the vehicle, particularly those on the front and rear axles on the side facing the viewer.

Answer: 0


Explanation: The image shows the electric kettle from a rear-three-quarter perspective. The handle is positioned on the right side, but the spout, which must be on the opposite side of the kettle's body for pouring, is not visible from this specific camera angle.

Answer: 2


Explanation: The black handle of the kettle is clearly visible on the right side of the device, extending from the top lid assembly down toward the base.

Answer: 0


Explanation: The handlebar is positioned such that it is seen largely head-on. While the stem leading to the handlebar is clearly visible, the handlebars themselves are foreshortened, making them difficult to distinguish clearly as separate components from this specific angle.

Answer: 1


Explanation: Upon examining the bicycle, specifically the crank arms where pedals should be attached, there are no actual pedals visible. Both the left and right crank arms are bare, missing the foot platforms necessary for pedaling.

Answer: 2


Explanation: I have carefully examined the image of the bicycle. The seat post is clearly visible, but the saddle (seat) itself is missing from the top of the post where it should be mounted. Thus, no saddle is visible in the image.

Answer: 2


Explanation: The image shows a stainless steel electric kettle. While most electric kettles have an indicator light, typically located on the power switch or near the base to show when the heating element is active, no such light is visible or illuminated in this particular product photograph.

Answer: 2


Explanation: The image shows a front-facing view of a pedestal fan. Control switches for such fans are typically located on the rear of the motor housing, on the center pole, or on the base. In this specific image, no physical buttons, dial switches, or toggle switches are visible on the base, pole, or front of the motor assembly.

Answer: 2


Explanation: The image depicts a green shopping cart with two distinct handle grips extending upwards and backwards from the rear frame of the basket. These are the standard components used to push or pull the cart and are clearly visible within the frame.

Answer: 0


Explanation: The image shows a laptop with its screen open and the base visible. However, the surface where the keyboard should be is shown as a solid, flat, and uniform metallic surface without any keys, borders, or markings. This appears to be a stylized or simplified render where key details have been omitted.

Answer: 2


Explanation: The image depicts a miniature green shopping cart. Upon close inspection of the four points at the bottom where wheels would typically be located, there are only small wire loops or flat metal discs acting as stationary feet. There are no circular, functional wheels visible on this model.

Answer: 2


Explanation: The propeller is located at the front of the aircraft. Because it is oriented edge-on to the camera and the lighting is even, its thin profile is discernible but doesn't stand out clearly against the background compared to the rest of the airframe.

Answer: 1


Explanation: The airplane is a high-wing light aircraft, likely a Cessna. The vertical stabilizer is the upright tail fin located at the rear of the fuselage. In this side/three-quarter view, the vertical stabilizer is clearly visible as the large white upright section of the tail assembly above the registration mark 'PH-STZ'.

Answer: 0


Explanation: The image shows the airplane from a side profile. While the windshield and the windows on the near side of the fuselage are visible, the windows on the opposite side are completely obscured by the aircraft's body. Therefore, the windows on the far side are not visible.

Answer: 2


Explanation: The horizontal stabilizer is the flat, horizontal part of the tail section (empennage) the airplane. In this image, it is clearly visible extending from the rear of the fuselage, just above the registration code 'PH-STZ'.

Answer: 0


Explanation: The top center area of the windshield, where a rear-view mirror is typically mounted, is visible in the image. However, the mirror is absent, and only the overhead console and ceiling light assembly can be seen.

Answer: 2


Explanation: The image displays the interior of a car from the driver's perspective, including the dashboard, instrument cluster, and ignition with keys. However, the steering wheel itself is completely missing from the frame, revealing an empty space where it should be attached to the steering column.

Answer: 2