Datasets:

SeonghoonYu
/

Masking-KD-Rollouts

problem stringlengths 26 1.97k	answer stringlengths 1 40	response stringlengths 183 18.8k	is_correct bool 1 class	parsed_answer stringlengths 1 40
<image> Is the dotted line a line of symmetry? Choices: (A) yes (B) no	A	Got it, let's see. The question is whether the dotted line is a line of symmetry for the umbrella. First, I need to remember what a line of symmetry is. A line of symmetry is a line that divides a shape into two identical halves, so if you fold the shape along that line, both sides match perfectly. Looking at the umbr...	true	A
<image> The clocks show two things Lily did Tuesday evening. Which did Lily do earlier? Choices: (A) ate dinner (B) watched a movie	B	Got it, let's see. The problem is about two clocks showing when Lily did two activities on Tuesday evening: watched a movie and ate dinner. We need to figure out which one happened earlier. First, I need to read the time on each clock. Let's look at the left clock first. The left clock has the hour hand pointing at 7...	true	B
<image> What fraction of the shapes are squares? Choices: (A) 5/10 (B) 3/7 (C) 3/9 (D) 5/9	A	Okay, let's see. I need to figure out what fraction of the shapes are squares. The choices are given, so I should count the total number of shapes and the number of squares first. Looking at the image description: there are green squares and purple circles. Let me break it down row by row. First row: four green squar...	true	A
<image> Is the number of flowers even or odd? Choices: (A) odd (B) even	B	Got it, let's see. The problem is asking if the number of flowers is even or odd. First, I need to count how many flowers there are. Let's look at the image. There are two rows, right? Each row has 5 flowers. So, 5 in the first row and 5 in the second row. To find the total, I add 5 + 5. That's 10. Now, is 10 even or o...	true	B
<image> Is the number of diamonds even or odd? Choices: (A) odd (B) even	B	Got it, let's see. The problem is asking if the number of diamonds is even or odd. First, I need to count how many diamonds there are. Let's look at the image. There are two rows, right? Each row has three diamonds. So, 3 in the first row and 3 in the second row. To find the total, I add them: 3 + 3 = 6. Now, is 6 even...	true	B
<image> Is the number of triangles even or odd? Choices: (A) odd (B) even	B	Got it, let's see. The problem is asking if the number of triangles is even or odd. First, I need to count how many triangles there are in the image. Let me look at the picture. There are two rows, right? Each row has three triangles. So, first row: 3 triangles. Second row: another 3 triangles. To find the total, I add...	true	B
<image> Are there any shapes that are not pentagons?	No	Got it, let's look at the problem. The question is asking if there are any shapes that are not pentagons. First, I need to recall what a pentagon is. A pentagon is a polygon with five sides. So, I need to check each shape in the image to see if they all have five sides. Looking at the image: there are several purple s...	true	No
<image> If two shapes are added, how many sides will there be in total?	35	Okay, let's see. The problem says if two shapes are added, how many sides will there be in total. Hmm, first I need to figure out what the original shapes are. Looking at the image, there are five orange pentagons in the top row. Each pentagon has five sides, right? So originally, there are five pentagons. Wait, the q...	true	35
<image> How many crabs are there in the image?	4	Okay, let's see. The question is asking how many crabs are in the image. Alright, first I need to look at the image provided. Wait, I can't actually see the image, but the user mentioned there's a description with some icons. Let me check the text they provided. The user wrote: "first" followed by a list of icons. The...	true	4
<image> How many squares are larger than the smallest square?	2	Okay, let's see. The problem is asking how many squares are larger than the smallest square. Hmm, first I need to figure out which squares are the smallest. Wait, the image shows three green squares. Let me visualize them. There's one on the left, one in the middle top, and one on the right. But wait, are they all the ...	true	2
<image> If each dog needs two bones, how many more bones are needed?	1	Okay, let's see. The problem says if each dog needs two bones, how many more bones are needed? Hmm, first I need to figure out how many dogs there are. Looking at the image, there's a dog at the top and then a bone below. Wait, no, wait. Wait, the image shows one dog and one bone. Wait, but the question is about how ma...	true	1
<image> If the clock is set to run faster and gains 5 minutes every hour, what will be the time shown after one hour?	4:05	Okay, let's see. The problem is about a clock that's running faster, gaining 5 minutes every hour. We need to find out what time it will show after one hour. Hmm, so first, I need to understand how the clock works. Normally, a clock runs at 60 minutes per hour, right? But this one gains 5 minutes each hour. So, if it's...	true	4:05
<image> How many more shapes are needed to fill half of the frame?	2	Okay, let's see. The problem is asking how many more shapes are needed to fill half of the frame. Hmm, first I need to understand what the frame looks like. The image shows a grid, right? There are some pink pentagons in the top row. Let me count the number of columns. The grid has 5 columns because there are 5 vertica...	true	2
<image> What is the ratio of the largest star to the smallest star?	2:1	Okay, let's see. The problem is asking for the ratio of the largest star to the smallest star. Hmm, first I need to figure out which stars are the largest and the smallest. Looking at the image, there are three green stars. Let me visualize them. The first two stars on the left are the same size, right? And the third o...	true	2:1
<image> What type of polygon are these shapes?	Octagon	Got it, let's see. The problem is asking what type of polygon these shapes are. First, I need to recall what a polygon is: a closed shape with straight sides. Now, looking at the image, there are four shapes, each with eight sides. Wait, how many sides does an octagon have? Let me remember. A polygon is named by the nu...	true	octagon
<image> How many orange circles are there in the top half of the image?	3	Okay, let's see. The question is asking how many orange circles are in the top half of the image. First, I need to visualize the image. The user provided a description of the image: there are orange circles arranged in some pattern. From the description, it's a square with a black border, and there are six orange circl...	true	3
<image> If the clock is set to a 24-hour format, what time would it display?	05:00	Okay, let's see. The problem is about a clock set to 24-hour format, and we need to figure out what time it would display. The image shows a digital clock with the time 5:00. Wait, but the question is asking if it's in 24-hour format, what would it show. Hmm. First, I need to remember how 12-hour and 24-hour formats d...	true	05:00
<image> If the spinner is spun 100 times, how many times can we expect it to land on green?	75	Okay, let's see. The problem is about a spinner that's spun 100 times, and we need to find out how many times we can expect it to land on green. First, I need to figure out the probability of landing on green. Looking at the spinner image, it's a circle divided into sections. There's a green part and a white part. Th...	true	75
<image> How many non-living objects are there in the sequence?	3	Okay, let's see. The question is asking how many non-living objects are in the sequence. First, I need to figure out what the sequence is. The image shows a sequence of icons: a red crab, a green bucket, another red crab, a blue boat, and another green bucket. Wait, but the user mentioned "first" with a speaker icon, m...	true	3
<image> Is this shape symmetrical?	Yes	Okay, let's see. The question is whether the given shape is symmetrical. The image shows a cone, right? So first, I need to recall what symmetry means. Symmetry in geometry usually refers to a shape being identical on both sides of a certain line or plane. For 2D shapes, it's about reflection symmetry, where one half i...	true	Yes
<image> What is the total number of squares in both rows?	10	Okay, let's see. The problem is asking for the total number of squares in both rows. Hmm, first I need to figure out how many squares are in each row and then add them together. Looking at the first row. There's a sailboat in the first square, and then there are four more empty squares. Wait, let me count. The first r...	true	10
<image> How many shapes are both orange and circles?	3	Got it, let's see. The problem is asking how many shapes are both orange and circles. So first, I need to identify the shapes that are in the intersection of the two circles. The left circle is labeled "orange" and the right circle is labeled "circle". The intersection area is where both conditions are true: the shape ...	true	3
<image> How many dogs are between the first and last house?	4	Okay, let's see. The problem is asking how many dogs are between the first and last house. Hmm, first I need to figure out where the first and last houses are in the sequence. Looking at the image description, there's a sequence of icons: a pink house with a heart, then two dogs, a purple paw print, another dog, anoth...	true	4
<image> How many houses have a dog sitting next to them?	2	Okay, let's see. The question is asking how many houses have a dog sitting next to them. Hmm, first I need to look at the image provided. Wait, there's a description here with some icons. Let me parse it. The image has a sequence of icons: a pink house with a heart, then two brown dogs, a purple paw print, another bro...	true	2
<image> How many rows of marbles are there?	5	Okay, let's see. The question is asking how many rows of marbles there are. Hmm, first I need to figure out what counts as a row. Rows are usually horizontal lines of objects, right? So I should look at the image and count how many horizontal lines there are. Wait, the user provided an image description. Let me visual...	true	5
<image> Are there more rectangles or triangles in the image?	Rectangles	Okay, let's see. I need to figure out if there are more rectangles or triangles in the image. Hmm, first I should count both shapes. Looking at the image, there are some blue rectangles and green triangles. Let me start by counting the rectangles. Let me go row by row. First row: There's a rectangle on the left, then...	true	rectangles
<image> If the entire circle is painted blue, what fraction of the original blue area would that be?	2	Okay, let's see. The problem is asking: If the entire circle is painted blue, what fraction of the original blue area would that be? Hmm, first I need to understand the image. The user provided a description of a circle divided into two parts, with the top part blue and the bottom part white. Wait, but the image is a c...	true	2
<image> How many shapes are in the image in total?	6	Okay, let's see. I need to count all the shapes in the image. The problem shows two overlapping circles, one labeled "orange" and the other "triangle". First, I should look at each section of the Venn diagram. The left circle is for orange, the right for triangle. The overlapping part is where both are true. Startin...	true	6
<image> How many stars have a darker shade of purple?	0	Okay, let's see. The question is asking how many stars have a darker shade of purple. The image shows two stars, both in purple. Wait, but the user mentioned "darker shade of purple." Hmm, maybe the stars are the same color? Let me check again. Looking at the image description: there are two purple stars. The problem ...	true	0
<image> If the spinner is spun 100 times, how many times can we expect it to land on pink?	25	Okay, let's see. The problem is about a spinner and figuring out how many times it would land on pink if spun 100 times. Hmm, first I need to figure out the probability of landing on pink. So, the spinner is a circle, right? The pink part is a sector. To find the probability, I need to know what fraction of the circl...	true	25
<image> If the watch gains 5 minutes every hour, what will the time be on the watch after 2 hours?	10:10	Okay, let's see. The problem is about a watch that gains 5 minutes every hour. We need to find out what time it will show after 2 hours. Hmm, first, I need to understand how time gain works here. So, normally, if a watch is accurate, after 1 hour, it would show 1:00. But this watch gains 5 minutes each hour. That mean...	true	10:10
<image> If the line represents a scale and each paper clip is 1 unit, what is the total value of the line?	3	Okay, let's see. The problem says that the line represents a scale and each paper clip is 1 unit. We need to find the total value of the line. First, I need to figure out what the line is measuring. The image shows three paper clips arranged horizontally. Wait, the line is above them. Maybe the line is a ruler or a sc...	true	3
<image> How many distinct colors are used in the image?	3	Okay, let's see. The question is asking how many distinct colors are used in the image. The image is a bell icon. Let me try to visualize it. First, the bell itself. The main part of the bell is a light yellow or maybe a pale orange color. Then there's a brown base at the bottom. The top part of the bell has a small k...	true	3
<image> If you pick one marble and it is green, what is the probability that the next marble you pick is black?	1	Okay, let's see. The problem is: If you pick one marble and it is green, what is the probability that the next marble you pick is black? First, I need to figure out the setup. The image shows three marbles: one green and two black. Wait, let me confirm. The description says "three marbles: one green and two black." So...	true	1
<image> Is the strawberry depicted in a realistic or cartoonish style?	Cartoonish	Got it, let's see. The question is whether the strawberry is realistic or cartoonish. First, I need to analyze the image. The strawberry has a bright red color, which is typical, but the details—like the seeds. In real strawberries, the seeds are small and more scattered, but here they look like uniform, light yellow d...	true	cartoonish
<image> If you add 3 more snowflakes to the bottom ten frame, how many empty spaces will be left?	1	Okay, let's see. The problem is about adding 3 more snowflakes to the bottom ten frame and figuring out how many empty spaces will be left. Hmm, first I need to understand what a ten frame is. From what I remember, a ten frame is a grid that holds up to 10 items, usually used for counting and understanding numbers. So ...	true	1
<image> Are the oars arranged symmetrically in relation to the dotted line?	Yes	Okay, let's see. The question is whether the oars are arranged symmetrically in relation to the dotted line. Hmm, first I need to visualize the image. There's a boat, and two oars crossed inside it. The dotted line is diagonal, right? So the boat is probably oriented with the dotted line going through it. Wait, symmet...	true	Yes
<image> Is the shape regular or irregular?	Regular	Okay, let's see. The question is whether the shape in the image is regular or irregular. Hmm, first I need to recall what makes a shape regular or irregular. So, a regular polygon has all sides equal in length and all interior angles equal. If either the sides or the angles are not all the same, then it's irregular. B...	true	regular
<image> How many checkmarks are there in the sequence?	4	Okay, let's see. The question is asking how many checkmarks are in the sequence. Wait, but the image shows a sequence of icons. Let me try to visualize it based on the description. First, there's a "first" label with a speaker icon. Then the sequence starts with a red train, followed by two green airplanes, then a blu...	true	4

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Masking-KD Rollouts

Training data for Hide to See: Reasoning-prefix Masking for Visual-anchored Thinking in VLM Distillation (NeurIPS 2026).

Paper: https://arxiv.org/abs/2605.11651
Code: https://github.com/Seonghoon-Yu/Masking-KD
Model: SeonghoonYu/Masking-KD

How it was built

Questions: ViRL39K, using the processed version PAPOGalaxy/PAPO_ViRL39K_train.
Teacher: Qwen3-VL-8B-Thinking, greedy decoding, up to 4096 new tokens.

Prompt: the question followed by the instruction below.

You first think through the reasoning process as an internal monologue, enclosed within <think> </think> tags. Then, provide your final answer enclosed within \boxed{}.

Filtering: we keep only rollouts whose final \boxed{} answer matches the ground truth, giving 19,387 examples.

scripts/generate_rollouts.sh in the code repository regenerates this data.

Fields

Field	Description
`images`	Input images
`problem`	Question, with `<image>` placeholders
`answer`	Ground-truth answer
`response`	Teacher response (reasoning + final answer)
`is_correct`	Whether the response's final answer is correct (always `True` here)
`parsed_answer`	Answer extracted from the response's last `\boxed{}`

Citation

@inproceedings{yu2026hide,
  title     = {Hide to See: Reasoning-prefix Masking for Visual-anchored Thinking in VLM Distillation},
  author    = {Yu, Seonghoon and Nam, Dongjun and Lee, Byung-Kwan and Son, Jeany},
  booktitle = {Advances in Neural Information Processing Systems (NeurIPS)},
  year      = {2026}
}

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SeonghoonYu/Masking-KD

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Paper for SeonghoonYu/Masking-KD-Rollouts

Hide to See: Reasoning-prefix Masking for Visual-anchored Thinking in VLM Distillation

Paper • 2605.11651 • Published May 13