In a room with a window and scattered furniture, a person in a blue shirt stands on a ladder, reaching upward to apply a substance to the ceiling. A second person in a black sleeveless shirt holds a white object and moves toward the ladder person, adjusting their position while the blue-shirted individual continues working on the ceiling. The camera remains slightly shaky, capturing the two figures' movements in the space.

Two people: one on a ladder applying plaster to the ceiling, the other on the ground holding tools and assisting. Both exhibit discrete, solid object motion due to physical work (plastering and tool handling).

The background (walls, door) is stable with no shifting or environmental fluid motion (fire, water, wind).


RAW CAPTION: Got it, let's break this down. The video shows a group of people around a wooden table playing cards. First, look at the sequence:

- At the start, hands are on the table, cards are laid out. A person in a light blue jacket moves their hand over the cards.
- Then, another person (left side, light-colored shirt) points at a card. The person in light blue picks up a card from the pile.
- The action is chronological: pointing, picking up, shuffling (since they're holding cards to shuffle).
- Subjects: multiple people, but focus on their actions. Main subjects are the hands and the cards.
- Appearance: the table is wooden, cards are visible (some with red diamonds, maybe 7s? But don't mention specific card values unless essential, but the rules say exclude text recognition, so just general cards).
- Spatial: people are around the table, hands in different positions.
- Camera: top-down view, static (no movement mentioned, so slight shake? Wait, the video's movement isn't described, but the rules say "conclude with camera perspective and movement". The given frames are from above, so top-down. No movement like pan, just static.

Rules to follow: chronological order, motions, appearance (color, size, orientation), spatial relationships, camera.

Let's structure:

Start: People around a wooden table with scattered cards. A hand (light blue sleeve) gestures over the cards. Another hand (light shirt) points at a card. Then, the light blue sleeve hand picks up a card from the table, shuffles them.

Check for minimal background: just the table, no need for background details.

Final caption should be concise, chronological paragraph.

So:

Four individuals gather around a wooden table, with visible hands and scattered playing cards. A person wearing a light blue jacket gestures over the cards, then picks up a stack, shuffling them. Another individual, in a light-colored shirt, points toward a card on the table. The camera maintains a top-down perspective throughout, capturing the group's interaction with the cards.

Wait, check rules: "exclude text recognition, named characters"—so no saying "four individuals" but maybe "several people". Also, "main subjects (people/animals/objects)"—objects are cards.

Wait, the video shows multiple hands (at least three people visible: purple shirt, light blue, checkered shirt, maybe more). Let's describe the main actions:

First frame: hands around table, cards laid out. A hand (light blue jacket) is extended towards the cards. Then, the same hand starts moving, maybe picking up. Then, another hand points at a card. Then, the light blue hand picks up a card and shuffles.

So chronological:

- Initial state: several people sit around a wooden table with playing cards spread across it. A person’s hand (in a light blue jacket) extends toward the cards.
- Next, a hand from another individual (wearing a light-colored striped shirt) points at one of the cards.
- Then, the first hand (light blue jacket) picks up a small stack of cards and begins shuffling them.

Wait, the video has:

Frame 0: hands on table, cards laid out. Light blue hand is over cards.
Frame 1: same, light blue hand still there.
Frame 2: light blue hand moves towards a card.
Frame 3: light blue hand picks up a card (now holding a stack), and the other person's hand (striped shirt) is pointing.

So sequence:

1. Multiple people sit around a wooden table with playing cards arranged on it. A person wearing a light blue jacket gestures toward the cards with their hand.
2. Another individual, whose arm is visible in a light-colored striped shirt, points at a card on the table.
3. The person in the light blue jacket picks up a stack of cards and begins to shuffle them.

Also, need to mention spatial: hands are in front of the table, people around it.

Camera perspective: top-down, static.

Putting it all together:

Several people sit around a wooden table with playing cards laid out. A hand in a light blue jacket gestures toward the cards, followed by another hand in a light-colored striped shirt pointing at one of the cards. The light blue-jacketed hand then picks up a stack of cards and shuffles them. The camera maintains a top-down view throughout the sequence.

Check rules:

a) Chronological order: yes, gestures, pointing, shuffling.

b) Appearance: light blue jacket, light striped shirt, wooden table.

c) Spatial: around the table, hands in front.

d) Camera: top-down.

e) Background minimal: table is main background.

f) Exclude text: yes, no card values.

g)

Hands are moving cards on a table; one hand is shuffling/arranging cards, another is pointing or adjusting their position. The cards and hands exhibit distinct physical interactions.

The wooden floor and static background elements (e.g., purple garment, table) show no uniform shifting or fluid motion. No fire, water, or wind is present.


A barefoot child wearing a white shirt and light purple pants jumps with arms raised, then falls forward, and subsequently stands upright. The background includes a couch and television but is minimal. The camera remains stationary.

A child (discrete solid object) performs explicit physical actions: jumping with raised arms, executing a cartwheel, and walking. Motion is driven by locomotion and collision (e.g., feet on the floor during jumps), with clear bounding box tracking.

Static background elements (walls, TV, couch, window curtains) remain fixed with no shifting or environmental fluid motion (fire, water, smoke, wind) observed. No background blur or distortion indicates no camera-induced effects.


RAW CAPTION: Okay, let's tackle this video captioning task. First, I need to understand the rules. The user wants a concise chronological paragraph focusing on the motion and behavior of the main subjects, which are two people playing badminton. I should describe their appearance, number, spatial relationships, camera perspective, and keep background minimal.

Looking at the video frames: The first frame is a green screen with "ALPHA PLUS" in yellow and black, but according to the rules, I shouldn't include text recognition. The next frame has text overlays, but again, exclude those. Then, the scene shifts to an indoor badminton court with two players. One is in a yellow shirt and gray shorts with orange shoes, the other in black shirt and gray pants. They're playing, hitting the shuttlecock.

I need to list the actions in order. The players are moving, hitting the shuttlecock back and forth. The camera probably follows their movements. Background is the indoor court with green walls and doors. But per rule e, keep background minimal. So mention the court briefly.

Check the rules again: focus on motion, chronological. Start with the players' positions, then their actions. First, they're standing on the court. One player (yellow) hits the shuttlecock, then the other (black) responds. Then the yellow player moves to the right, the black one moves left. Camera might be following the action, maybe a slight pan.

Wait, the video starts with green screen, then text, then the players. The caption should start from the actual action part, so skip the initial text frames. The user says to focus on the motion and behavior of main subjects, so the first action is the players in the court.

So: Two individuals play badminton indoors. One wears yellow shirt, gray shorts, orange shoes; the other, black shirt, gray pants. They hit a shuttlecock back and forth. The yellow-shirted player moves left, then right, while the black-shirted player moves forward and left. Camera follows their movements with slight pans, maintaining a mid-level angle.

Wait, need to check the exact sequence. The frames: at [2.5s] two players standing, then [3.6s] yellow player hits, black moves to hit. [4.7s] black player hits, yellow moves left. So chronological order: they hit the shuttlecock alternately. Need to describe the movement sequence.

Also, mention their spatial positions: initially facing each other, then moving. But the rules say spatial relationships if relevant. Maybe "one player moves left while the other moves right" or similar.

Background is indoor badminton court with green walls and doors, but keep it minimal. So just say "indoor badminton court".

The camera perspective: starts with a view of the court, maybe tracking the players' movements, slight pans.

Avoid text recognition, so no "SUBSCRIBE" mentions.

Let me draft:

Two individuals play badminton on an indoor court. One wears a yellow shirt, gray shorts, and orange shoes; the other wears a black shirt and gray pants. They exchange shots, with the yellow-shirted player moving left after hitting the shuttlecock, then the black-shirted player moving forward to return it. The camera follows the action with slight pans, maintaining a mid-level view of the court.

Wait, check if the movement order is correct. The video shows the yellow player hitting first (frame 3.6s), then the black player responds (frame 4.7s). So the yellow player hits, then the black player hits back. The yellow then moves left. The camera might pan to follow the shuttlecock.

Alternatively: The yellow-shirted player hits the shuttlecock towards the black-shirted player, who then moves to return it; the yellow player subsequently moves left while the black player adjusts position. Camera captures the exchange with slight panning.

But need to be concise. Let's see the examples from previous tasks. The caption should be in chronological order, describing each action step.

Final draft:

Two people play badminton indoors: one in a yellow shirt, gray shorts, and orange shoes; the other in a black shirt and gray pants. They alternate hitting a shuttlecock, with the yellow-shirted player moving left after a shot, followed by the black-shirted player moving forward to return it. The camera follows their movements with slight pans, maintaining a mid-level perspective of the court.
</think>

<caption_output>Two individuals play badminton indoors: one wears a yellow shirt, gray shorts, and orange shoes; the other wears a black shirt and gray pants. They alternate hitting a shuttlecock, with the yellow-shirted player moving left after a shot, followed by the black-shirted player moving forward to return it. The camera follows their movements with slight pans, maintaining a mid-level perspective of the court

Two players (one in yellow, one in black) and a badminton shuttlecock are moving. The players walk, swing rackets, and hit the shuttlecock, which flies between them.

The green walls and wooden floor in the background show no shifting or fluid motion; no fire, water, smoke, or wind effects are present.


A small child wearing a pink shirt moves their head rapidly, shifting gaze between the camera and the surrounding room. The camera remains handheld with slight motion, capturing the child’s dynamic facial expressions and head turns in a dimly lit interior space.

Child in pink shirt exhibits head turns, gaze shifts, and slight body movements; discrete solid object motion due to intentional locomotion.

Background elements (lamp, door, wall) show no shifting or ambient environmental motion; no fire, water, smoke, or wind observed.


A man wearing a black shirt, dark pants, and black sneakers performs a series of bending and arm-lifting motions in a gym, moving between upright and forward-bent positions. He stands in front of a row of treadmills with exercise bikes positioned to his right. The camera remains stationary, capturing the sequence from a fixed perspective without noticeable movement.

A person (discrete solid object) moves by stepping on/off a treadmill and making arm gestures, indicating active locomotion.

The gym background (walls, equipment, floor) shows no shifting or environmental motion; no fire, water, smoke, or wind effects are present.


RAW CAPTION: Got it, let's tackle this video captioning task. First, I need to follow the rules carefully. Let's look at the video frames.

Frame 0: A close-up of a tabby cat's face. The cat has gray and black stripes, white muzzle, and is being gently touched by a human hand on the cheek. The background is blurred, maybe a window with trees.

Frame 1: The cat opens its eyes, looking upwards, head tilted back. The human hand is still near, but the cat's expression changes.

Frame 2: The camera pulls back to show the cat lying on a couch, belly up. The cat's paws are visible, white with pink pads, and the cat is looking down at them.

Frame 3-4: The cat's paws are shown in detail, moving slightly. The cat is on a brown cushion, paws relaxed.

Now, chronologically:

- Start with the cat's face being touched (close-up). Then the cat moves its head up, opens eyes. Then the camera pulls back to show the cat on the couch, belly up, showing paws. Then the focus is on the paws, maybe moving a bit.

Need to describe motions: hand touches face → cat looks up → camera pulls back to show body/paws → paws are relaxed, maybe moving.

Appearance: Tabby cat, gray/black stripes, white chest/paws. Human hand.

Spatial: Hand near cat's face, then camera moves back to show cat on couch.

Camera: Starts close-up, then pulls back (maybe pan or tilt), ends with close-up on paws.

Background: Minimal, blurred greenery, but not essential. Focus on cat's actions.

Now, structure the caption:

First part: Cat's face touched by hand (close-up), then cat looks up (moves head), then camera pulls back to show cat on couch, paws visible, then focus on paws.

Make sure chronological, concise.

Check rules: mention motion, appearance (color, size), spatial, conclude camera perspective.

Let's draft:

A tabby cat with gray and black stripes and white paws is gently touched on the cheek by a human hand in a close-up shot. The cat opens its eyes and lifts its head upward. The camera then pulls back to reveal the cat lying belly-up on a brown couch, showcasing its relaxed, white-pawed feet with pink pads. The cat's paws remain still as the camera focuses closely on them.

Wait, check if it's chronological: first touch, then head up, then camera pulls back to show couch and paws. Yes.

Check appearance: tabby (gray/black stripes), white paws, pink pads. Correct.

Spatial: hand near face, then cat on couch.

Camera: close-up, then pulls back, then close on paws. Concludes with camera perspective (focus on paws).

Background minimal, not mentioned.

Exclude text, names.

Now, is it concise? Let's make it tighter.

"A tabby cat with gray and black stripes and white paws is gently touched on the cheek by a hand in a close-up. The cat opens its eyes, lifts its head, and the camera pulls back to show the cat lying belly-up on a brown couch, revealing its relaxed white feet with pink pads."

Wait, but the video shows the cat moving from face to body to paws. Let's check frames again.

Frame 0: face, hand touching.

Frame 1: cat looks up (head moved), hand maybe still there but not clear.

Frame 2: camera pulls back to show cat on couch, belly up, paws.

Frame 3-4: paws in focus.

So sequence: touch → cat lifts head → camera pulls back to show body/paws → focus on paws.

So caption:

In a close-up, a tabby cat with gray and black stripes and white paws is gently touched on the cheek by a hand. The cat opens its eyes, lifts its head upward, and the camera pulls back to reveal the cat lying belly-up on a brown couch. The cat’s white-pawed feet with pink pads remain relaxed as the camera focuses closely on them.

Yes, that seems to cover the motion (touch → lift head → pull back → focus on paws), appearance (tabby, colors), spatial (hand near face, cat on couch), camera (close-up, pull back, focus on paws). Background is minimal, not mentioned. Excluded all other elements.

Check rules:

a) Motion and behavior: touch, lift head, pull back, focus on paws.

b) Appearance: tabby (gray/black stripes), white paws.

c) Spatial: hand near face, cat on couch.

d) Camera: starts close-up, pulls back, focuses on paws.

e)

The cat's head and body move in response to the human hand. The cat's paws are visible and move slightly. The human hand moves to touch the cat.

The background (trees, window, brown surface) is static throughout. No fluid or wind effects observed. Background does not shift uniformly, so not camera_motion.


Two individuals, one in a blue shirt and light shorts, the other in a gray shirt and dark shorts, engage in a squash match within an enclosed court. Initially facing each other, the blue-shirted player swings their racket to hit the ball toward the opponent, who then moves left to return the shot. The gray-shirted individual lunges forward to strike the ball, followed by the blue-shirted player moving right to respond. Both athletes maintain dynamic movement across the wooden floor within the court. The camera captures the action from a fixed, exterior perspective through the glass doors, showing no movement.

Two people (racquetball players) and a racquetball are moving. Players run, swing racquets, and interact with the ball; the ball moves after collisions with walls or racquets.

The background elements (walls, floor, glass doors) remain static with no shifting or fluid motion. No fire, water, smoke, or wind is present.


Discrete objects: hand with tattoo, shoe, and polishing brush. Hand moves brush in circular motion over shoe for polishing.

Background includes stationary window and table; no shifting or environmental fluids (fire, water, wind).


A person wearing a white cap, white t-shirt, blue shorts, and barefoot balances on a slackline, extending arms for stability. They shift weight forward, adjusting posture to maintain equilibrium. The background includes palm trees and a grassy field under a clear blue sky, with the camera maintaining a steady perspective.

A person (wearing white shirt, blue shorts, and white cap) is moving actively, jumping and swinging, indicative of a badminton swing.

The background features palm trees swaying in the wind (ambient environmental motion), but this is not the dominant motion in the video. The primary motion is driven by the person's activity.


A person wearing brown boots and dark socks stands on wooden planks of a structure, using a hammer to strike a metal fastener into the wood. The individual steps forward, adjusts their footing, and repeatedly raises and lowers the hammer to drive the fastener deeper. Metal support beams are visible beneath the wooden planks. The camera maintains a close-up, slightly shaky perspective focused on the lower body and hammering motion throughout.

The person's legs and feet are moving due to stepping on the wooden planks. A hand is moving to strike the metal frame with a hammer and a wooden stick.

The background (grass and metal structure) is static with no significant fluid motion or environmental forces like wind. No fire, water, or smoke observed.


RAW CAPTION: Got it, let's tackle this captioning task. First, I need to look at the video frames provided. The user gave five frames, each showing different scenes.

Starting with frame 0: there's a group of people on a boat. They're wearing life jackets, some red, some yellow. A man in a black shirt is at the helm. Then frame 1: a person in a black jacket is at the end of a narrow water channel, maybe a boat. Frame 2: similar to frame 1, but the person is now on the boat, which has a yellow buoy. Frame 3: a sailboat with a person in a black shirt and another in an orange helmet, racing on the water. Frame 4: the sailboat is moving, with the numbers 99 and 98 visible, showing competition.

Now, the rules say to focus on motion and behavior chronologically. Let's list the scenes in order.

First scene: group of people (multiple, life jackets) on a boat, man steering. Second scene: person at the start of a channel (maybe preparing to race). Third scene: same person on the boat, which is moving in the channel. Fourth scene: sailboat with two people, racing. Fifth scene: sailboat in action, racing past another boat.

Wait, the frames are sequential: frame 0 to frame 4. So the video transitions from a group on a boat, then a person on a channel, then the boat moving, then a sailboat, then another angle of the sailboat. Need to describe the motion chronologically.

Let's break down each frame's key elements:

Frame 0: Several people (including children) on a boat, wearing red and yellow life jackets. A man in a black shirt operates the boat. The boat is stationary.

Frame 1: A person in a black jacket stands at the end of a narrow, calm water channel (like a race course). The channel has stone walls. The person seems to be preparing to launch or start.

Frame 2: The same person is now on the boat, which is moving through the channel. The boat has a yellow buoy on the water ahead.

Frame 3: A sailboat (blue, numbered 99) with two people. One in a black shirt, one in an orange helmet, sailing on open water.

Frame 4: The sailboat (99) is close to another boat (98), both racing. The water is choppy, showing speed.

Now, need to order these chronologically as per the video sequence.

Start with frame 0: group on boat, man steering. Then frame 1: person at the channel's end. Frame 2: person on the moving boat in channel. Frame 3: sailboat racing. Frame 4: sailboats competing closely.

Check spatial relationships: in frame 0, people are on boat; frame 1, person at channel end; frame 2, person on boat moving in channel; frame 3, sailboat on open water; frame 4, sailboats near each other.

Appearance: frame 0: multiple people, life jackets (red, yellow), man in black. Frame 1: one person, black jacket. Frame 2: same person, boat moving. Frame 3: two people on blue sailboat (99), one black shirt, one orange helmet. Frame 4: two sailboats, 99 and 98.

Motion: frame 0 (stationary), frame 1 (standing at channel end), frame 2 (boat moving in channel), frame 3 (sailboat moving), frame 4 (sailboats racing closely).

Now, write the caption in chronological order, keeping it concise.

Start with the first scene: multiple people on a boat, wearing life jackets, a man in black at the helm. Then transition to a person in a black jacket standing at the end of a narrow water channel, then the person is on a moving boat in the channel with a yellow buoy ahead. Then a blue sailboat with two people (one in black, one in orange helmet) sailing on open water, followed by the sailboat (number 99) racing alongside another boat (number 98) on choppy water.

Wait, but the rules say to exclude text recognition (like numbers 99, 98) so just mention the sailboats without numbers. Wait, rule f: Exclude text recognition, named characters, or stylistic analysis. So can't mention "99" or "98", but maybe describe as "a sailboat" and "another sailboat".

Wait, let's check the rules again: "Exclude text recognition, named characters, or stylistic analysis." So text like "RYA" or "Subscribe" is excluded (

Discrete solid objects: sailboats, speedboats, and an aircraft, moving independently due to propulsion (sails, engines) with clear bounding box tracking.

Static backgrounds (canal walls, hills, calm water) show no significant shifting or fluid motion; water remains still with no dominant wave or current effects.


The slot machine's reels spin rapidly, transitioning between symbols such as BAR and 7 before halting to display fixed symbols. The machine's credit counter and control buttons remain visible as the reels settle. The camera maintains a close focus on the machine, with slight adjustments in angle throughout the sequence.

The slot machine's reels are spinning, indicating discrete solid objects (reels) moving due to mechanical operation. A hand is briefly visible interacting with buttons.

The background appears to be static casino elements (slot machines, walls) with no visible fluid or environmental motion (fire, water, smoke, wind). No uniform background shift observed.


A person wearing a yellow sweater grips the steering wheel of a Lexus, initially holding it with both hands, then turning the wheel left with their right hand before returning to a neutral position. The camera remains fixed inside the vehicle, focusing on the driver’s hands and the steering wheel, with minimal background details visible through the windshield.

Discrete solid objects (the driver's hands) are moving due to physical locomotion (steering the wheel). The hands exhibit clear, purposeful motion while gripping and turning the steering wheel.

The background consists of the car's interior (dashboard, steering wheel, controls), which shows no significant shifting or environmental fluid motion (e.g., fire, water, wind). Static elements like the steering wheel and dashboard remain consistently positioned relative to the frame.


A person wearing a black shirt with white stripes sits on a blue couch, playing an acoustic guitar. Their left hand presses strings on the fretboard while the right hand strums, maintaining focus on the instrument. The background includes a drum set and furniture, but the scene centers on the player's hands and the guitar. The camera remains stationary, capturing a close-up of the upper body and instrument.

A person is playing a guitar, with hand movements on the fretboard and strumming.

The background (room with bed, chair, etc.) is static and shows no fluid or environmental motion (e.g., fire, water, wind).


A person in a black shirt and dark shorts sits on an inclined gym bench, gripping a weighted barbell. They lower the barbell from an overhead position to chest height, then press it back up repeatedly. The barbell moves through a full range of motion between the chest and overhead. The camera remains stationary, capturing the exercise from a side angle with minimal background detail.

A person is performing a supine incline bench press, moving a barbell with weights. The motion is controlled and due to muscle contraction.

The background (gym equipment, window view) is static and shows no shifting or fluid motion. No fire, water, or smoke observed. The environment is calm and stable.


A hand holds and rotates a small white square object with black grid patterns, displaying its surface details. The object is manipulated in close-up, with fingers adjusting its position against an office desk backdrop featuring a keyboard. The camera maintains a steady close-up perspective with slight movement as the hands move.

The hand manipulates a white electrical outlet (or similar device), moving it and inserting a wire. The outlet is a solid object in motion due to the hand's physical action.

The background (keyboard and desk) is static with no shifting; no fire, water, smoke, or wind is present.


Two bald men are present; one seated wearing a black shirt with red and white sleeves, the other standing behind in a black shirt with visible arm tattoos. The standing man lifts a device to shave the seated man's head, moving it across the scalp in a downward motion. The seated man looks downward, remaining still. The camera stays stationary with a slight shake throughout.

Two individuals: one seated (receiving a tattoo) and another standing (applying the tattoo). The standing individual’s hands move toward the seated individual’s head, indicating intentional physical interaction.

The yellow walls with signs and framed pictures in the background show no uniform shifting or fluid motion (fire, water, smoke, wind); static elements remain consistent across frames.


A group of people in various colored winter clothing stand and move on an ice rink, holding curling brooms and stones. A person in a blue jacket walks across the ice carrying a curling stone. The camera transitions to a close-up of multiple curling stones with yellow handles and gray bodies arranged on the ice surface. The perspective shifts from a medium shot of the group to a tight focus on the stones.

People (discrete solid objects) are moving via locomotion (walking) and holding curling brooms; curling stones are visible but remain stationary in the initial frames.

No shifting backgrounds or fluid/environmental motion observed. The ice rink background is static, with no fire, water, or wind elements.


A man in white traditional clothing and black shoes performs slow martial arts movements on a stone platform. He begins with arms extended outward, shifts his stance and arms to a different position, then raises one arm while lowering the other, and concludes with a bow-like stance. He remains centered on the platform, with a brick wall and distant mountains in the background. The camera maintains a static position throughout.

A person in white clothing performs controlled locomotion (likely martial arts), with distinct arm and body movements tracked across frames.

Static stone walls and distant mountains show no shifting or fluid motion. No fire, water, or smoke present, ruling out ambient_environmental.


Two men stand facing each other on a red running track. A man in a black shirt and dark pants runs toward a hurdle on the track, jumps over it, and continues running. The camera remains stationary, capturing the man’s approach and jump from a frontal perspective.

A person in a black shirt and blue pants runs towards and jumps over hurdles, demonstrating locomotion and collision with the hurdle structure.

Background elements (track lines, buildings, grass) are stationary and show no uniform shifting or fluid motion. No fire, water, smoke, or wind-driven motion is visible.


A person wearing a gray hoodie and blue beanie descends a white wooden staircase, carrying a gray bag. They step onto the bottom stair, place the bag on the ground, and exit the frame. The camera remains stationary, capturing the scene from a fixed perspective.

A person in a gray hoodie is moving around the exterior staircase: approaching, working on the stairs, and then leaving the frame. This motion is discrete and solid, involving locomotion and tool use.

No uniform shifting of static background elements (grass, trees, house structure); no fire, water, smoke, or wind-induced fluid motion observed.


A seated man in a gray shirt is positioned at a table with cups and a green drink. Two women stand behind him; one wears a white top and red plaid skirt, the other wears a white top with red accents and a pink cap with sunglasses. Initially, the woman in the white top and plaid skirt embraces the other woman, then they separate and step back slightly. The camera remains static with minimal background details visible.

Two women (one holding a pink object) and a seated man exhibit intentional movements: women adjust positions and interact, man raises hand/gestures; all motions are voluntary locomotion without environmental influence.

Background (red wall, interior furniture) shows no shifting or fluid motion. No fire, water, smoke, or wind observed.


RAW CAPTION: Got it, let's break this down. The video starts with a close-up of a cymbal. A drummer's hand comes into view, then a stick hits the cymbal. The cymbal vibrates. The text "@LEGADOCYBALS" appears over it. The hand moves to the snare drum. Then the scene darkens. Need to focus on motion and chronological order.

First, identify the main subject: the drummer (partial view, arm with tattoo), the cymbal (gold, large), drums (snare, toms). The action: hand strikes cymbal, cymbal shakes, hand moves to snare. Background is room with wooden floor, rug. Camera is top-down.

Check rules: exclude text, so don't mention the text. Focus on motion: hand hits cymbal (motion), cymbal vibrates, hand moves to snare. Describe appearance: cymbal is gold, large; drummer's arm with tattoo. Spatial: hand is in front of cymbal, then to the snare (which is to the right of the cymbal maybe?).

Chronological order: start with cymbal, hand strikes, cymbal vibrates, hand moves to snare, then scene darkens. Camera is top-down, no movement mentioned, so just top-down.

So structure: A person's arm with a tattoo strikes a large gold cymbal, causing it to vibrate; the arm then moves toward a white snare drum. The scene transitions to darkness. The camera maintains a top-down perspective throughout.

Check for minimal background: mention the room with wooden floor only if essential. Since it's a drum setup, maybe not necessary. But the rug is there, but maybe not essential. Focus on main actions.

Wait, the first frame is cymbal, then hand strikes (so action is the striking). Then hand moves to snare. Then darkens.

Also, the snare drum is white, and the toms are dark. But need to mention appearance briefly: large gold cymbal, white snare, dark toms.

But rules say "briefly describe appearance and number". So "a large gold cymbal, a white snare drum, and dark toms".

Motion: hand (with tattoo) strikes cymbal, causing vibration; hand then moves toward snare drum.

Chronological: starts with cymbal, then hand hits it, cymbal vibrates, hand moves to snare, then darkens.

Camera: top-down, no movement.

So putting it all together:

A person's arm with a visible tattoo strikes a large gold cymbal, causing it to vibrate; the arm then moves toward a white snare drum positioned to the right of the cymbal. The scene darkens, with the camera maintaining a static top-down perspective.

Check rules: exclude text (no mention of text), no named characters, concise. Spatial relationship: snare drum to the right of the cymbal? In the frames, the cymbal is in the center, snare is behind or to the right? The video shows the cymbal with the snare and toms in the background. So "a white snare drum positioned behind the cymbal" maybe. Wait, the first frame: cymbal is in foreground, snare and toms are in background. So "a white snare drum behind the cymbal".

Let me check the frames. Frame 0: cymbal in front, snare and toms behind. So when the hand strikes the cymbal, the hand is in front of the cymbal, then moves to the snare (which is behind the cymbal).

So revised: A person's arm with a visible tattoo strikes a large gold cymbal, causing it to vibrate; the arm then moves toward a white snare drum positioned behind the cymbal. The scene darkens, with the camera maintaining a static top-down perspective.

Check if "positioned behind the cymbal" is correct. In the first frame, the cymbal is in the foreground, the snare and toms are in the background. So yes, behind.

Also, the hand moves from striking the cymbal to the snare drum. So motion of the hand: strikes cymbal, then moves to snare.

Also, the cymbal has a logo, but rules say exclude appearance details unless essential. Wait, the cymbal is "large gold", so color and size.

"large gold cymbal" is okay, since color and size are brief.

Also, the drum kit: snare is white, toms are dark (gray or black), but the main subjects are cymbal and the hand.

Let me confirm

The cymbal is vibrating due to being struck by a drumstick, and the drummer's hand is moving to strike it.

The background (drum set and room) is static; no shifting backgrounds or fluid/environmental motions (fire, water, wind) are present.


A small child wearing a blue hat and dark winter clothing shovels snow on a snow-covered path, moving forward while pushing a large black snow shovel, clearing a trail; the child remains centered as they progress, with snow-laden trees and a stone wall visible in the background. The camera follows the child’s movement with a slight pan.

A person wearing winter clothing is actively shoveling snow, moving in a consistent manner with discrete physical motion (shoveling action).

Snowfall is visible, indicating wind-driven environmental motion (ambient_environmental), but static background elements (trees, stone wall) show no uniform shifting.


RAW CAPTION: Got it, let's see. The video starts with a view of a bed with floral-patterned sheets. There's a person under the covers, maybe sleeping. Then the person starts moving, getting out of bed. The camera shifts to show a person in a dark shirt standing beside the bed. The person in bed is pulling up the covers, maybe getting up. Wait, the actions: first, the bed is shown, then the person under the covers moves, the camera pans up a bit, then the person in dark shirt is next to the bed. Then the person in bed is covered up again. Let's structure it chronologically.

Start: bed with floral sheets, person partially covered by light-colored blanket. Then, the person moves, adjusts the blanket, gets up? Wait, the video shows a person in bed (under covers) then the person sits up, covers themselves, then the camera moves to show the person in dark shirt standing nearby. Wait, the sequence:

Frame 0: bed with floral sheets, person under light blanket (maybe sleeping).

Frame 1: same bed, person still under.

Frame 2: person starts to move up (sitting up maybe).

Frame 3: person is sitting up, reaching towards the bed? Or someone else is there.

Wait, the description says: [0.0] bed with floral sheets, person under covers. [1.0] same, then [2.0] person moves, [3.0] a person in dark shirt stands next to bed, and the bed person is under covers, then [4.0] the person in bed pulls the blanket over themselves.

Wait, the exact frames:

0.0: bed with floral-patterned sheets, a person covered by a light-colored blanket.

1.0: similar, maybe the person is moving.

2.0: the person is sitting up in bed, the camera shifts to show the person now sitting.

3.0: a person in a dark shirt stands next to the bed, the bed person is covered with a light blanket (maybe a pillow on them? Wait, no. The description says: "the person under the covers is now sitting up" but the video shows in frame 2-3, the person is sitting, and then another person enters the scene. Wait, the user provided a frame-by-frame description:

[0.0] bed with floral sheets, person under light blanket.

[1.0] same, but maybe slight movement.

[2.0] person sits up, now visible as a person with light hair, covered by blanket.

[3.0] person in dark shirt stands beside the bed, looking at the bed person.

[4.0] the bed person pulls the blanket over themselves.

So chronological order:

- Initially, a person is lying under a light-colored blanket on a bed with red and green floral-patterned sheets.

- The person in bed begins to sit up, adjusting the blanket.

- A second person, wearing a dark shirt, approaches the bed from the right side.

- The first person covers themselves with the blanket while the second person stands nearby.

Now, camera movement: the camera starts static on the bed, then pans slightly to the right as the second person enters, then stays close.

Background: minimal, just the bed and wall.

Appearance: first person under blanket (light blanket, maybe light hair visible when sitting up); second person in dark shirt, standing next to bed.

Spatial relationships: second person is to the right of the bed.

Now, following the rules:

a) Motion: person under blanket sits up, then covers themselves; second person enters from right.

b) Appearance: first person (light hair, under light blanket), second person (dark shirt).

c) Spatial: second person stands next to bed (right side).

d) Camera: starts static, then pans right to show the second person.

e) Background: minimal (bed, wall).

f) Exclude text, names.

So the caption should be:

A person lies under a light-colored blanket on a floral-patterned bed, then sits up and pulls the blanket over themselves. A second person in a dark shirt stands to the right of the bed, observing. The camera begins static and pans slightly right as the second person enters the frame.

Wait, need to be concise. Let's check the rules: concise paragraph, chronological.

Start with the initial state: person under blanket on bed.

Then action: person sits up, adjusts blanket.

Then second person appears, stands by.

Camera movement: starts static, then pans to the right.

Make sure to mention the person in bed pulling the blanket over themselves.

Check if the bed's floral pattern is essential? The rules say minimal background. Maybe just "floral-patterned bed" is enough.

Let me write it out:

At the beginning, a person is covered by a light

A person (solid object) is manipulating a blanket (solid object) through explicit physical actions: lifting, repositioning, and adjusting the blanket on the bed.

The background elements (walls, curtain, radiator) show minimal movement and no fluid/environmental motion (fire, water, smoke, wind) are present. Background remains mostly static with no uniform shifting indicating camera motion.


In a snowy forest, a person in a red jacket, blue gloves, and dark hat approaches another person in a red-and-black plaid jacket and dark hat from the left; the first person throws snow toward the second, making contact with the second person's face. The camera captures the scene from a low, fisheye perspective with minimal background detail.

The person in red is moving their arms (gesturing), which is a discrete, solid object motion. The other person remains relatively stationary.

The background consists of static trees and snow-covered ground with no shifting elements or fluid motion (e.g., wind, water, smoke). No ambient environmental motion is present.


A person in dark clothing jumps a rope on a grassy yard in front of a house with a wooden deck, moving the rope rhythmically up and down as they alternate jumps. The camera remains stationary, capturing the motion from a fixed perspective.

A person is pushing a lawnmower across the grass, which is a solid object moving due to human locomotion.

The background (house, fence, tree) is static with no significant shifts. No fire, water, smoke, or wind is visible (grass is still).


Two musicians (violins) exhibit discrete movements: bowing motions and hand positions altering due to playing. Audiences' heads are static.

The brick wall background remains static across frames, with no signs of shifting or environmental fluid motion (fire, water, smoke, wind).


A hand places a yellow apple onto a blue plate with white floral patterns, then uses a large knife to slice the apple. The hand holds the apple steady while the knife cuts through it, with the camera maintaining a close-up, top-down perspective throughout.

The apple is being cut by a knife, and the knife is moving due to physical force. The hand holding the apple is stationary relative to the apple.

Background is static (blue plate with white patterns) and no fluid/environmental motion (fire, water, wind) present.


RAW CAPTION: Got it, let's see. The video starts with a person on stilts walking down a street. They're wearing a yellow top and black pants. The camera moves with them as they go along. There are other people in the background, like someone sitting on a bench and others walking. The main subject is moving forward, and the camera follows their path. Let me check the rules. Need to be chronological, focus on motion and behavior. So first, the stilt walker starts at the beginning, moves through the street. The background has shops, but minimal description. The camera is following the stilt walker, so it's a pan or tracking shot. Let's structure it: start with the stilt walker's appearance and motion, then mention the background elements briefly, then camera movement.

Wait, the rules say exclude text recognition, so don't mention the store signs. But "Hope" and "Coral" are signs, but rule f says exclude named characters or text, so maybe just say shops. Wait, the rule says "exclude text recognition", so the store names like "Hope" and "Coral" are text, so we shouldn't mention them. So background: shops, people, benches, etc. But need to keep background minimal. So main focus is the stilt walker moving forward. Let's draft:

A person wearing a yellow top and black pants walks on stilts down a pedestrian street, moving forward past green lampposts and storefronts. Other pedestrians are visible in the background, including someone seated on a bench. The camera follows the stilt walker's movement, panning right as they progress along the sidewalk.

Wait, check the chronological order: starts with the person on stilts, then moving, camera follows. The first frame shows them, then they walk, camera tracks. So the caption should start with the initial position, then their motion. Let's make sure:

In the video, a person in a yellow top and black pants walks steadily on stilts along a street, moving from left to right. The camera pans right, following their path, with other pedestrians and storefronts visible in the background.

Wait, need to include the number of people: the main subject is one person, and there are other people in background. The rules say "briefly describe their appearance and number (color, size, orientation)". So for the main subject: one person, yellow top, black pants, wearing stilts. Then background has people, but minimal.

Let me check the example output format. The user wants a concise paragraph. So:

A person in a yellow top and black pants walks on stilts down a sidewalk, moving from left to right. The camera follows their movement, panning right, with other pedestrians and storefronts in the background.

Wait, but the first part of the video shows them standing still maybe? Wait the first frame: [0.0] shows the person standing, then moving. So chronologically: the person starts by standing, then begins walking on stilts. So:

A person wearing a yellow top and black pants begins walking on stilts along a street, moving forward. The camera follows their movement, panning right, as they pass green lampposts and other pedestrians in the background.

Hmm, check the background elements: green lampposts, storefronts, people sitting on bench, people walking. But the rules say "background descriptions minimal unless essential for understanding motion". So maybe just "pedestrians and storefronts" is enough.

Wait, the problem says "Focus primarily on the motion and behavior of main subjects (people/animals/objects) in chronological order."

So main subject: person on stilts. Action: starts standing, then walks forward. Chronological: first standing, then walking. So:

A person in a yellow top and black pants stands on stilts, then begins walking forward along a sidewalk. The camera follows their motion, panning right, with other pedestrians visible in the background.

Wait, but the video starts with them standing, then they start walking. The first frame: they're standing, then next frames they're walking. So the sequence is: initial stance, then movement.

Let's look at the video description:

[0.0] person on stilts standing near a closed shop

[1.1] still standing?

Wait, the video is 5 seconds. The first frame: person standing. Then in frame 1-4, they walk. So chronologically: the person begins by standing, then starts walking, moving along the sidewalk.

So the caption should start with their initial stance, then motion.

So: A person in a yellow top and black pants stands on stilts near a storefront, then begins walking forward along a sidewalk. The camera follows their movement, panning right, with other pedestrians and shops in the background.

Wait, but "stands" then "beg

Discrete solid objects: A person in yellow shirt/black pants walks along the sidewalk (primary subject), with additional pedestrians moving in the background. All motion is due to locomotion.

Background elements (buildings, signs, street infrastructure) show no uniform shifting or fluid motion. No fire, water, or smoke is present; ambient wind/swaying is negligible.


RAW CAPTION: Got it, let's break this down. The video starts with a person in an orange shirt and jeans in a wheelchair at the front of a bus, next to a man in a light blue shirt. The bus has "PRT" on it. The man in blue is behind the wheelchair user. Then the wheelchair user starts moving forward, maybe adjusting position. The man in blue steps up, maybe helping. Wait, in the frames: first frame, both at bus door. Second frame, wheelchair user is moving forward? Wait, the sequence: [0.0] shows wheelchair user seated, man behind. [1.4] wheelchair user still seated. [2.5] wheelchair user starts to move, man steps forward. Wait, the captions should be chronological.

Looking at the frames:

- Frame 0: Man in light blue shirt (standing behind wheelchair user) and wheelchair user in orange shirt, seated at bus front step.
- Frame 1: Similar, but man in blue is still behind.
- Frame 2: Wheelchair user moves forward (maybe adjusting in chair), man in blue steps back.
- Frame 3: Wheelchair user pushes chair, moves towards the bus door, man in blue steps down, closing the ramp?
- Frame 4: Man in blue is now stepping onto the ramp, maybe closing it, wheelchair user has moved out of frame.

Wait, the key motions: the wheelchair user (orange shirt) is at the bus door, then moves forward (maybe getting on?), the man in blue (light shirt) steps back and closes the door ramp.

So chronological order:

1. A man in a light blue shirt stands behind a wheelchair user in an orange shirt, both positioned at the front of a bus (with "PRT" visible).
2. The wheelchair user adjusts position, then moves forward toward the bus.
3. The man in blue steps back, closing the bus door's ramp.
4. The wheelchair user exits the frame, and the man in blue is now standing on the ramp.

Appearance: man in blue (light blue shirt, dark pants), wheelchair user (orange shirt, jeans, seated in wheelchair). Spatial: wheelchair user is at bus door, man behind initially.

Background minimal, but it's an outdoor parking lot with grass and hills.

Camera is stationary, top-down view? Wait, no, the camera angle is side view, probably fixed. No movement mentioned.

So need to capture the motions step by step.

Let me structure:

A man in a light blue shirt and dark pants stands behind a wheelchair user wearing an orange shirt and jeans, both at the front of a bus with a visible "PRT" emblem. The wheelchair user adjusts their position and moves forward, exiting the frame, while the man steps back and closes the bus’s ramp. The scene takes place outdoors near a parking lot with distant vehicles and hills; the camera remains stationary in a side view.

Wait, check rules:

a) Motion and behavior chronological: wheelchair user moves forward, man steps back.

b) Appearance: man (light blue shirt, dark pants), wheelchair user (orange, jeans), bus has PRT.

c) Spatial: wheelchair user at bus door, man behind.

d) Camera perspective: side view, stationary.

e) Background minimal: parking lot, hills, vehicles.

f) Exclude text, names.

So the caption should be concise.

Let's draft:

A man in a light blue shirt and dark pants stands behind a wheelchair user wearing an orange shirt and jeans, both positioned at the front of a bus. The wheelchair user moves forward, exits the frame, and the man steps back to close the bus’s ramp. The scene occurs outdoors in a parking lot with distant vehicles and hills; the camera remains stationary in a side view.

Wait, need to check exact motions. From the frames:

[0] - both at bus door (wheelchair user seated, man behind)
[1] - same, man still behind
[2] - wheelchair user moves forward (maybe adjusting chair), man steps back
[3] - wheelchair user moves away from bus, man steps onto ramp
[4] - man is on ramp, wheelchair user out of frame

So chronological: wheelchair user adjusts position, moves toward bus, then the man steps back and closes the ramp.

Wait, no, the wheelchair user is moving forward, so perhaps the wheelchair user is getting off the bus. Wait, the bus door is open, ramp down. So the wheelchair user is getting off: steps out onto the ground. Wait, but the wheelchair is at the bus door. Maybe the wheelchair user is exiting the bus. Wait, the bus door is open, ramp extended. So the wheelchair user was on the bus, now is getting off. Wait, the initial frames show wheelchair user at the bus door. So the sequence is: wheelchair user is at the bus door (probably

A seated person in an orange shirt stands up and exits the bus, moving laterally across the frame while another person in a white shirt remains stationary near the bus

Background elements (ground, distant hills, parked cars) are stationary; no fluid or wind-driven motion observed (e.g., fire, water, smoke, swaying trees)


A person in a white t-shirt walks from the left toward the center of the frame, stopping to face the camera. The dimly lit room features a lamp and posters on the walls. The camera remains mostly static with slight movement.

A person in a light gray shirt moves toward the camera from the left side of the frame to the center.

The background consists of static wall elements (posters, lamp) and no environmental fluids or motion (e.g., fire, smoke, water).


A man in a light blue shirt and white pants sits, playing a brown stringed instrument. His hands move rhythmically over the strings, strumming and plucking. Metal bowls are arranged around him, positioned to his left, right, and in front. The camera remains stationary, capturing the scene from a fixed angle.

The person playing the guitar exhibits discrete motion: hand movements (strumming, finger placement) on the instrument.

Background elements (wall, decorative items, plants) show no uniform shifting or fluid/environmental motion (no fire, water, smoke, or wind).


A person in dark clothing stands to the left of a whiteboard, using their right hand to interact with the board's surface. Nearby, another individual sits at a desk to the left, typing on a laptop. The standing person slightly adjusts their hand position on the board, while the seated individual continues typing. The camera remains stationary, capturing the scene from a fixed angle.

A person's hand is moving to write/point on the whiteboard, representing discrete solid object motion.

Static background elements (whiteboard, wall, computer) show no uniform shifting; no fire, water, smoke, or wind present.


A person in dark clothing holds a white paper, moving it up and down in front of a brick wall. A television displaying a figure in red attire sits on a wooden dresser in the background. The camera remains close to the person, exhibiting a slight shake throughout the sequence.

A person interacts with a tablet: hands move to touch/tap the screen, and the person's body shifts slightly while holding the device. These are solid, distinct objects exhibiting explicit physical actions (manual manipulation).

The background (brick wall, TV, bed) shows no uniform shifting or fluid motion (e.g., fire, water, smoke, wind). Static elements remain consistent across frames.


A dark-colored stylus moves across a grid of numbered cells, beginning at the top section, shifting downward to a yellow-highlighted cell, then continuing leftward across adjacent cells before stopping near the bottom-left section. The camera maintains a static top-down perspective focused on the grid.

A pencil is moving across the Sudoku grid, indicating a solid object interacting with the puzzle surface due to human manipulation.

The Sudoku grid background is static; no fluid/environmental motion (fire, water, wind) is present. Background elements (grid lines, numbers) do not shift uniformly.


RAW CAPTION: Got it, let's break this down. The video shows people building a sandcastle on the beach. First, there's a group: a shirtless boy in dark shorts is kneeling near a sand structure. Then another person, maybe a girl in white, is working on the sand. Wait, no, in the sequence, let's check each frame.

Frame 0: Two kids, one shirtless (dark shorts, kneeling), another in white shorts (standing, maybe building). There's a sand structure with a central block and radiating parts.

Frame 1: The first kid is still there, second kid (in white) is moving, maybe adding sand. Wait, the main subjects are multiple kids. Let's list the actions chronologically.

Starting with the initial scene: a group of children on the beach building a sandcastle. The sandcastle has a central rectangular block with a star-like base. First, a boy in dark shorts is kneeling, working on the sand. Then another child (maybe a girl, white shorts) is near the structure. Then, more kids join: one in orange cap, white shorts, sitting near the structure. Another kid (shirtless, maybe) comes in from the left. Wait, the video shows the kids moving around, adding sand, working on the structure.

So chronologically: Kids are building a sandcastle on the beach. Initially, a shirtless boy in dark shorts kneels near the structure. Another child in light clothing stands near it, adding sand. Then, a boy in an orange cap sits down to work on the sand. A shirtless man (or older kid) joins from the left, sitting and participating. The background is the beach with the ocean and other people walking.

Need to describe motion: they are adding sand, adjusting the structure. The camera is stationary, top-down view, maybe slight pan? Wait, the camera perspective: the video seems to be a fixed shot, but maybe slight movement. The rules say describe camera perspective at the end.

Let's structure the caption:

- Main subjects: multiple children (boys/girls) building sandcastle.

- Chronological actions: First, a shirtless boy in dark shorts kneels and works on the sand structure. Then another child in light clothing (white shorts) adds sand. Next, a boy in an orange cap sits to work on the structure. A shirtless person (maybe older) joins from the left, sits, and assists. The sandcastle is a central block with radiating parts. Background: beach, ocean, minimal.

- Camera: static top-down, no significant movement.

Check rules: focus on motion, behavior. Number of people: multiple (at least three or four). Appearance: shirtless, dark shorts, white shorts, orange cap. Spatial relationships: near the sand structure, working on it. Background minimal.

Putting it all together concisely:

"Multiple children build a sandcastle on the beach: a shirtless boy in dark shorts kneels near the structure, another in white shorts adds sand, a boy in an orange cap sits to work, and a shirtless person joins from the left to assist. The sandcastle features a central block with radiating sections. The camera remains static in a top-down view."

Wait, check if that's chronological. The video sequence starts with some kids, then more join. Need to order the actions as they happen in the video.

Looking at the frames:

0. Two kids: one kneeling (dark shorts), one standing (white shorts), building.

1. The standing kid moves, the kneeling one continues.

2. The kneeling kid is still there, another kid in white shorts appears (maybe the first one moved).

3. A boy in orange cap sits down, so the action sequence is adding people.

So the chronological order is: initially, two children (shirtless in dark shorts, white shorts) build the sandcastle. Then, a boy in an orange cap joins and sits to work. A shirtless person enters from the left and sits. The camera is top-down, stationary.

So rephrasing:

"Several children build a sandcastle on the beach. A shirtless boy in dark shorts kneels near the structure, working with sand. A child in white shorts adds sand nearby. Then, a boy in an orange cap sits to continue building. A shirtless person joins from the left and sits to assist. The sandcastle has a central rectangular block with radiating sand sections. The camera maintains a static top-down perspective."

Check for rules: no text, no named characters, concise, chronological. Background minimal (just beach/ocean mentioned as minimal). Spatial: near the structure. Motion: adding sand, sitting, working.

Yes, that should work.
</think>

<caption_output>Several children build a sandcastle on the beach: a shirtless boy in dark shorts kneels near the structure,

Multiple discrete solid objects (people) are moving: one person sits and shapes the sandcastle base, another stands and uses a shovel to add sand, and a third person (wearing a cap) moves around to assist. Their motions involve physical interaction with sand and locomotion.

The background features ocean waves (fluid motion) but they are not dominant; the primary focus is on people building sandcastles. Static background elements (e.g., distant rocks, shore) show no uniform shifting, and ambient environmental motion is minimal and secondary.


A person in a gray shirt manipulates a white object on a pink cloth atop a wooden counter, with a yellow tray, knife, and blender visible in the background. The camera shifts to a closer view of the person’s hands, then pans upward to show them adjusting the white object near a row of containers filled with liquid. The scene returns to the counter, where the person continues handling the object. The camera moves between close-up shots of the hands and wider views of the kitchen setup, maintaining a slight shake throughout.

A person's hands manipulate a white onion (lifting, positioning), handle raw meat on a cutting board, and interact with kitchen items (e.g., blender, containers) through deliberate physical actions.

Background elements (yellow cutting board, blender, wooden cabinets) show no uniform shifting or fluid motion (fire/water/smoke/wind); no dominant environmental fluid dynamics observed.


A person in black extends their arm to hand a small bottle to another person in pink; the pink-shirted individual receives the bottle and places it onto a purple square on a white paper. The table holds colorful art items including a green square with a pig and a yellow patterned square. The camera maintains a top-down perspective throughout.

Discrete solid objects (hands, bottles) move due to explicit physical interactions (passing items, handling objects on the table).

No shifting background elements observed (tablecloth and objects remain static). No fire, water, smoke, or wind motion detected.


A hand holding a blue pencil inserts it into a white and gray pencil sharpener positioned on a wooden table. The hand moves the pencil up and down within the sharpener, with a blue pen lying on the table to the right and a blue vase visible in the background. The camera maintains a static top-down perspective throughout the sequence.

A hand is moving a stick into and out of a cylindrical container.

The background (wall, plant) is stationary. No fluid motion or environmental effects observed.


A pair of hands manipulates a black game controller while playing a game on a tablet, positioned on a stand. The scene transitions to the same hands using a controller with a smartphone displaying the game, held in front of a larger monitor showing identical gameplay. The hands actively move the controller throughout, with the smartphone and tablet held in front of their respective screens. Both scenes are captured from a top-down perspective.

The hands (person) and the tablet/controller are moving due to manual manipulation. The movement is discrete and can be tracked as a bounding box.

The background (table and wooden edge) is static with no uniform shifting. No ambient environmental elements (fire, water, smoke) are present.


In a classroom with blue curtains and blackboards, a woman in a yellow shirt, light gray cardigan, and black pants claps while holding an object and then raises her hand to her head. A man in a yellow polo shirt and jeans stands near a microphone holding papers. The camera remains static throughout.

Two solid objects (people) are moving: the man in yellow adjusts his book and body position, while the woman in beige adjusts her hair.

The background elements (blue curtains, blackboard, desk) show no uniform shifting or environmental fluid motion. No fire, water, smoke, or wind is present.


A child wearing a blue hooded jacket and dark pants slides down a yellow playground slide, starting from the top and landing on a snow-covered ground. The camera remains fixed at the base of the slide, capturing the descent without movement.

A child in winter clothing slides down a yellow playground slide, moving from top to bottom due to gravitational force. The motion is tracked as a distinct solid object (bounding box) with clear displacement.

Background elements (fence, house, trees) show no uniform shifting; snow on ground is static. No fire, water, smoke, or significant wind-induced motion observed.


A pair of adult hands with visible veins manipulates two metallic wrenches on a wooden workbench. The left hand holds a socket wrench while the right hand adjusts an adjustable wrench, positioning it around the socket. In the background, a tray of additional wrenches and a red cord rest on the surface. The camera maintains a static top-down perspective throughout.

Hands manipulating a metal object and wrench; discrete solid objects (metal part, wrench) moving due to manual force application.

No shifting background elements (tool rack, red cable remain static); no fluid/environmental motion (fire, water, smoke, wind) present.


A person wearing a black shirt and cap stands in front of a wall with printed materials, slightly adjusting their posture and head position. They raise both hands to their face, fingers interlaced, while the camera remains steady with minor shake. The background includes a wooden door frame and magazine-style posters, with no additional objects or text emphasized.

A person wearing a black cap and shirt moves their head and hands, bringing a banana to their mouth for consumption. A secondary head briefly enters the frame but does not dominate motion.

The background (poster-covered wall and wooden panel) shows no uniform shift or fluid motion. No fire, water, smoke, or wind-driven environmental effects are present.


A person wearing a blue and white striped shirt and dark cap sits at an organ, actively pressing the keys with both hands. The individual remains seated while playing, their hands moving rhythmically across the keyboard. The camera maintains a frontal view with slight shake throughout the sequence, focusing on the musician's interaction with the instrument.

A person's hands are moving discretely on a keyboard, interacting with keys through physical motion (playing music).

The background features a static sign ('PRAISE OUR WHEELS') and stationary elements (wall, furniture). No fluid motion (fire, water, smoke) or environmental wind effects are present.


A person with black-and-white striped sleeves manipulates a white rectangular wrapped object on a white patterned wrapping paper sheet. They adjust the object’s position, place it down, smooth the paper around it, and fold the top edge over. A tape dispenser sits to the left, with scissors appearing later, while spools of thread rest to the right. The camera remains in a static top-down view.

Hands manipulate a solid sheet-like object (paper/plastic), causing it to move via physical forces (lifting, placing, adjusting).

Background elements (patterned mat) show no uniform shifting or fluid motion; no fire, water, or smoke present.


A baby wearing a green and orange patterned bib sits in a high chair, facing slightly left. An adult’s hand holds a spoon with food, moving it toward the baby’s mouth; the baby opens their mouth to eat, then raises their hand to touch the spoon. The background shows large windows with greenery outside. The camera remains close-up and steady.

The baby (discrete solid object) moves their head and hands while eating, and an adult's hand moves a spoon towards the baby; both actions involve explicit physical interaction and distinct object motion.

The background through the windows shows static trees and a stable view; no fluid motion (fire, water, smoke) or uniform background shifting indicating environmental motion.


A bald dealer in a white shirt and black vest deals cards to players seated around a blue table; players including a woman in a leopard print top and a woman in a black hoodie observe the dealer's actions as he moves his hands to distribute cards. The camera pans slightly right, capturing the table interaction with a boxing ring visible in the background.

The dealer (in the white vest) and players are making hand movements: the dealer shuffles and deals cards, and players are placing bets and interacting with the table.

The background (walls, tables, distant figures) is static and shows no fluid motion or environmental effects. There are no signs of fire, water, or wind.


RAW CAPTION: Got it, let's break down the video. First, the main subjects are a group of people around a table. Let's see: in the first frame, there's a person in red, a person in pink, and a child in blue. Then the camera pans or shifts to show more people. Wait, the video shows four people: a woman in red, a woman in pink, a child in blue, and a man in a striped shirt. They're all around a blue table with what looks like a board game, maybe dominoes or tiles.

Chronicling the motion: the camera starts showing the group from one angle, then moves to show different parts of the group. The people are interacting with the game pieces. The woman in pink is handling tiles, the child is doing the same, the woman in red is also reaching towards the table, and the man in stripes is moving a piece. The table is central, with tiles spread out.

Spatial relationships: they're seated around the table. The background has a green cloth, but we need minimal background. Camera movement: it seems like a pan, shifting to show different angles of the group.

Now, structuring the caption. Focus on motion: first, the group is around the table. Then camera moves to show more people. Describe their actions: placing or moving game pieces. Mention appearances briefly: colors of clothes (red, pink floral, blue shirt, striped shirt). Number: four people.

Wait, check the frames: first frame has three, then second shows four. So four people total. The camera pans left or shifts to include more people.

So the caption should be chronological. Start with the initial scene, then the camera movement.

"Four people gather around a blue table with a board game; a woman in a red shirt, a woman in a pink floral shirt, a child in a blue shirt, and a man in a striped shirt engage with game pieces. The camera pans left to capture all participants as they place and arrange tiles, with the table’s central position and light blue surface visible. Background elements are minimal, focusing on the group's interaction."

Wait, check rules: concise, chronological, mention motion. Let's make it more concise.

"Four individuals—two adults and two children—sit around a light blue board game table; a woman in red, a woman in pink floral, a child in blue, and a man in striped shirt interact with game pieces. The camera shifts left, revealing all participants as they move tiles, maintaining focus on the table's central layout with minimal background detail."

Wait, check if "two adults and two children" is correct? The video shows four people: two women, one child, one man. So maybe "three people initially, then a fourth joins" but the first frame shows three, then the next shows four. So better to say "four people" from the start. The first frame has three (red, pink, child), then the camera shifts to show the man in stripes. So the video shows four people.

So: "Four people sit around a light blue board game table; a woman in a red shirt, a woman in a pink floral shirt, a child in a blue shirt, and a man in a striped shirt handle game pieces. The camera pans left to capture all participants arranging tiles on the table, with the group centered and the table's central layout visible."

Check rules: chronological (start with initial view, then camera movement). Mention motion (arranging tiles, camera pans). Appearances: colors, sizes (they are seated, so size relative to table). Spatial: around the table. Camera perspective: slight pan left, top-down? Wait, the video is a standard shot, not top-down. The camera angle is eye-level, shifting left.

Also, rule d: camera perspective and movement. So "the camera shifts left to include all participants" or "camera pans left".

Let me try again:

"Four people—two women, one child, and one man—gather around a blue board game table; a woman in red, a woman in pink floral, a child in blue, and a man in striped shirt interact with game pieces. The camera pans left to capture the group as they place and arrange tiles, with the table’s central layout and minimal background visible."

Check if concise. Maybe "Two women, one child, and one man sit around a blue board game table; a woman in red, a woman in pink floral, a child in blue, and a man in striped shirt handle game pieces. The camera pans left to reveal all participants arranging tiles on the table, maintaining focus on the central layout."

But need to make sure it's chronological. The video starts with a view of some people, then the camera shifts to show all. So the sequence is: initial view (part of the group),

People (solid objects) move hands to manipulate game tiles (discrete objects) through physical actions like picking up and arranging tiles.

Background elements (green curtain, wall) remain static with no uniform shifting or fluid motion; no fire, water, smoke, or wind visible.


A black screen transitions to a dance studio where a woman in a purple tank top and black leggings walks toward the camera, then begins dancing with arm and leg movements, turning in place. The background features a beige wall, a door, and studio equipment. The camera remains stationary throughout.

A single human subject is moving: walking, turning, and performing controlled arm gestures in a dance-like manner. The subject's motion is clearly discrete and solid, with consistent bounding box tracking.

The background (beige walls, wooden floor, static furniture) shows no shifting or fluid motion. Initial blurriness is due to focus adjustment, not camera movement or environmental elements like wind or water. No fire, smoke, or waves present.


In a lively indoor party, a young girl in a black-and-white polka dot dress with a blue bow dances alongside a boy in a light blue shirt, white pants, and a colorful party hat. They move their arms and bodies rhythmically, the girl adjusting her hat as they sway. The boy turns to face the camera, smiling, while the camera follows their motion with a slight pan, shifting focus to him as he becomes the central figure. Background elements include other children and adults, but details remain minimal.

discrete_object_physics | ambient_environmental | camera_motion | ego_motion | static

Briefly describe what discrete, solid objects are moving.

Briefly check for shifting backgrounds or fluid/environmental motion (fire, water, wind).


A person wearing a black shirt, black shorts, and bright pink shoes juggles a red and white ball in a room with light walls and a marble floor; they move the ball with their feet, keeping it airborne as it travels in front of them, while a couch is visible to the right. The camera remains stationary.

The person (wearing black shirt and shorts, pink shoes) is dribbling a basketball. The ball is moving due to the person's foot movements and bouncing on the ground. Both are solid, distinct objects with clear physics-based motion.

No fluid motion (fire, water, smoke, wind) observed. Background (walls and floor) is stationary and does not shift uniformly, indicating no ambient environmental motion.


A rectangular cake on a white plate is decorated by a person wearing a white apron. The person drizzles red icing along the top edges, allowing it to drip down the sides, then places a red strawberry on top of the cake. The camera maintains a close-up perspective on the cake and decorating actions, with the kitchen counter partially visible in the background.

The person's hands move to pour red icing and place cherries on the cake. The cherries are solid discrete objects being placed, and the hands (solid objects) perform the action. The icing is a liquid but is applied by the hands and not moving independently as a fluid.

The background (kitchen counter) is static with no shifting or environmental fluid motion (fire, water, smoke, wind). No ambient environmental motion present.


In an indoor racquetball court, a player in a white shirt and shorts serves the ball toward a player in a red shirt and white shorts. The red-shirted player moves forward, swings their racquet, and returns the ball. A third individual in a light green shirt stands to the left near the glass wall, holding a racquet and observing. The camera remains stationary, capturing the action from a fixed position outside the court walls.

Two players (in red and white attire) and a squash ball are moving; players perform locomotion and racket swings, while the ball is propelled through collisions with rackets and walls.

Static background elements (walls, floor, glass panels) show no uniform shifting; no fire, water, smoke, or wind motion detected.


A person wearing a black cap and dark shirt begins with hands near their face, then raises a small object between their fingers to display it toward the camera, followed by lowering their hands. The background features trees and a building. The camera maintains a close-up perspective with slight movement.

A single person (man in black cap and shirt) is the discrete object moving. His hands are actively gesturing—covering his face, then moving to display an object (possibly a phone), and continuing to make deliberate hand motions.

The background consists of static trees and a building with no discernible fluid motion (e.g., water, fire, smoke) or wind-driven sway. Trees are still, indicating no dominant ambient environmental motion.


A person wearing a gray hoodie and dark pants walks through a hallway, passing a doorway leading to a room with a staircase. The person then enters a bedroom with a bed covered in a green and pink blanket, jumps onto the bed, and stands up. The camera shifts from the hallway to the bedroom, following the person's movement. The camera perspective is at a low angle initially, then moves to capture the bedroom scene.

A person (discrete solid object) moves down stairs, crawls on the floor, and walks across a bedroom; their motion is driven by explicit physical locomotion (walking, crawling).

No shifting background elements or fluid/environmental motion detected; walls, railings, and bed decor remain static throughout the video frames.


A person in a white t-shirt stands in a room, initially holding a rectangular board game box with visible text on its front. They lift the box upward, then rotate it to display its sides while holding it with both hands. The room features a wooden door and patterned wall trim in the background. The camera remains stationary throughout, capturing the action from a fixed angle.

A person moves discrete solid objects: lifting a chair, handling a blanket, and carrying a box. These actions involve physical forces (lifting, carrying) and are tracked via bounding box.

The background elements (walls, door, framed picture) remain stationary throughout the frames, showing no shifting or fluid motion. No fire, water, or smoke is present.


A person wearing a gray hoodie, red shorts with green trim, white socks, and black shoes holds a hockey stick and moves from the left side of the frame toward a red-framed goal. They position themselves in front of the goal, swing the stick, and strike a ball into the net. The camera remains stationary, capturing the action from a fixed perspective on a concrete surface with scattered leaves and a staircase in the background.

A person wearing shorts and a hoodie is actively moving across the frame, holding a hockey stick, exhibiting locomotion and physical manipulation of the stick.

Background elements (building, stairs, fence) show no uniform shifting or environmental fluid motion (fire, water, smoke, wind); all background features remain static relative to the frame.


A person wearing a maroon polo shirt and dark cap is inside a spacecraft environment with visible equipment and wires. Initially, they raise both hands, then gesture with one hand, raise their arms, and continue moving their hands while speaking. The camera remains stationary, capturing the individual from a fixed angle.

The astronaut (a discrete solid object) is moving his arms and body in microgravity, demonstrating deliberate locomotion and gestures without external forces.

The background (spacecraft interior with equipment, cables, and panels) remains static with no uniform shifting or environmental effects (e.g., fire, water, smoke, wind).


RAW CAPTION: Got it, let's tackle this. The video starts with a person holding a baby bottle. The bottle has teal handles and a spout. The hands are manipulating the bottle, showing the handles and spout. Then, the hands twist the spout, maybe to demonstrate it's flexible. After that, there's a shot of two bottles, one teal and one pink, on a surface. The main subject is the bottle being held, then the spout being twisted, then another bottle shown. Need to describe in chronological order.

First, the person holds the teal baby bottle with both hands, displaying the handles and spout. Then, they rotate the bottle to show the spout, twisting it slightly. Next, the scene shifts to show two bottles side by side (teal and pink) on a surface. The camera starts close-up on the bottle, then moves to a wider shot for the two bottles. Background is minimal, like a countertop. Make sure to mention colors, motion: holding, twisting, showing another bottle. Check rules: no text recognition, focus on motion. So the caption should be concise.

Let's structure it: Person holds teal baby bottle with teal handles and spout, then twists spout, then camera shows another pink bottle alongside. Wait, the video sequence: first, hands holding the teal bottle (close-up), then they twist the spout (so motion of twisting), then cuts to two bottles (teal and pink) on a surface. So chronological: hands hold bottle, rotate to show spout, twist spout, then scene changes to two bottles.

Wait the frames: frame 0-2: hands hold teal bottle, text appears but we don't include text. Then frame 3-4: hands twist spout. Then frame 5: two bottles (teal and pink). So the motion is holding, twisting, then showing another bottle. So the caption should be: A person holds a teal baby bottle with attached teal handles and spout, then twists the spout. The scene transitions to show the teal bottle and a pink bottle side by side on a surface. Camera starts close-up on the bottle, then shifts to a wider view of both bottles.

Wait, rules say "keep background descriptions minimal". The background is a countertop, maybe, but minimal. So focus on the bottle and hands. Let's check the rules again: a) motion and behavior in chronological order. So first, hands hold bottle (showing handles and spout), then twist the spout, then another bottle is shown. So the caption would be: A person holds a teal baby bottle with flexible silicone handles and spout, rotating it to display the spout, then twists the spout. The scene shifts to show the teal bottle and a pink bottle placed together on a surface. The camera maintains a close-up on the bottle during the first part, then transitions to a wider shot of the two bottles.

Wait, but rule f says exclude text recognition, so even though the text says "handles and spout are made of soft silicone", we don't mention that. So the appearance: teal bottle, handles, spout. So "a teal baby bottle with teal handles and spout" (since the text says handles and spout are silicone, but we can mention the color and that they're part of the bottle). So the motion: hands holding, rotating to show the spout, twisting the spout, then showing another pink bottle.

Let me structure:

- Initial frame: hands hold teal bottle (teal handles and spout)
- Then hands twist the spout (motion of twisting)
- Then cuts to two bottles (teal and pink) on a surface.

So the caption should be:

A person holds a teal baby bottle with teal handles and spout, rotating it to display the spout, then twists the spout. The scene transitions to show the teal bottle and a pink bottle placed side by side on a surface. The camera starts with a close-up of the bottle and shifts to a wider view of both bottles.

Check rules: no text, focus on motion. Yes. Let's see if it's concise. Maybe shorten:

A person holds a teal baby bottle with teal handles and spout, rotating it then twisting the spout; the scene shifts to show the teal bottle and a pink bottle side by side. Camera begins close-up and transitions to a wider shot.

Yes. That's concise. Let's check the output format. Must be in <caption_output> tags.
</think>

<caption_output>A person holds a teal baby bottle with teal handles and spout, rotating it to display the spout and then twisting the spout. The scene transitions to show the teal bottle and a pink bottle placed side by side on a surface. The camera starts with a close-up of the bottle and shifts to a wider view of both

A pair of hands manipulates a solid baby bottle with flexible silicone sleeves; the hands move the bottle in controlled motions (rotating, twisting the cap), demonstrating discrete physical interactions between solid objects.

The background (table surface and indistinct surroundings) shows no shifting or fluid motion; it remains static throughout the clip, indicating no environmental or ambient elements dominating the scene.


RAW CAPTION: Got it, let's break this down. First, identify the main subject. It's a person lifting weights. Let's go through the timestamps.

At [0.0], the person is standing with a barbell overhead. They're wearing a sleeveless top (black with red/yellow) and black pants with yellow stripes. Then in [1.3], they're still holding it overhead. Next, [2.5] shows them bending down to lower the barbell. Then [3.6] they're standing up again, maybe dropping it? Wait, no, the video shows them lowering the barbell to the ground. Then [4.7], they're walking away from the barbell, which is on the floor.

Background: there's another person sitting (maybe watching), a trash can, some clothes. But rule e says minimal background unless essential. So mention the other person sitting in the background.

Spatial relationships: the main subject is in the foreground. The other person is sitting against the wall, maybe to the right.

Camera: the video has a slight shake, and it's a fixed camera? Wait, the description says "camera perspective and movement". The video might be shaky, so mention slight shake. Camera is stationary or moving? The captions show the camera stays in the same position, but the video might have some shake.

Let's structure chronologically:

- Starts with person lifting barbell overhead (standing, weight on shoulders)
- Then lowers it to their waist, then to the floor
- Then walks away from the barbell.

Appearance: main subject is a person (gender not specified, but maybe female based on clothing), sleeveless top (black with red/yellow), black pants with yellow stripes. Barbell is large, dark.

Other person: sitting in background, wearing dark clothes, watching.

Camera: slight shake, fixed perspective (maybe handheld but not moving much).

Now, check rules:

a) Motion in chronological order: lift, lower, drop, walk away.

b) Appearance: main subject's clothes, barbell.

c) Spatial: other person in background to the right.

d) Camera: slight shake.

e) Background minimal: just mention the other person and trash can briefly.

f) Exclude text, names, etc.

Let's draft:

A person wearing a black sleeveless top with red and yellow accents and black pants with yellow stripes lifts a large dark barbell overhead. They then bend forward, lowering the barbell to the ground. Standing upright, they walk away from the barbell, which lies on the floor. In the background, a seated individual observes. The camera captures the scene with a slight shake.

Wait, check the steps:

0.0: holds barbell overhead (standing)

1.3: still holding overhead

2.5: bending to lower (so moving from standing to bending down)

3.6: standing up? Wait, no, the video says [3.6] they walk away? Wait the timestamps:

[0.0] to [1.3]: lifting, holding

[2.5]: bending down (to lower the barbell)

[3.6]: the person is standing but moving? Wait the description says "bends forward to lower the barbell, then stands up and walks away".

Wait the video steps:

Start: person lifts barbell overhead (standing)

Then they lower it (bend down), then maybe the barbell is dropped, then they walk away.

So:

A person in a black sleeveless top with red/yellow details and black pants with yellow stripes holds a large barbell overhead. They bend forward, lowering the barbell to the ground. After releasing it, they walk away from the barbell. In the background, another individual sits against the wall. The camera remains relatively stationary with a slight shake.

Wait, check the video frames:

Frame 0: standing with barbell overhead.

Frame 1: still holding overhead.

Frame 2: bending down (lowering the barbell).

Frame 3: standing upright? No, frame 3 says they're standing, but maybe the barbell is on the ground now?

Wait the user's input:

<0.3> shows the person holding the barbell high up.

<1.4> still holding high.

<2.5> bending down (so barbell coming down).

<3.6> the person is standing (maybe barbell is on the floor now?), then <4.7> they walk away.

Wait the caption should be in chronological order.

Let me re-read the user's provided video frames:

[0.0] person holding barbell overhead.

[1.3] same.

[2.5] person bends forward to lower barbell.

[3.6] person is standing, maybe after dropping, then moving?

[4.7] person is walking away

A lifter (solid object) moves through a series of weightlifting motions (lifting, dropping, walking). The barbell (solid object) moves in coordination with the lifter, under explicit physical forces.

The background elements (walls, floor, trash can, sitting people) are stationary and show no signs of shifting or fluid environmental motion (e.g., fire, water, smoke).


A person wearing dark pants and a light-colored jacket interacts with a white plastic chair on dark asphalt. The camera begins focused on the person’s back, then shifts downward to capture their hand and feet on the ground near a small object. The person lifts the chair, revealing its legs and their legs. The camera moves shakily, panning around the scene with minimal background detail.

A person (legs and feet) moves on the ground, manipulating a white plastic chair. The person's locomotion and the chair's lifting/translation are distinct solid-object motions.

The ground and surrounding environment show minimal uniform shifting; no fire, water, or wind-dominated fluid motion observed. Background elements (e.g., ground) remain largely static.


A woman in a black cap and black jacket holds a child while another woman in a light blue jacket stands nearby; a blonde child in a blue jacket raises both arms toward a black horse positioned to their right. The child’s arms extend upward toward the horse as the group remains close to wooden steps. The camera captures the scene with a slight shake, maintaining a close-up perspective on the interaction.

The horse is being petted by a child and shows minor head movements. People (including a child in blue and adults) are moving their arms and bodies as they interact with the horse and each other.

The background (wooden steps and floor) is static; no signs of fire, water, smoke, or wind. Ambient environmental motion is absent.


...<caption_output>  Final caption:  A person in a white T-shirt with a blue emblem sits at a table, placing a small object on the table surface with their right hand and maneuvering it while holding a pen in their left hand. The background features a blue mat and wooden chair, but the focus is on the hand movements. The camera remains stationary. </think>  <caption_output>A person in a white T-shirt with a blue emblem sits at a table, placing a small object on the table surface with their right hand and maneuvering it while holding a pen in their left hand. The background features a blue mat and wooden chair, but the focus is on the hand movements. The camera remains stationary.

Person's hands manipulate a small ball and a pen on the table; ball is rolled back-and-forth by hand motion.

Static background elements (blue mat, blue container, black bag) show no shifting or fluid motion; no fire, water, smoke, or wind present.


RAW CAPTION: Got it, let's break this down. The video starts with two people in a pool. First, they're both in the water, maybe holding onto something or each other. Then one person moves forward, and the other gets splashed. Wait, the first frame shows two people, then the second frame one is behind, the third the front one is in front, then the next frames show the person moving through the water, creating splashes. So the main subjects are two individuals. Let's note their actions: initially together, then one moves ahead, the other might be pushing or being pushed, leading to a splash. Then the person in front continues swimming, making waves. Background has palm trees and a building, but keep it minimal. Camera movement: looks like it's following the person, maybe a bit shaky. Let's structure chronologically.

Start: Two people in a pool, water splashing. Then one person (front) moves, the other is behind. The front person swims, causing splashes. The camera follows the front person as they move through the water. Background is pool area with palm trees, but don't elaborate. Keep it concise.

Check rules: focus on motion and behavior. Number: two people. Appearance: maybe not necessary, but "two individuals" is fine. Spatial: one in front, one behind initially, then front person moves ahead. Camera: follows the main subject, slight shake maybe.

Let's draft:

"Two individuals are in a swimming pool; the person in front swims forward while the other trails behind, causing splashes. The front individual continues moving through the water, generating ripples and splashes, with the camera following closely and slightly shaking. Background features palm trees and a structure but is minimal."

Wait, need to be concise. Let's check the frames:

Frame 0: two people in pool, arms up.

Frame 1: one in front, one behind.

Frame 2: the front one is now more forward, the other is behind.

Frame 3: the front one is swimming, water splashing around.

Frame 4: the front one is in front, water splashing.

So the sequence is: two people start in the pool, then the person in front moves ahead, creating splashes as they swim. The camera follows that person. Background: pool, palm trees, building.

Now, write a paragraph in chronological order.

"Two people are in a swimming pool; initially, one is in front of the other, both in the water. The front person swims forward, creating splashes, while the second person trails behind. The camera follows the front individual as they move through the water, with minimal background elements visible."

Wait, but the second person might be moving too. Let's check: in frame 0, both are there. Frame 1, the front person is moving ahead, maybe the second is pushed or moving with. Then frame 2: front person is more ahead, then frame 3: the front person is swimming, splashing.

Wait, the key motion is the front person swimming forward, causing splashes. The other person is initially there but moves as the front person does.

But the rules say focus on main subjects' motion and behavior. So:

"In a swimming pool, two individuals are initially together; the front person swims ahead, creating splashes, while the second person follows. The camera follows the front swimmer, with the background showing palm trees and a structure."

Need to be concise. Let's count the frames:

Frame 0: two people in pool, arms up.

Frame 1: front person is in front, back person is behind.

Frame 2: front person is moving forward, water splashing.

Frame 3: front person is splashing, water around.

So chronological order:

Start with two people in the pool. Then the front person swims forward, generating splashes. The second person is behind, moving as well. Camera follows the front person.

So the caption:

"Two people are in a swimming pool; the person in front swims forward, creating splashes, while the second person follows behind. The camera tracks the front swimmer's motion, maintaining a close perspective."

Wait, but does the second person stay behind? In frame 0, both are there. Then frame 1, front is in front. Frame 2, front is moving, the other is behind. So yes, the second person is trailing.

But the video is short, so let's make sure it's chronological.

Alternative:

"Two individuals are in a pool. The person in front swims ahead, causing splashes, while the other follows. The camera follows the front swimmer, capturing their motion through the water."

That's concise. Let's check if it meets all rules.

a) Motion: swimming forward, splashes.

b) Number: two individuals. Appearance: not

Two people (an adult and a child) are swimming in the pool. The child is actively moving their arms and legs, causing splashes. The adult is supporting the child. Both are moving due to their own locomotion in the water.

The background (mountains, trees) is static. Water splashing in the pool is present but is a result of the people's movement, not the dominant motion. The water movement is not the primary subject.


A hand holds a rod attached to a circular metal detector with a black handle, moving it across sandy ground with sparse grass; a green object rests to the left. The hand adjusts the detector's position, scanning the area, while a bare foot is visible nearby. The camera maintains a top-down perspective with slight shifts to follow the detector's movement.

A metal detector (solid object) is actively moved by a hand across the ground. The detector's motion is driven by human interaction (searching for metallic objects), with the detector's position and orientation changing as it scans the surface.

The concrete ground and sparse grass exhibit no uniform shifting or fluid environmental motion (e.g., fire, water, smoke). Static elements like the ground surface remain consistent across frames without environmental distortion.