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eval/shard3/two_tier_trapdoor_cascade_task/two_tier_trapdoor_cascade_0001/prompt.txt

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+A ball rests on an upper platform that has a hinged trapdoor. The trapdoor opens and the ball falls through onto a lower platform below. That lower platform then opens its own trapdoor, and the ball falls again down to the floor. Each fall accelerates under gravity; the ball is never left suspended after a trapdoor opens.

eval/shard3/venetian_blinds_task/venetian_blinds_0000/prompt.txt

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+Two objects sit on a table. In front of them hangs a set of horizontal venetian-blind slats, initially edge-on (open) so the objects are visible between them. The slats all rotate to lie flat and fully occlude the objects, hold, then rotate back to edge-on, revealing the same two objects unchanged.

eval/shard3/venetian_blinds_task/venetian_blinds_0001/prompt.txt

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+Two objects sit on a table. In front of them hangs a set of horizontal venetian-blind slats, initially edge-on (open) so the objects are visible between them. The slats all rotate to lie flat and fully occlude the objects, hold, then rotate back to edge-on, revealing the same two objects unchanged.

eval/shard3/width_slot_wall_two_balls_task/width_slot_wall_two_balls_0000/prompt.txt

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+A standing wall blocks a flat track, but it has a narrow vertical slot cut through its middle. A narrow ball rolls up and passes cleanly through the slot to the far side; a wide ball, too big for the slot, is stopped by the wall and comes to rest against it. Neither ball is ever suspended.

eval/shard3/width_slot_wall_two_balls_task/width_slot_wall_two_balls_0001/prompt.txt

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+A standing wall blocks a flat track, but it has a narrow vertical slot cut through its middle. A narrow ball rolls up and passes cleanly through the slot to the far side; a wide ball, too big for the slot, is stopped by the wall and comes to rest against it. Neither ball is ever suspended.

eval/shard4/banked_quarter_pipe_redirect_task/banked_quarter_pipe_redirect_0000/prompt.txt

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+A ball rolls toward a curved banked wall (a quarter-pipe). Instead of stopping, it is smoothly redirected through ninety degrees and rolls away along a new perpendicular lane, conserving most of its speed. It is deflected, not stopped or passed through.

eval/shard4/banked_quarter_pipe_redirect_task/banked_quarter_pipe_redirect_0001/prompt.txt

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+A ball rolls toward a curved banked wall (a quarter-pipe). Instead of stopping, it is smoothly redirected through ninety degrees and rolls away along a new perpendicular lane, conserving most of its speed. It is deflected, not stopped or passed through.

eval/shard4/bifold_concertina_doors_task/bifold_concertina_doors_0000/prompt.txt

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+Two objects sit on a table. A pair of bi-fold doors, hinged in the middle, unfold from the left and right until they meet and fully cover the objects, hold, then fold back open — revealing the same two objects, unchanged.

eval/shard4/bifold_concertina_doors_task/bifold_concertina_doors_0001/prompt.txt

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+Two objects sit on a table. A pair of bi-fold doors, hinged in the middle, unfold from the left and right until they meet and fully cover the objects, hold, then fold back open — revealing the same two objects, unchanged.

eval/shard4/blooming_petal_box_task/blooming_petal_box_0000/prompt.txt

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+Four triangular flaps are folded up and inward to form a closed pyramid over an object. The four flaps fold outward and down (blooming open like a flower) to reveal the object resting on the base, unchanged.

eval/shard4/blooming_petal_box_task/blooming_petal_box_0001/prompt.txt

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+Four triangular flaps are folded up and inward to form a closed pyramid over an object. The four flaps fold outward and down (blooming open like a flower) to reveal the object resting on the base, unchanged.

eval/shard4/bumper_carom_task/bumper_carom_0000/prompt.txt

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+A ball rolls across a flat surface toward a fixed triangular wedge (a solid prism) sitting on the floor. It strikes the wedge's slanted face and caroms off along a new direction set by that face's normal, then decelerates and settles. It is never suspended and does not pass through the wedge.

eval/shard4/bumper_carom_task/bumper_carom_0001/prompt.txt

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+A ball rolls across a flat surface toward a fixed triangular wedge (a solid prism) sitting on the floor. It strikes the wedge's slanted face and caroms off along a new direction set by that face's normal, then decelerates and settles. It is never suspended and does not pass through the wedge.

eval/shard4/clamshell_box_task/clamshell_box_0000/prompt.txt

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+An open clamshell container sits on a table with a coloured object resting inside, in plain view. Its two shells swing shut — the top half lowering over the top and the front half rising up — fully enclosing and hiding the object, then swing open again to reveal the same object, unchanged and in the same place. The container itself does not move; only the shells open and close.

eval/shard4/clamshell_box_task/clamshell_box_0001/prompt.txt

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+An open clamshell container sits on a table with a coloured object resting inside, in plain view. Its two shells swing shut — the top half lowering over the top and the front half rising up — fully enclosing and hiding the object, then swing open again to reveal the same object, unchanged and in the same place. The container itself does not move; only the shells open and close.

eval/shard4/conveyor_edge_fall_task/conveyor_edge_fall_0000/prompt.txt

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+A ball rides along a conveyor belt toward the end of the belt. When it reaches the edge, it rolls off and falls into a bin (a lower catch floor) below. It accelerates as it falls and is never suspended in the air.

eval/shard4/conveyor_edge_fall_task/conveyor_edge_fall_0001/prompt.txt

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+A ball rides along a conveyor belt toward the end of the belt. When it reaches the edge, it rolls off and falls into a bin (a lower catch floor) below. It accelerates as it falls and is never suspended in the air.

eval/shard4/corner_turn_occlusion_task/corner_turn_occlusion_0000/prompt.txt

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+A ball rolls along an L-shaped track. At the bend it passes behind a solid corner pillar and is hidden, then re-emerges travelling along the perpendicular leg, the same ball continuing its journey.

eval/shard4/corner_turn_occlusion_task/corner_turn_occlusion_0001/prompt.txt

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+A ball rolls along an L-shaped track. At the bend it passes behind a solid corner pillar and is hidden, then re-emerges travelling along the perpendicular leg, the same ball continuing its journey.

eval/shard4/descending_dome_cover_task/descending_dome_cover_0000/prompt.txt

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+Two objects rest on a table. A dome-shaped cover lowers straight down from above to fully enclose and hide them, holds, then lifts back up — the two objects are revealed unchanged in number and position.

eval/shard4/descending_dome_cover_task/descending_dome_cover_0001/prompt.txt

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+Two objects rest on a table. A dome-shaped cover lowers straight down from above to fully enclose and hide them, holds, then lifts back up — the two objects are revealed unchanged in number and position.

eval/shard4/drop_screen_occluder_task/drop_screen_occluder_0000/prompt.txt

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+A ball rolls at a constant speed along a straight rail from left to right. A solid opaque screen, held in vertical guides in front of the rail, drops straight down from above to fully block the view of the ball's mid-path and holds there while the ball passes hidden behind it; the screen then lifts back up and the ball is revealed on the far side, unchanged and still moving at the same steady speed. The ball never stops -- it reappears at a position consistent with continuous constant-velocity motion.

eval/shard4/drop_screen_occluder_task/drop_screen_occluder_0001/prompt.txt

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+A ball rolls at a constant speed along a straight rail from left to right. A solid opaque screen, held in vertical guides in front of the rail, drops straight down from above to fully block the view of the ball's mid-path and holds there while the ball passes hidden behind it; the screen then lifts back up and the ball is revealed on the far side, unchanged and still moving at the same steady speed. The ball never stops -- it reappears at a position consistent with continuous constant-velocity motion.

eval/shard4/headon_velocity_exchange_task/headon_velocity_exchange_0000/prompt.txt

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+A ball rolls straight along a line into a second, identical stationary ball. On impact the incoming ball stops dead and the struck ball rolls away with the same speed - the classic equal-mass elastic velocity exchange. Both balls remain; neither passes through the other.