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A toy car rolls on wood with light rolling clicks. Then rolls onto sand, and the sound nearly disappears.

C2-1-36 Event Transition · source_body principle: Material Comparison (Material)
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Per-prompt rubric

Basic standards

Visual presence

  • a toy car
  • a wooden surface
  • sand

Event: a toy car rolls across a surface

Audio presence

  • toy car wheels

Sound: rolling noise

Key standards

Visual physical commonsense (V-PC)

  • The toy car rolls continuously across a visible wood-to-sand transition, with plausible slowing on the sand.

Audio physical commonsense (A-PC)

  • The wood rolling has light clicks and the sand rolling drops to near-silence consistent with a soft absorptive surface.

Cross-modal physical commonsense (AV-PC)

  • The rolling sound fades at the moment the toy car visibly moves onto the sand.
  • The light rolling clicks correspond to the toy car rolling on the wooden surface.
  • The near-silence corresponds to the toy car rolling on the sand.