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A referee blows a whistle on a sports field. Players nearby hear a piercing blast. The scene cuts to the far seats, where spectators hear only a thin distant tweet.

C3-1-09 Environment Transition · propagation_medium principle: Inverse square law (Wave)
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Per-prompt rubric

Basic standards

Visual presence

  • a referee
  • a whistle
  • players
  • a sports field
  • spectator seats

Event: a referee blows a whistle on a sports field

Audio presence

  • a whistle

Sound: a whistle blast

Key standards

Visual physical commonsense (V-PC)

  • A near-scene shows the referee blowing the whistle on the field, and a far-scene shows the spectator-seat vantage of the same field.

Audio physical commonsense (A-PC)

  • The whistle blast is clearly audible as a piercing tone in the near-scene and remains audible as a thinner and quieter whistle tweet in the far-scene.

Cross-modal physical commonsense (AV-PC)

  • The whistle's loudness in each scene matches the visible camera distance from the referee.