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A wooden stick presses and taps a sponge. The sound is extremely soft and muted, almost disappearing immediately after contact.

C1-1-27 Steady State · source_material principle: Soft material sounds (Material)
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Per-prompt rubric

Basic standards

Visual presence

  • a wooden stick
  • a sponge

Event: a stick presses and taps a sponge

Audio presence

  • a wooden stick
  • a sponge

Sound: stick-on-sponge contact

Key standards

Visual physical commonsense (V-PC)

  • The sponge compresses under the stick and visibly recovers to its original shape when the stick is lifted.

Audio physical commonsense (A-PC)

  • The contact sound is extremely soft and muted with near-immediate decay.

Cross-modal physical commonsense (AV-PC)

  • Each faint contact sound aligns in time with a visible press or tap of the stick on the sponge.