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A firework explosion sound echoes across the sky before the firework visibly launches and bursts silently.

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Per-prompt rubric

Basic standards

Visual presence

  • a firework
  • the sky

Event: a firework launches into the sky and bursts

Audio presence

  • a firework

Sound: a firework explosion

Key standards

Visual physical commonsense (V-PC)

  • A firework visibly launches upward into the sky and bursts at altitude with a real-looking firework explosion of sparks and color.

Audio physical commonsense (A-PC)

  • A firework explosion sound is present in the clip with the boom and crackle character of a real fireworks burst echoing across the sky.

Cross-modal physical commonsense (AV-PC)

  • The firework explosion sound plays in the audio before the firework is visibly launched.
  • The audio is silent at the moment the firework visibly bursts in the sky, with no accompanying explosion sound.