Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.

Q: Someone helps someone up.

A: Someone grabs her friend's arm.
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Q: He watches someone with a warm grin.

A: Someone looks at him, then at her hand.
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Q: They add liquid acetone to the sink.

A:
A person is washing a green rag in the sink.
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