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

Q: Someone turns and runs upstairs.

A: He slips two books back into someone's cauldron.
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Q: Someone lays the guitar off his lap.

A: In a guy's room, someone learns to play guitar.
****
Q: One glances at him through the anteroom.

A:
Someone clenches his jaw, staring off.
****