TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: Someone turns and runs upstairs.

SOLUTION: He slips two books back into someone's cauldron.

PROBLEM: Someone catches each in the crook of her arm then heaves it into someone's arms.

SOLUTION: Forming a line, the youth group members pass down the sacks one at a time.

PROBLEM: Someone is looking for someone.

SOLUTION:
People are helping someone up and carrying him.