TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: He leaves and returns with a basketball.

SOLUTION: Another man walks behind him.

PROBLEM: Someone bashfully gives a weak push.

SOLUTION: Someone sticks her wand in someone's arm.

PROBLEM: The two children run to the door.

SOLUTION:
He wanders off, leaving someone alone with people.