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 hits two balls at a time against the opposite side of the table.

SOLUTION: A group of wounded soldier sit and watch someone play with himself.

PROBLEM: Someone leap into the air as it crashes back into the air.

SOLUTION: It leaps through the open window.

PROBLEM: Someone watches as someone heads off.

SOLUTION:
Someone reads it and looks around in concern.