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 leap into the air as it crashes back into the air.

SOLUTION: It leaps through the open window.

PROBLEM: He leaves and returns with a basketball.

SOLUTION: Another man walks behind him.

PROBLEM: Sparks rain down erratically from the ceiling as she ventures past the bar, her axe ready, and approaches a doorway.

SOLUTION:
Someone shovels in, removes her helmet and sets it aside.