TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: A cork strikes a thug in the forehead.

SOLUTION: The burly thug picks up a cork.

PROBLEM: They crash through the center of the wave as it reaches shore.

SOLUTION: A countdown is shown of ten clips of surfers as they surf through waves.

PROBLEM: He stops a few paces behind someone.

SOLUTION:
They notice every student around them wearing their backpacks strapped to both shoulders.