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 shows him the medal.

SOLUTION: Someone follows someone down into the basement.

PROBLEM: Dressed in a smart suit and tie, someone goes to the fence but stops short and stares at the dog.

SOLUTION: Someone gets out of the car, and locks it with a remote.

PROBLEM: They begin to march forward while continuing to play the drums.

SOLUTION:
People are standing still next to them.