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 has a strange, puzzled look on his face.

SOLUTION: Someone at the cash register, busily ringing the bell.

PROBLEM: She begins talking on her phone and the same clip is shown again in slow motion.

SOLUTION: A man records a close up of a tube and pushing it into a woman standing in the snow.

PROBLEM: Someone stares intently at the door.

SOLUTION:
Someone stares at them as they take their seats.