TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: She takes a puff of a cigarette.

SOLUTION: He and someone share a smile, then look away.

PROBLEM: man is going out of the barn holding a horse and practicing riding on the horse.

SOLUTION: Women riding horses are jumping above obstacles on the barn.

PROBLEM: At night, someone sits at a cubicle in the darkened office.

SOLUTION:
Now dressed for an interview, someone stands up as Sebastian walks another female applicant out of his office.