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 woman stands by recording the performer.

SOLUTION: A black man approaches to watch the guitarist perform.

PROBLEM: Teammates throw balls to someone who drops them in a bucket beside third base.

SOLUTION: Now as we rove over a river toward a city, words appear.

PROBLEM: Someone is pleasantly shaking his head.

SOLUTION:
He takes a drag on his cigar.