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 continues playing as the people listen to him.

SOLUTION: He is playing a long wooden flute.

PROBLEM: He dismounts and lands on a mat.

SOLUTION: A man is doing a gymnastics routine on parallel bars.

PROBLEM: Back in the elevator, someone points at someone insistently then creeps out.

SOLUTION:
Someone hides at the end of one unit and watches someone creeping by.