TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: The first man looks down at the cup and grimaces at what he sees.

SOLUTION: The camera shows the ball hitting the table and landing into the cup on the other side.

PROBLEM: A woman instructs the student how to use outdoor knives.

SOLUTION: He is explaining techniques and equipment.

PROBLEM: After, the woman gives form to the nails with the nail file.

SOLUTION:
After, the woman cuts the sides of the nails.