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 man in the red shirt hits the ball against the wall.

SOLUTION: The young man in the black shirt hands the ball to the man in the red shirt.

PROBLEM: In the background, a waitress holds up a tray.

SOLUTION: They are crowded in with people.

PROBLEM: Then, the man removes the socks and applies it to the wall with a tool that explains the entire process.

SOLUTION:
After, the man puts blue tape on the side of the fence and covers a rail.