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 boy rollerskate down the white railings as two other men walked up to him to give him high five.

SOLUTION: A person skateboard down to the ramp, a woman is shown in the phone's screen and then a man.

PROBLEM: Kevin reaches into an envelope and pulls something out.

SOLUTION: A photo of a bearded man is shown with the words Shaving Kevin's Beard overlaid.

PROBLEM: They continue to play while looking off into the audience and ends by bowing.

SOLUTION:
The person moves their hands up and down on the instrument.