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 video shows how small fish are being cleaned.

SOLUTION: A man is kneeling on a frozen lake.

PROBLEM: The kids continue to hit the ball around one another.

SOLUTION: The camera pans around to children hitting the ball holding tennis rackets.

PROBLEM: Someone ends a chat with a colleague and approaches someone.

SOLUTION:
Someone and someone enter a ballroom filled with celebrating students.