TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: Someone grabs someone and throws the string down.

SOLUTION: While someone bounces a ball off a wall.

PROBLEM: Someone continues to look around.

SOLUTION: Someone is looking around it.

PROBLEM: Later, his board rests on a chair outside as he comes in.

SOLUTION:
At an isolated nighttime beach, someone crouches over his surfboard and waxes it aggressively.