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 continues to look around.

SOLUTION: Someone is looking around it.

PROBLEM: Two of the pairs run down a field of black and green mats.

SOLUTION: A group is gathered in a boxing rink.

PROBLEM: He folds his arms beside the body, his chest heaving.

SOLUTION:
Someone looks down and pinches the material of his trousers nervously.