TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: Two ambulance workers fold someone's arms across his chest and hoist him onto a stretcher.

SOLUTION: A man lies on the ground, his chest heaving.

PROBLEM: another toddler is walking a dog on a lease.

SOLUTION: A toddler is in a stroller holding a lease to a dog.

PROBLEM: Cattle stream into it as someone rides toward the docks at the head of her herd.

SOLUTION:
The gates out of the pen are closed in front of someone, and the gate to the wooden loading tunnel raised.