TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
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.

PROBLEM: Meanwhile, someone feels around his desktop.

SOLUTION: Someone gives him a tight - lipped smile.

PROBLEM: Someone strides through the rain.

SOLUTION:
Someone marches out high - fiving someone on the way.