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 taps the bar, then removes his goggles and shakes his head.

SOLUTION: He pauses, and they hover over his head.

PROBLEM: Someone collapses to his knees, then falls face down on the floor.

SOLUTION: Someone yanks out a handful of green goo.

PROBLEM: Later, someone steps out of the doorway of a jazz restaurant.

SOLUTION:
He glances at someone's kindly face.