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 touches a girder someone holds between them.

SOLUTION: Someone rises from the floor and sends metal beams crashing through the chamber between them.

PROBLEM: Kneeling on the raft, he quickly collects his tools as the agitated surface intensifies beneath him.

SOLUTION: Someone unties his canvas canopy and takes down the wooden post.

PROBLEM: He walks down a barren corridor and stops in front of a door.

SOLUTION:
Later someone exits an elevator in an office building.