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

He tries the door at the far end 
Back at his house someone ventures down a brief corridor.

The person then goes into a shed and it continue to ski down the drive.
A person is riding a wave behind a jetski.

Someone draws one fist back and extends a straightened hand forward.

The referee raises his flag and the Fighting someone lifts his fists.