TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: The two men change the tire, putting on a spare.

SOLUTION: They remove the tire while another man takes pictures.

PROBLEM: People pull a blanket up over a dead body.

SOLUTION: Someone passes a long line of people, being treated.

PROBLEM: The people switch places and continue fencing onward back and fourth.

SOLUTION:
Two people are seen fencing back and fourth while others walk around them and watch.