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: He then adds soda to the cup which makes the cup full to the top and starts to stir it up with a metal tool.

SOLUTION: A guy shows you how to make a drink, the guy pours ice in a tall glass, adds a half cup of a certain type of liquor and pour it in the cup with the ice.

PROBLEM: Emily lets the phone fall from her ear.

SOLUTION:
Inside he untapes the phone and answers it.