TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: A bewildered customer moves forward.

SOLUTION: He ports through and finds himself at a service counter at the New York dmv.

PROBLEM: Next a man is shown roller blading all by himself in the streets, sidewalks, and over huge rocks.

SOLUTION: These three males are all being active outdoors and in the beginning, one is roller blading, another one walking and another one jogging.

PROBLEM: Someone shakes the head and says nothing.

SOLUTION:
Someone, staring at him, still does not answer.