TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: While someone strolls people up a walkway someone peeks away.

SOLUTION: Now in the Tenement Courtyard, a woman sweeps dust out of a garage set up as an apartment.

PROBLEM: Someone recognizes him immediately but someone does not look up.

SOLUTION: He is studying something in the file folder.

PROBLEM: The person appear to temporarily go underwater several times and right themselves.

SOLUTION:
People stand on a nearby pier and watch the person.