TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: Someone grabs the letter and gazes longingly then turns it over in the box.

SOLUTION: He presses his thumb against the ad and looks down at the unopened envelope from his father.

PROBLEM: Later, his board rests on a chair outside as he comes in.

SOLUTION: At an isolated nighttime beach, someone crouches over his surfboard and waxes it aggressively.

PROBLEM: They smile as she takes out her handkerchief.

SOLUTION:
She gets up, holding her coat.