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 moon hangs low, casting long shadows.

SOLUTION: The night is whirring and breathing, alive.

PROBLEM: The man cleans the aging ski on the snow before laying it down.

SOLUTION: The man slowly slides the tool over the ski surface.

PROBLEM: Someone stops in his tracks, pondering what to do.

SOLUTION:
The clerk takes out a bundle of letters and quickly sorts through it.