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 bespectacled man heaves a sigh and strides away.

SOLUTION: He hands him the subpoena.

PROBLEM: He remains staring out of the window.

SOLUTION: As the carriage leaves, someone watches its progress from a window.

PROBLEM: He looks hopefully up at someone.

SOLUTION:
Frowning, someone studies the lad.