TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: He remains staring out of the window.

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

PROBLEM: The wealthy man smiles and smiles at him.

SOLUTION: His smooth ageless features give a smirk.

PROBLEM: They are throwing the ball back and forth.

SOLUTION:
They hit a ball around the field.