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 man bends down and touches the ground while twisting.

SOLUTION: The man jumps multiple times and goes further each jump.

PROBLEM: Several snow troopers are after the pilot.

SOLUTION: A spaceship is crashed in the snow.

PROBLEM: Someone takes something from an opened wooden crate and hands it to someone.

SOLUTION:
A huge, gray, spiky dragon lies chained on the ground.