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 girl begins doing a gymnastic routine on a balance beam.

SOLUTION: A girl stands in front of a balance beam.

PROBLEM: He dismounts and lands on a mat.

SOLUTION: A man is doing a gymnastics routine on parallel bars.

PROBLEM: Someone turns away with a stony expression.

SOLUTION:
With gun, the man convulses then falls limp.