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 looks at her, tired and pleased.

SOLUTION: She draws back quickly and looks down, terrified at what she has said.

PROBLEM: Sharing his point - of - view, we see someone lying down from his attempt.

SOLUTION: With his free hand, he grabs the camera.

PROBLEM: Someone emerges from the back of the boat.

SOLUTION:
Someone chases after the boy.