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: He holds the ball up and moves it back and forth.

SOLUTION: The wounded ping - pong player hands someone a paddle.

PROBLEM: We see the boy playing in an indoor porch at the house.

SOLUTION:
A man is wearing a contraption which holds his small son on his back as he hikes in the woods.