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 stares thoughtfully into the distance.

SOLUTION: At home, someone sits in the bath, clutching the white cube, which has a knobbly surface.

PROBLEM: People carry their braces to a hole on the grass where it catches someone's saddle and finds more off.

SOLUTION: He hides behind a wooden beam.

PROBLEM: She casts a spell with her wand.

SOLUTION:
Someone struggles to reload the shotgun as someone stalks him.