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 boy, now older, plays an electric guitar.

SOLUTION: The boy rides on a miniature railway.

PROBLEM: Someone heads back to someone.

SOLUTION: Someone wears a proud look.

PROBLEM: Taking her into custody, an officer yanks down her shirt and finds a bulletproof vest.

SOLUTION:
Someone keeps his weary gaze fixed on someone.