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 puts it in his pocket.

SOLUTION: Someone steps inside the vault and snatches up the package.

PROBLEM: Later, his board rests on a chair outside as he comes in.

SOLUTION: At an isolated nighttime beach, someone crouches over his surfboard and waxes it aggressively.

PROBLEM: Someone's board roughly bumps his on arrival.

SOLUTION:
Drawing near, he finds his mentor sprawled out on his board.