TASK DEFINITION: Given a sentence, generate a most likely context or previous statement. The previous statement should be relevant to the given statement.
PROBLEM: Someone joins someone as they look towards the distant, jagged mountains of mordor.

SOLUTION: Someone watches the young hobbit.

PROBLEM: Two men laugh together and end with him washing his hands.

SOLUTION: One man shows off his legs to the camera.

PROBLEM: They run around obstacles and have a great time.

SOLUTION:
A helicopter flies in some people who then start playing paintball.