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 leaves and returns with a basketball.

SOLUTION: Another man walks behind him.

PROBLEM: They are practicing dancing in their living room with a flat screen television hanging on the wall.

SOLUTION: There's a young main in a white tank top and beige shorts practicing dancing with a woman wearing a gray shirt and blue shorts.

PROBLEM: One raises his sports drink in a toast.

SOLUTION:
Later, someone turns to two younger Marines hanging out by the car next to his.