TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly contradict each other. Generated sentences must be short, with less than 15 words. New information can be introduced. Avoid using pronouns to confuse the subject of the sentence.
PROBLEM: Sentence 1: An asian table tennis player is eagerly watching and waiting for his opponent serves the ball. Sentence 2: Two men compete in a ping-pong match.

SOLUTION: A person playing ping pong anticipates the other person's next move.

PROBLEM: Sentence 1: Four boys hold toy guns while under a pavillion. Sentence 2: The boys are playing cops and robbers.

SOLUTION: The boys have toy guns.

PROBLEM: Sentence 1: A helmeted woman is standing with her arms at her sides. Sentence 2: A sad helmeted woman is standing with her arms at her sides.

SOLUTION:
A woman is standing with her arms at her sides.