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: A man tosses something into the air while others look on. Sentence 2: The man is a professional juggler, and is performing for a crowd.

SOLUTION: There are several people in this photo.

PROBLEM: Sentence 1: A person standing on a stage in front of a seated crowd Sentence 2: Someone is performing for others.

SOLUTION: Someone is standing on stage in front of a crowd.

PROBLEM: Sentence 1: A teenage boy doing a skateboard trick while another boy rides on a skateboard in the background. Sentence 2: on of the boys is performing an ollie

SOLUTION:
some boys are riding skateboards