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.

Ex Input:
Sentence 1: A father and his son bonding. Sentence 2: A father and his son are playing catch.

Ex Output:
A man has a son.


Ex Input:
Sentence 1: A boy, wearing a gray shirt and black pants, is bowling with a black bowling ball with only two pins left to knock down. Sentence 2: A boy is bowling with his friends.

Ex Output:
A boy bowls with a black bowling ball


Ex Input:
Sentence 1: Person in a brown sweatshirt does a flip in midair over a trampoline with a river and electrical lines in the background. Sentence 2: A man flips to try to impress a girl.

Ex Output:

A person is performing an acrobatic maneuver on a trampoline.