In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair 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.

Example Input: Sentence 1: A young man stands outdoors in front of electronic equipment with his arms folded while another man in the background wears headphones. Sentence 2: A man is near electronic equipment while another had on headphones.
Example Output: Two women are dancing to old Pop music.

Example Input: Sentence 1: A man wearing a black shirt, jeans, and skate shoes is jumping near a pond. Sentence 2: The man is jumping.
Example Output: The man is standing still.

Example Input: Sentence 1: A boy in a red vest and white karate outfit is sparring with a boy in a blue vest. Sentence 2: A boy is sparring with another boy at karate practice.
Example Output:
Two boys are fishing from a pier.