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 child walks among fallen leaves. Sentence 2: A child walking through leaves.
Example Output: A young boy shovels snow.

Example Input: Sentence 1: A white-haired coach stands in front of a group of high school age boys running past him. Sentence 2: A coach stands near some teens.
Example Output: A coach is laying in bed.

Example Input: Sentence 1: A man in a gray sweater and glasses is laughing. Sentence 2: He is wearing clothes
Example Output:
Two people not riding their bicycles