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 person wearing a hat and baggy pants is skateboarding on cement. Sentence 2: A human rides a skateboard.
Example Output: An old man falls off a skateboard.

Example Input: Sentence 1: A couple dances at a disco. Sentence 2: People in a building
Example Output: People pray in church

Example Input: Sentence 1: Two men in overalls stand in a work zone filling a bucket from a hose. Sentence 2: Two men working
Example Output:
Two women working