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 female performing at a ballet. Sentence 2: The dancer is dancing.
Example Output: The woman is swimming.

Example Input: Sentence 1: A man in a suit walks in front of a colorful mural. Sentence 2: He is crossing a colorful mural
Example Output: A man in a suit sitting in a chair

Example Input: Sentence 1: A young man in blue jeans and an undershirt dances with a bare-midriffed young woman in a crowded nightclub. Sentence 2: A casually dressed man and woman dance in a club.
Example Output:
A man dances with a giraffe.