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: Asian woman holding a cray stuffed cat in a classroom. Sentence 2: A woman holds a stuffed cat.
Example Output: A woman shows a class a live cat.

Example Input: Sentence 1: Man wearing hat and glasses working on a bicycle. Sentence 2: A man is working on his bike.
Example Output: A person is riding his bicycle on the street.

Example Input: Sentence 1: A man holds a sign reading "HOMELESS ANYTHING HELPS" near a construction site. Sentence 2: A human with a sign.
Example Output:
Nobody has a sign