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 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

Example Input: Sentence 1: It looked dark outside while in the empty restaurant, a young guy dressed in black sat in a booth playing the harmonica. Sentence 2: A young man is playing the harmonica.
Example Output: A man with a harmonica in his pocket is walking down the street.

Example Input: Sentence 1: A girl is being pulled by a string while sitting on a raft. Sentence 2: The girl is sitting down.
Example Output:
The girl is standing on a log.