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 in a black shirt and gray hat gives the thumbs up to a crowd with one hand, while holding a microphone in the other. Sentence 2: a man gives a thumbs up
Example Output: a loan man on a horse

Example Input: Sentence 1: A man pulling a cart filled with many wooden chairs down a city street. Sentence 2: A man is in a city.
Example Output: A man is pulling an empty cart.

Example Input: Sentence 1: A guy with his hands in his pockets of his jacket while walking beside a white business van. Sentence 2: a guy is walking
Example Output:
A man is eating some cake as he walks.