In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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 red pushes his motocross bike up a rock. Sentence 2: A man in a red shirt has trouble pushing his bike.
Example Output: A man wearing red with a bike.

Example Input: Sentence 1: Two laughing women sit at a table with drinks. Sentence 2: Two women are laughing at the waiter bringing their drinks.
Example Output: Two women are enjoying themselves.

Example Input: Sentence 1: A group of men are standing around. Sentence 2: A group of men are waiting for a cab
Example Output:
A group of men are standing