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 sits in a brown shirt, playing a wooden looking guitar with microphone stands on his sides. Sentence 2: A man is sitting in a large brown shirt.
Example Output: A man is sitting in a brown sh irt.

Example Input: Sentence 1: A guy with no shirt and no shoes, who is painting the floor. Sentence 2: A man is working.
Example Output: A man is painting.

Example Input: Sentence 1: Businesswoman and man speaking together in front of awaiting army personnel. Sentence 2: Two people are having a very important discussion.
Example Output:
Two people are having a conversation.