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 holding a sign and a man playing a guitar are speaking in front of a crowd. Sentence 2: The man is performing.
Example Output: A man is holding a sign.

Example Input: Sentence 1: Elderly gentlemen with shopping bag outside entrance to strip club. Sentence 2: Some men are walking into a strip club.
Example Output: Some elderly men are outside a building.

Example Input: Sentence 1: On a clear blue day, an ocean surfer catches a wave and delicately maintains his balance on the surfboard as he rides towards the shore. Sentence 2: A surfer is riding a wave with his friends watching from the beach
Example Output:
A surfer is in the ocean