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: Two players collide during a recent roller derby match. Sentence 2: There are two players in the match.
Example Output: Some players watching tv.

Example Input: Sentence 1: Four couples, all wearing green are dancing outdoors. Sentence 2: Several couples in green dancing outside.
Example Output: One couple is swimming.

Example Input: Sentence 1: A man wearing flowered swimming trunks is standing near large mossy rocks. Sentence 2: A person wearing swim trunk standing.
Example Output:
Person wearing sunglass.