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 white dog is chasing after a small dog at the beach Sentence 2: There are animals at the beach.
Example Output: A white cat is chasing after a small dog.

Example Input: Sentence 1: Two women in skirts walking across a street. Sentence 2: They were walking.
Example Output: Both women wore pants.

Example Input: Sentence 1: A man wearing an Indian vest playing the drums. Sentence 2: A man is playing the drums.
Example Output:
A man is playing Dance Dance Revolution.