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 woman sings while people dance. Sentence 2: A woman is performing.
Example Output: A woman is pouring drinks.

Example Input: Sentence 1: Man looks out of his blue car and holds a rag out the window. Sentence 2: A man holds up a rag.
Example Output: A girl learns to sew.

Example Input: Sentence 1: A man and a dog who are both wearing sunglasses take a ride. Sentence 2: Two mammals are wearing glasses.
Example Output:
The man and his cat are wearing hats.