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 young man sits on a chair with one shoe off. Sentence 2: Someone has taken a shoe off.
Example Output: Everyone is wearing two shoes.

Example Input: Sentence 1: A man wearing a black shirt, jeans, and skate shoes is jumping near a pond. Sentence 2: The man is jumping.
Example Output: The man is standing still.

Example Input: Sentence 1: A woman and a child, both with dark hair and eyes play with two puppies that are lying on the ground. Sentence 2: The woman and child played with the dogs.
Example Output:
The woman and child were playing with two cats.