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 person is climbing a rock while holding onto a white rope. Sentence 2: The person is outdoors.
Example Output: The rope is made of black nylon.

Example Input: Sentence 1: A man with a name tag on is sitting in a chair. Sentence 2: A man has a name tag
Example Output: A man is sleeping.

Example Input: Sentence 1: A happy young boy sits in a chair with a large Elmo doll. Sentence 2: A boy sits in a chair.
Example Output:
A boy is dancing with his friend.