In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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 man in dirty jeans on top of a scaffolding. Sentence 2: A man is wiring lighting on top of a scaffolding.
Example Output: A man is on top of scaffolding.

Example Input: Sentence 1: Man in blue shirt focusing on grilling hamburgers. Sentence 2: The man is making food for his family.
Example Output: The person is cooking.

Example Input: Sentence 1: A woman wearing a pale shirt and jeans is sitting on a couch next to a man in a maroon shirt. Sentence 2: A man and woman sit together in a therapist's office.
Example Output:
A man and woman sit on a couch.