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 smiling construction worker with a white helmet. Sentence 2: He has been hit on the head before
Example Output: His head is protected

Example Input: Sentence 1: A large group of people are assembled in a large city. Sentence 2: The people are waiting for the mayor.
Example Output: The people are in the city.

Example Input: Sentence 1: A couple, a man and a woman, are sitting on a rock looking at the ocean. Sentence 2: A couple on ate sit by the ocean.
Example Output:
A couple sit on a rock.