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: Many people are sitting in yellow folding chairs. Sentence 2: The people are sitting in chars.
Example Output: Everyone is standing on a cliff.

Example Input: Sentence 1: A young girl wearing a tutu dances in a large room. Sentence 2: The  young girl is performing.
Example Output: The young girl is standing there.

Example Input: Sentence 1: A young man in a subway walking. Sentence 2: A man walks underground.
Example Output:
A young man is driving a car.