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 wearing a hat and baggy pants is skateboarding on cement. Sentence 2: A human rides a skateboard.
Example Output: An old man falls off a skateboard.

Example Input: Sentence 1: a soccer player is diving for the ball. Sentence 2: An athlete dives for the soccer ball.
Example Output: The athlete is playing baseball.

Example Input: Sentence 1: A man wearing a yellow t-shirt is shouting into a microphone while an audience is listening. Sentence 2: A man has a microphone.
Example Output:
A man sleeps in his bed.