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 young man in a blue shirt and white shorts sitting with his guitar. Sentence 2: A man sits with his guitar.
Example Output: A man sits with his pet unicorn in the grass.

Example Input: Sentence 1: Two vehicles are parked outside a small grocery store. Sentence 2: Two vehicles are not moving.
Example Output: The vehicles are driving away from the grocery store.

Example Input: Sentence 1: A woman wearing red flip-flops site on a wall while listening to something with headphones. Sentence 2: A person in flip-flops
Example Output:
a woman is deep sea diving