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.

Sentence 1: A boy rides down a slide into a small backyard pool. Sentence 2: A boy goes down a slide on his stomach.
The men are changing the stone.

Sentence 1: The woman is at marketplace buying fish from an Arabic person. Sentence 2: The woman buying the fish is buying it for her daughter.
The woman is out shopping.

Sentence 1: The light could become a flying object in a wind storm. Sentence 2: Their is a wind storm heading in the lights direction.

The light may become airborne if the wind is too strong.