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 stands on a sidewalk between a newspaper dispenser and a trashcan, with a bus in the background. Sentence 2: A man stands ouside
Example Output: A young man stands on the roof of a skyscraper

Example Input: Sentence 1: Some young people are hanging out at night outside a building. Sentence 2: Some kids are outside.
Example Output: Some kids are staying at home tonight.

Example Input: Sentence 1: a brown dog at the edge of a body of water surrounded by snow. Sentence 2: There is an animal in a cold place.
Example Output:
A wild dog is in the desert.