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 dog stands in a field. Sentence 2: There is an animal outside.
Example Output: The dog runs through a field.

Example Input: Sentence 1: A man in a blue jacket smiles back at the camera, positioned in front of a lake or large river on a clear sunny day. Sentence 2: A man is posing for a picture outside.
Example Output: A man is snowboarding down a huge mountain.

Example Input: Sentence 1: Three men being lowered in a small boat from a large ship. Sentence 2: Men leaving a large ship.
Example Output:
Men staying on a large ship