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 white dog runs on the grass. Sentence 2: A white animal is outdoors.
Example Output: A black cat sits in the hedges.

Example Input: Sentence 1: A man in a wetsuit body boarding a small wave Sentence 2: The man is body boarding.
Example Output: The man is playing soccer.

Example Input: Sentence 1: A man walks though a summer exhibition at the town square. Sentence 2: The exhibition is outdoors.
Example Output:
The man is sitting on a park bench.