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 black dog with a stuffed animal in its mouth is running and jumping through a snowy field. Sentence 2: There is a dog in a field
Example Output: The dog has nothing in its mouth

Example Input: Sentence 1: A group of people are repelling off of a building as a crowd watches on. Sentence 2: The crowd is watching a group of people repel off the buildings.
Example Output: The group of people are in a marching band.

Example Input: Sentence 1: A conclusion of a doubles tennis match on a brown clay court where the two players in black have their arms raised as if in victory. Sentence 2: People are on a tennis court
Example Output:
The players are in a ice hockey rink