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 girl has the ball in a game of basketball Sentence 2: She is playing basketball.
Example Output: The girl is playing softball.

Example Input: Sentence 1: A surfer blazes on a roaring wave. Sentence 2: the surfer rides the waves
Example Output: the cat eats his tail

Example Input: Sentence 1: A rollerblade athlete takes a big jump while performing a trick. Sentence 2: An extreme athlete gets air.
Example Output:
A guy rides a long board through his small city's streets.