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: The man in the black jacket is throwing a stick for the dog to chase. Sentence 2: The man is playing with a dog.
Example Output: The man is cuddlying a cat.

Example Input: Sentence 1: A girl jumps rope on a sidewalk. Sentence 2: A girl is jumping rope outside.
Example Output: A boy is playing cards with his friend.

Example Input: Sentence 1: A young boy in a swimming suit sits in water. Sentence 2: A young boy in swimming gear is in the water.
Example Output:
The boy is skiing down the hill.