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 man in a red helmet rollerblades near the beach with two dogs on a leash. Sentence 2: There are rollerbladers on the beach.
Example Output: A jogger is running with his two dogs.

Example Input: Sentence 1: A young boy plays on a playground piece shaped like a seahorse. Sentence 2: A little boy playing in a playground.
Example Output: A little boy swinging on a swingset.

Example Input: Sentence 1: People skating at a rollerskating rink. Sentence 2: People on skates.
Example Output:
A horse is eating grass.