In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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 very young boy in a black jacket, jeans, and tennis shoes holds himself at the top of a slide, waiting to go down. Sentence 2: The slide has a line of people waiting to use it.
Example Output: A boy is using a slide.

Example Input: Sentence 1: Some men working around a business street marquis, there is a caution tape, one of the cones holding the tape is knocked over. Sentence 2: The orange traffic cone is tipped over.
Example Output: The men are working on the street and a cone is knocked over.

Example Input: Sentence 1: A man is leading two small ponies on a walk at a park. Sentence 2: A man prepares ponies for a children's birthday party.
Example Output:
A man leads ponies through the park.