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: Two Asian women sit on a bench eating lunch while a white woman in a navy shirt walks by and checks out a promotional table. Sentence 2: Two women are eating lunch while another woman walks nearby.
Example Output: A white woman wearing a navy shirt sits down at the table with the other ladies.

Example Input: Sentence 1: A guy wearing a black shirt and a red hat riding his skateboard. Sentence 2: A guy is riding a skateboard.
Example Output: A guy is riding a scooter.

Example Input: Sentence 1: Two people, one wearing a blue shirt and another wearing a pink shirt, are rappelling down a building. Sentence 2: Two people are on the side of a building.
Example Output:
Two people are cleaning restrooms in a building.