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.

Input: Consider Input: Sentence 1: Workers brush off the stops in front of a monument, blocked off with traffic cones. Sentence 2: The workers are doing regular maintenance for the monument so it is clean for visitors.

Output: Workers are cleaning the steps in front of a monument that is blocked off.

Input: Consider Input: Sentence 1: A man blays with a black dog and a yellow ball. Sentence 2: The dog is a poodle.

Output: A man plays with a black dog.

Input: Consider Input: Sentence 1: Some marching band members in green and white outfits. Sentence 2: Marching band members are playing instruments.
Output: Marching band members are dressed in two contrasting colors.