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: A man kneeling on a roof touching a piece of plywood wearing sunglasses. Sentence 2: A man kneeling on a roof is fixing a spot on the roof with a piece of plywood.

Output: A man wearing sunglasses is kneeling on the top of a house.

Input: Consider Input: Sentence 1: A man dressed in cowboy attire is riding a horse. Sentence 2: the horse is white

Output: a man riding a horse

Input: Consider Input: Sentence 1: A person working while sitting on a scaffold high up in the air. Sentence 2: The window washer continues her duties.
Output: A person sits high up in the air.