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.

Sentence 1: A young lady in motion on cobblestone in front of multicolored houses. Sentence 2: A young lady is outside.
A man is looking for a dog.

Sentence 1: Three black men conversing in formal attire. Sentence 2: Three men are speaking.
Three men are wearing bathing suits.

Sentence 1: Two men washing windows on a building with large glass windows. Sentence 2: There are men washing large glass windows.

Some one broke the windows.