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 men washing windows on a building with large glass windows. Sentence 2: There are men washing large glass windows.
Example Output: Some one broke the windows.

Example Input: Sentence 1: Several men are tinkering with radio controlled items. Sentence 2: Men are using technology.
Example Output: The men are using weapons of mass destruction.

Example Input: Sentence 1: Eleven people listen and take notes in a college classroom. Sentence 2: There is a class going on on the college campus.
Example Output:
Students oversleep in their dorms.