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.

Ex Input:
Sentence 1: A large vehicle drives through a mud puddle. Sentence 2: A man is driving a truck through a puddle of mud

Ex Output:
There is mud outside

Ex Input:
Sentence 1: a troubled man standing beside many hanging products Sentence 2: The man is depressed.

Ex Output:
The man is standing by hanging products.

Ex Input:
Sentence 1: Men standing on scaffolding are working. Sentence 2: Men cleaning windows.

Ex Output:
Men are at work on a building.