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 Q]: Sentence 1: A man on a steep incline wearing a white shirt is working on a roof, with lots of debris all around. Sentence 2: A man is cleaning all the trash off a roof.
[EX A]: The man is doing work.

[EX Q]: Sentence 1: A lady in a pink coat, black slacks, and brown shoes is sitting on a bench. Sentence 2: A lady is reading a book on a bench.
[EX A]: A person is sitting on a bench.

[EX Q]: Sentence 1: the shadows of what appears to be two men grabbing another man from atop a large building Sentence 2: Shadows of people fighting can be seen.
[EX A]:
There are shadows of people.