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 man with a shaved head and a button-up shirt looks into a microscope near a poster about red blood cells. Sentence 2: A scientist studies a vaccine.
[EX A]: A man without hair near a poster about red blood cells is looking through a microscope.

[EX Q]: Sentence 1: There are two men and one female sitting down and looking at their laptops in front of a window. Sentence 2: A group of people are working in a coffee shop.
[EX A]:
People look at laptops.