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.

Sentence 1: A man wearing a cowboy hat and suspenders, uses his cane to help him walk down a narrow road surrounded by tall grass. Sentence 2: An elderly man uses a cane to navigate a country road.
A man in western attire uses a cane to walk on a road with overgrown grass.

Sentence 1: Two men in Turkey walking down the street, talking. Sentence 2: The brothers walked at a brisk pace.
Two brothers are headed to a Turkish coffee house.

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.

A man without hair near a poster about red blood cells is looking through a microscope.