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.

Q: Sentence 1: Man with a camouflage hat is throwing knives at a target. Sentence 2: an army colonel is throwing knives.

A: a man is throwing knives
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Q: Sentence 1: A partly cloudy day at the beach with people standing around and a building on the right. Sentence 2: People wait for an event on the beach to start.

A: There are humans at in the beach in the daytime.
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Q: Sentence 1: Man works on lowering a train on tracks. Sentence 2: The man works on a life and death situation.

A:
A worker at the trainyard.
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