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: Three bicyclists riding down a steep course wearing helmets. Sentence 2: the bicyclists are being careful down the steep course.

A: The bicyclists are  wearing helmets.
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Q: Sentence 1: A man kneeling on a roof touching a piece of plywood wearing sunglasses. Sentence 2: A man kneeling on a roof is fixing a spot on the roof with a piece of plywood.

A: A man wearing sunglasses is kneeling on the top of a house.
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Q: Sentence 1: A young man is shooting pool. Sentence 2: A man playing pool with friends at a bar

A:
Someone playing pool
****