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: A boy, wearing a gray shirt and black pants, is bowling with a black bowling ball with only two pins left to knock down. Sentence 2: A boy is bowling with his friends.

A: A boy bowls with a black bowling ball
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Q: Sentence 1: The water is very clear. Sentence 2: You can see the bottom of the ocean with ease.

A: The water is clear.
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Q: Sentence 1: As the brown dog looks the other way, a large black and white dog plays with a smaller black dog. Sentence 2: The large black and white dog likes playing with the smaller black dog but doesn't like playing with the brown dog.

A:
More than one dog.
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