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: The cowboy kneels down to put the brown strap on his boot. Sentence 2:  The cowboy kneels down to put the brown strap on his metal boot.

A:  The cowboy kneels down.
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Q: Sentence 1: People walking across a crosswalk. Sentence 2: People are crossing the street.

A: People are walking on the sidewalk
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Q: Sentence 1: A brown and white dog jumps over a dog hurdle. Sentence 2: A brown and white dog jumps over a hurdle in competition.

A:
A dog is jumping.
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