In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair 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: Many people on a street while vendors sell items. Sentence 2: The vendor is selling items on a street.

A: The vendor is inside a museum.
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Q: Sentence 1: The black and white dog catches the tennis ball in his mouth. Sentence 2: A dog catches a ball.

A: A dog chases a cat to the shouts of its owner.
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Q: Sentence 1: A white dog runs through a large blue tube. Sentence 2: A dog moves through a tube.

A:
A cat staring out a window.
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