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: Two children, one wearing purple, the other black, ride a single bike on the pavement. Sentence 2: Two children ride the same bike.

A: Two adults ride a double seater bike.
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Q: Sentence 1: Bearded man playing a game with toy soldiers, tanks and a dice with a soldier and a bomb painted on it. Sentence 2: A man with a beard plays with several military-related toys.

A: A young woman plays with a doll.
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Q: Sentence 1: A man speaking at a conference. Sentence 2: The man is older than 5 years old.

A:
The man is swimming in the middle of the ocean.
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