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: Students are in a classroom, reading something off a paper. Sentence 2: The students are working on an assignment.

A: The students are reading together.
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Q: Sentence 1: a man with green marker written on his arm Sentence 2: a man with amnesia makes a note

A: A person with an arm
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Q: Sentence 1: A girl rides by on a bicycle while a boy watches her. Sentence 2: There is a girl riding a bike outdoors racing a boy

A:
There is a girl riding a bike
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