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 neither agree nor 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 man is skateboarding in front of a group of people. Sentence 2: A man on a skateboard.

A: A man is performing tricks in a skate park in front of an audience.
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Q: Sentence 1: A balding man assembles a bicycle with parts gathered from the back of a vehicle. Sentence 2: The man takes the parts from the back of the vehicle and puts a bike together.

A: The older man puts together a bicycle.
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Q: Sentence 1: The man is playing professional tennis. Sentence 2: The man is an athlete.

A:
He has not lost a match all day.
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