In this task, you're given a pair of sentences, sentence 1 and sentence 2. Sentence 2 contradicts sentence 1. 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 young teen performing a skateboard trick at a construction site caught in midair flipping his board. Sentence 2: A teenager is in a yard stuffing wet leaves into a black plastic bag.

A: The teen is a pro.
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Q: Sentence 1: A man stands on a ladder doing some sort of work while he slowly gains public attention. Sentence 2: The man is sitting on a chair.

A: The man is a firefighter.
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Q: Sentence 1: Several bike riders compete in a competition. Sentence 2: The bike riders are watching a movie.

A:
People are riding mountain bikes.
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