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.
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Question: Sentence 1: There is a stand under a large blue and red umbrella with a large assortment of produce and there are several people looking through the produce. Sentence 2: The produced is at a farmer's market.

Answer: There is a lot of produce.

Question: Sentence 1: Boy rock climbing on a blue wall while an adult looks away. Sentence 2: The adult got distracted while the boy was climbing.

Answer: The boy is having fun.

Question: Sentence 1: A man in a red shirt is performing an aerial trick with a skateboard on a sidewalk. Sentence 2: A man is being video taped on the skateboard.

Answer:
A man is riding a skateboard.