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.
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Question: Sentence 1: A string quartet practices for an up-coming performance. Sentence 2: A string quartet practicing.

Answer: The woodwind section warming up for a performance.


Question: Sentence 1: Some people are standing outside at a sidewalk book sale. Sentence 2: People browse a sidewalk book sale.

Answer: A bookstore is on fire.


Question: Sentence 1: A girl in a polka dotted blue jean dress walks barefoot on a balance beam. Sentence 2: A girl is practicing having better balance.

Answer:
The girl is playing softball.