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: Two vehicles are parked outside a small grocery store. Sentence 2: Two vehicles are not moving.

Answer: The vehicles are driving away from the grocery store.


Question: Sentence 1: A man in an orange vest works on fixing a train. Sentence 2: A man is wearing a high visibility vest.

Answer:
A man is eating his lunch.