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 woman is wearing a dust mask on her mouth whilst walking in the street. Sentence 2: There is a woman walking in the street

Answer: There is a woman walking on the sidewalk


Question: Sentence 1: A man in his office, is staring intently at the computer screen, while holding a red pen in his left hand. Sentence 2: A man in his office, is staring intently at the computer screen

Answer: A man in his office, is not staring intently at the computer screen


Question: Sentence 1: Fireman fighting a fire. Sentence 2: People fighting a fire

Answer:
No fire.