instruction:
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.
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: Bald woman wearing glasses reads to four men and one woman. Sentence 2: A person reading.
answer:
The city streets are very quiet


question:
Sentence 1: Three people windsurfing in the ocean, and one is airborne. Sentence 2: Three people are windsurfing.
answer:

Two people are not windsurfing.