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: 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: A bellhop is pushing luggage around inside a hotel. Sentence 2: A person is moving suitcases around.
answer:
The bellhop is outside smoking a cigarette.


question:
Sentence 1: Two men, dressed in black, are standing on a sidewalk in an urban area while one lights a cigarette. Sentence 2: Two dressed guys outdside.
answer:

Two men light matches and throw them at people.