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: This woman is horseback riding on a sunny afternoon. Sentence 2: A woman ride a horse outside.
answer:
A woman eats a horse in the dark.


question:
Sentence 1: Two young girls sparring in white martial arts outfits while a third person watches from the side. Sentence 2: Two youthful females exercise in white canvas karate gear and another person keeps an eye on them.
answer:

Two girls are wearing boxing outfits.