instruction:
In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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: Man with a camouflage hat is throwing knives at a target. Sentence 2: an army colonel is throwing knives.
answer:
a man is throwing knives


question:
Sentence 1: A wet dog shaking its self dry. Sentence 2: a puppy comes out of the river
answer:
a wet animal


question:
Sentence 1: Two girls sit back to back. Sentence 2: Two girls are posing for a picture.
answer:

two girls are sitting together.