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: A young man sits with his elbows on his legs while he reads a book. Sentence 2: A teenager is flipping through a book in the library.
answer:
A book reader is engrossed in his book.


question:
Sentence 1: A man in a judge costume stand on a red truck and hangs a dummy. Sentence 2: A radical group of anarchists is staging a mock trial and execution to make a political statement.
answer:
An effigy hanging.


question:
Sentence 1: Girl in a blue sweater holding her own hands. Sentence 2: A girl in a sweater tries to warm her hands
answer:

A girl sits clutching her hands together