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 man in a lab coat wearing glasses and looking at a computer monitor. Sentence 2: A tall human wearing glasses
answer:
A human wearing glasses


question:
Sentence 1: A man sits in a brown shirt, playing a wooden looking guitar with microphone stands on his sides. Sentence 2: A man is sitting in a large brown shirt.
answer:
A man is sitting in a brown sh irt.


question:
Sentence 1: All of these children are sitting, while another jumps up in the air. Sentence 2: Children are playing a game.
answer:

One child is jumping while the others sit.