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 young man in a blue shirt and white shorts sitting with his guitar. Sentence 2: A man sits with his guitar.
answer:
A man sits with his pet unicorn in the grass.


question:
Sentence 1: A person wearing a hat and baggy pants is skateboarding on cement. Sentence 2: A human rides a skateboard.
answer:
An old man falls off a skateboard.


question:
Sentence 1: Three women and one man are standing in shoulder high water while a lot of steam blows off the surface of the water in the background. Sentence 2: a group of people stand in the water.
answer:

a group of people sit on the beach.