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: Soccer player in white and green dives for the ball as he defends against his opponent in black. Sentence 2: These people are trying out for an MLS team.
answer:
Somebody here is not standing perfectly upright.

question:
Sentence 1: A guy looking at posters displayed outside of a building. Sentence 2: A guy looking at new movie posters.
answer:
A guy looking at posters.

question:
Sentence 1: A boy rides down a slide into a small backyard pool. Sentence 2: A boy goes down a slide on his stomach.
answer:
The men are changing the stone.