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 man wearing a black shirt, jeans, and skate shoes is jumping near a pond. Sentence 2: The man is jumping.
answer:
The man is standing still.


question:
Sentence 1: Group of runners participate in a marathon. Sentence 2: People are running.
answer:
People are sitting in a library.


question:
Sentence 1: two dogs play together. Sentence 2: Two dogs are playing.
answer:

Three dogs are playing together.