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 family, grandparents, parents, and children, are sitting in front of a fireplace and a christmas tree opening presents. Sentence 2: A family, grandparents, parents, and children, are sitting
answer:
A family, grandparents, parents, and children, are not sitting


question:
Sentence 1: Man wearing hat and glasses working on a bicycle. Sentence 2: A man is working on his bike.
answer:
A person is riding his bicycle on the street.


question:
Sentence 1: A couple browsing a corner store. Sentence 2: A couple are purchasing from the corner store.
answer:

The man and woman eating in a restaurant.