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.

[EX Q]: 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
[EX A]: A family, grandparents, parents, and children, are not sitting

[EX Q]: Sentence 1: A woman walking a bike down a busy sidewalk. Sentence 2: A person walking a bike down a busy sidewalk.
[EX A]: A man walking a bike down a busy sidewalk.

[EX Q]: Sentence 1: A short-haired male singer wearing a brown buttoned shirt plays the violin and sings on a stage, which is illuminated with a hot pink and blue display. Sentence 2: The singer knows how to play the violin
[EX A]:
The man is hitting a baseball.