TASK DEFINITION: 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.
PROBLEM: Sentence 1: Two guys performing rock concert, one has short blond-hair who is singing, and the second has long blond-hair and is jamming out on his guitar. Sentence 2: the people are performing

SOLUTION: the children sleep in the living room

PROBLEM: Sentence 1: During the election party not all the guest attending are happy. Sentence 2: Some of the guests at the party are unhappy.

SOLUTION: A boy plays with barbie dolls in his bedroom

PROBLEM: Sentence 1: A man is running a race while being watched by others. Sentence 2: a man is running while others watch

SOLUTION:
a man is sitting in his bed