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: A man in a black shirt and jeans is barbecuing outdoors. Sentence 2: A man is outside cooking on the grill.

SOLUTION: A man sits on the couch and reads.

PROBLEM: Sentence 1: Compact cars line the streets and a series of tents is set up along one sidewalk. Sentence 2: There are tents next to the sidewalk.

SOLUTION: There are only buses along the street.

PROBLEM: Sentence 1: A young smiling woman is having fun on a rustic looking swing. Sentence 2: A woman is outside playing

SOLUTION:
A woman is answering a question in school.