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 group of ladies walk down a busy sidewalk. Sentence 2: A group of people walk on a sidewalk.

SOLUTION: A group of women lead a riot.

PROBLEM: Sentence 1: 2 people preparing coffee at a shop. Sentence 2: Two people make coffee.

SOLUTION: Two people make pancakes at a diner.

PROBLEM: Sentence 1: A brown and white dog running off of an obstacle. Sentence 2: A dog is running off of an obstacle.

SOLUTION:
The cat is running off of an obstacle.