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 Asian people are walking on a busy street. Sentence 2: A bunch of Asians are walking down the street.

SOLUTION: The group of people are seated in the restaurant.

PROBLEM: Sentence 1: A woman singing into a microphone and a man in dreadlocks behind her. Sentence 2: A woman sings into a microphone.

SOLUTION: A man in dreadlocks kills the singing woman.

PROBLEM: Sentence 1: A dog runs in a race. Sentence 2: A dog racing in a race.

SOLUTION:
A dog chasing after a cat.