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 players collide during a recent roller derby match. Sentence 2: There are two players in the match.

SOLUTION: Some players watching tv.

PROBLEM: Sentence 1: A classic propeller-driven airplane flies in the distance as two men play with a remote-controlled toy airplane in a field in the foreground. Sentence 2: Two men are playing with a toy airplane.

SOLUTION: A woman and Man are dancing in the store.

PROBLEM: Sentence 1: A crowd of people in a city neighborhood. Sentence 2: A crowd of people in a city

SOLUTION:
A crowd of people in a tiny boat