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: Children are competing in a potato sack race at an outdoor social gathering. Sentence 2: Children participate in a potato sack race.

SOLUTION: Children play baseball.

PROBLEM: Sentence 1: An old man with a multicolored hat standing is standing front of a earth toned mosaic sign, with foreign language in the tiles. Sentence 2: The old man is close to the sign

SOLUTION: A young woman sitting against a blank wall

PROBLEM: Sentence 1: A man in a gray shirt is talking to another person wearing a black shirt. Sentence 2: Two people talking to each other wearing clothes.

SOLUTION:
Three guys fighting in the street over a misunderstanding.