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 playing ball at sunset. Sentence 2: A man is playing ball.

SOLUTION: A man is swimming in the pool.

PROBLEM: Sentence 1: Bearded man playing a game with toy soldiers, tanks and a dice with a soldier and a bomb painted on it. Sentence 2: A man with a beard plays with several military-related toys.

SOLUTION: A young woman plays with a doll.

PROBLEM: Sentence 1: A football player in green tackles a football player in white. Sentence 2: Two football players playing

SOLUTION:
Two players playing volleyball