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 snowboarder in black and yellow is jumping on a purple snowboard. Sentence 2: There is a snowboarder wearing black and yellow doing a jump

SOLUTION: There is a snowboarder wearing black and green

PROBLEM: Sentence 1: The basketball player prepares to launch the ball to his teammate far down the court. Sentence 2: The player has the ball.

SOLUTION: The man is playing soccer.

PROBLEM: Sentence 1: Two girls bundled up in winter coats pose for a picture. Sentence 2: Girls in winter taking a picture

SOLUTION:
Girls taking pictures of each other