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 young girls jumping and having fun on a trampoline in a backyard setting. Sentence 2: Two children are playing on a trampoline.

SOLUTION: Three children are jumping on a trampoline.

PROBLEM: Sentence 1: A young girl is sleeping on the sofa, amidst a bunch of pillows. Sentence 2: A girl is asleep.

SOLUTION: A young girl talks on the phone.

PROBLEM: Sentence 1: Several people in a semicircle are holding folders and singing in a wooded area with many people in the background. Sentence 2: There are many people singing.

SOLUTION:
People sitting in a circle around a fire talking in the woods