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: A girl wearing a pink and black shirt and jeans fixes her hair before walking up the stairs. Sentence 2: A girl is wearing a shirt.

SOLUTION: A girl is bald.

PROBLEM: Sentence 1: A child runs through the grass. Sentence 2: A kid is running outside.

SOLUTION:
A child is sitting on the couch.