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 black dog running in the grass. Sentence 2: The black dog is running.

SOLUTION: The white dog is running.

PROBLEM: Sentence 1: A man reads a book while sitting in a laundry facility. Sentence 2: The man sitting in the laundry facility reads a book.

SOLUTION: The woman watches TV while sitting in a laundry facility.

PROBLEM: Sentence 1: Couple in shadow walks away from a lit storefront toward camera Sentence 2: The couple are walking.

SOLUTION:
Two people are sneaking around in the alley.