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 person in a dark outfit is walking down a stairwell which contains a shadow of an object. Sentence 2: Wearing dark clothes, the person walked down the stairs.

SOLUTION: The man ran up the stairs, all the while not knowing whom he was chasing, although floodlights brightly lighted the stairwell.

PROBLEM: Sentence 1: Some women are playing beach volleyball Sentence 2: The women played on the beach.

SOLUTION: The women were skiing.

PROBLEM: Sentence 1: A man talks to a laughing woman at a restaurant. Sentence 2: Two people talk at a restaurant.

SOLUTION:
A man talks to a laughing woman on the bus.