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: Four people in safety clothes walk next to a barricade at a construction site. Sentence 2: The people are outside.

SOLUTION: The people are asleep.

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: A woman with long hair is catching a softball in a softball field. Sentence 2: The woman is outside.

SOLUTION:
The woman has a crew cut and is sitting watching television.