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: Woman in white in foreground and a man slightly behind walking with a sign for John's Pizza and Gyro in the background. Sentence 2: They are walking with a sign.

SOLUTION: A man and a soman are eating together at John's Pizza and Gyro.

PROBLEM: Sentence 1: A person in a long-sleeved striped top stands near a cat in front of a glass-doored beverage cooler in a store. Sentence 2: A person stands near a cat in a store.

SOLUTION: A dog sleeping by his owner at a park.

PROBLEM: Sentence 1: A girl with a purple mo-hawk pointing. Sentence 2: The girl is pointing.

SOLUTION:
The girl has a blue mohawk.