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: Two dogs play in the surf and one has a red ball. Sentence 2: There are two dogs playing in the water.

SOLUTION: There are two dogs with a blue ball

PROBLEM: Sentence 1: A man pulling a cart filled with many wooden chairs down a city street. Sentence 2: A man is in a city.

SOLUTION: A man is pulling an empty cart.

PROBLEM: Sentence 1: A toddler eats a green apple in his playpen outside. Sentence 2: A toddler eats fruit outdoors.

SOLUTION:
A toddler has nothing to eat.