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 jumping over a yellow pole in an obstacle course Sentence 2: A dog jumping over an object.

SOLUTION: A cat is drinking milk.

PROBLEM: Sentence 1: Two teenagers are playing wrestling game in the park. Sentence 2: People are playing.

SOLUTION: Teenagers are playing basketball in the gymnasium.

PROBLEM: Sentence 1: A man stands at the edge of the water on a beach looking into the horizon. Sentence 2: a man is at the beach looking at the horizon

SOLUTION:
A man is at the park