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 young man in a blue shirt and white shorts sitting with his guitar. Sentence 2: A man sits with his guitar.

SOLUTION: A man sits with his pet unicorn in the grass.

PROBLEM: Sentence 1: a biker enjoys a coffee. Sentence 2: A person is having a beverage.

SOLUTION: A biker is drinking beer and playing pool with his friends.

PROBLEM: Sentence 1: A man wearing an apron stands before some food and holds a blue container. Sentence 2: A man is storing food.

SOLUTION:
A man is eating soup.