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 girl in a pink sweatshirt goes to sit at a table while a boy watches. Sentence 2: the girl in pink went to sit at a table as a boy was looking at her

SOLUTION: the little girl  was riding the merry go round at a carnival

PROBLEM: Sentence 1: A woman is doing a trick while jumping off a diving board. Sentence 2: A lady is spending a day at the pool.

SOLUTION: A woman in a bathing suit is reclining by the pool reading a magazine.

PROBLEM: Sentence 1: A man wearing a cowboy hat holds a beer while attempting to hammer a nail. Sentence 2: The man wearing the hat holding a beer and a hammer.

SOLUTION:
The cowyboy has a beer and attempted to hammer a nail but instead he hammered his finger.