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 boy selling lemonade for$ 1 rides his bike with no hands as he advertises his product to a long line of people. Sentence 2: The  boy is selling lemonade for a $1.

SOLUTION: A boy selling cookies to a group of people.

PROBLEM: Sentence 1: A man playing ball at sunset. Sentence 2: A man is playing ball.

SOLUTION: A man is swimming in the pool.

PROBLEM: Sentence 1: Tourists taking a break from shopping. Sentence 2: The tourists are relaxing.

SOLUTION:
The tourists are playing soccer.