TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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 woman making several beaded necklaces. Sentence 2: A lady makes necklaces to sell online.

SOLUTION: Someone is making jewelry.

PROBLEM: Sentence 1: There is a stand under a large blue and red umbrella with a large assortment of produce and there are several people looking through the produce. Sentence 2: The produced is at a farmer's market.

SOLUTION: There is a lot of produce.

PROBLEM: Sentence 1: A man demonstrating how a computer system works. Sentence 2: A man demonstrating how a computer system works to his colleges.

SOLUTION:
A computer system demonstration.