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 high jumper is in the middle of her jump while still holding the pole. Sentence 2: A woman is high jumping.

SOLUTION: A person is holding a pole.

PROBLEM: Sentence 1: Two men with long hair are sitting on the ground. Sentence 2: Two guys are sitting waiting for a bus.

SOLUTION: Two guys are sitting down.

PROBLEM: Sentence 1: Merchants and customers at a market. Sentence 2: A merchant is selling meat at a market

SOLUTION:
A group of people are browsing a merchant's wares