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 guy with brown hair in a plaid shirt and jeans is playing a guitar on a street corner. Sentence 2: The musician is playing a popular pop song.

SOLUTION: The busker is hoping to make some money.

PROBLEM: Sentence 1: Dog training on the mountain Sentence 2: A dog is taking a class.

SOLUTION: A dog is on a mountain.

PROBLEM: Sentence 1: A brown, rounded bench is in front of a small wooden desk with paper pads, a candle, small vase, and salt and pepper shakers on it. Sentence 2: Their is a checkered tablecloth on top of the desk.

SOLUTION:
The desk is meant for someone to eat at.