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: Black and white dog chewing on a canon camera setting in the grass the camera is black and white. Sentence 2: The dog was chewing on the black white camera while sitting on the grass.

SOLUTION: The dog was playing in the water.

PROBLEM: Sentence 1: Many people on a street while vendors sell items. Sentence 2: The vendor is selling items on a street.

SOLUTION: The vendor is inside a museum.

PROBLEM: Sentence 1: Boys and girls are kneeling and looking through sights while one is bent over and adjusting something in his or her lap. Sentence 2: Human kneeling

SOLUTION:
Nobody is kneeling