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 young man sits with his elbows on his legs while he reads a book. Sentence 2: A teenager is flipping through a book in the library.

SOLUTION: A book reader is engrossed in his book.

PROBLEM: Sentence 1: A woman in a red apron watches as a man in a black apron cracks eggs. Sentence 2: An old woman watching a man cook breakfast.

SOLUTION: A person watching someone crack eggs.

PROBLEM: Sentence 1: Some men working around a business street marquis, there is a caution tape, one of the cones holding the tape is knocked over. Sentence 2: The orange traffic cone is tipped over.

SOLUTION:
The men are working on the street and a cone is knocked over.