Definition: In this task, you are given a news article. Your task is to classify the article to one out of the four topics 'World', 'Sports', 'Business', 'Sci/Tech' if the article's main topic is relevant to the world, sports, business, and science/technology, correspondingly. If you are not sure about the topic, choose the closest option. Note that URLs in the text have been replaced with [Link].
Input: IBM puts PC business up for sale IBM, the company that invented the PC, has put its PC business up for sale, according to the New York Times, and is in discussions with China #39;s largest maker of personal computers, Lenovo Group (formerly Legend Group), and at least one other potential 

Business