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 Gives Shanghai a Real Surprise (washingtonpost.com) washingtonpost.com - IBM's decision to sell its personal computer business to China-based Lenovo gives the world's third-largest nation the distinction of housing what will soon be the world's third-largest PC maker. On a deeper level, the deal also marks a changing of the guard in the PC business and rearranges the game board for rivals Dell and Hewlett-Packard.

Sci/Tech