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: Cambodia #39;s King to Step Down Cambodia #39;s ailing King Norodom Sihanouk has issued a statement of abdication following nearly a year of self-imposed exile. Citing previous health concerns and a  quot;new and serious ailment, quot; the long-ruling 

World