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: Teams threaten Ecclestone #39;s empire Bernie Ecclestone #39;s formula one empire was under threat last night after an alliance of car manufacturers announced they would set up a rival world championship series by 2008 to give a fairer financial deal to all the competing teams.

Sports