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: Yukos hits back with legal action against Kremlin The core shareholder group of the Russian oil company Yukos has launched legal proceedings against the Kremlin under the international energy charter and says it will sue the company that wins its main production unit at auction next month, in a last 

Business