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: The Incredible Lightness of Being OPEC From a distance, this OPEC meeting will look just like all the others of the past few decades. By the evening of Sept. 14, the oil ministers of the Organization of Petroleum Exporting Countries and their entourages 

Business