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: OPEC elects Sheikh Ahmad al-Sabah as a President, increase oil &lt;b&gt;...&lt;/b&gt; OPEC has extended a message to calm down to the oil consuming countries following an agreement by its countries in Vienna to increase the ceiling of oil production by 4, which means an increase of one million barrels a day, in the hope to reduce prices.

Business