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 mulls \$28-30 price band: Qatar KUWAIT CITY - Opec is considering raising its price band to between 28 and 30 dollars a barrel, Qatar #39;s Energy Minister said in comments published yesterday, ahead of a crucial meeting of the group.

Business