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: Greenspan: 2004 Oil Prices No  #39;74 Flashback Will today #39;s careening crude oil prices reprise That  #39;70s Show? Not according to Alan Greenspan. The Federal Reserve chairman said this year #39;s price climbs will likely have a far gentler impact on the economy 

Business