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: Appetite for Dollar Will Wane (Reuters) Reuters - Investors' appetite for U.S. assets\will eventually dwindle and the United States must reduce its\budget deficit to prevent major economic damage, Federal\Reserve Chairman Alan Greenspan said on Friday, in remarks that\hit the dollar hard.

Business