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: Fed chief warns on budget, trade gaps Federal Reserve chairman Alan Greenspan yesterday urged the federal government to reduce its budget deficit and encourage greater personal saving, warning that foreign investors will not finance endless growth in America's huge trade gap.

Business