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: Former NatWest bankers fear  #39;unfair trial #39; if extradited to US By James Daley in London and Katherine Griffiths in New York. Three former NatWest bankers who are fighting extradition to the US over their alleged involvement in a 4m fraud linked to the collapse of Enron 

Business