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: Kenteris, Thanou Quit Games; Thorpe Record Bid Fails (Update6) Aug. 18 (Bloomberg) -- Olympic medalists Kostas Kenteris and Ekaterini Thanou quit the Athens Games, overshadowing the start of track and field events on the fifth day of competition. Venus Williams and Andy Roddick were eliminated from the tennis. 

Sports