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: Spain on top in Seville Rafael Nadal has repaid the faith shown in him by defeating Andy Roddick in four sets to hand Spain a 2-0 lead after the first day of the Davis Cup final in Seville.

Sports