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: Sharapova falls; Agassi, Federer in fourth round Roger Federer, of Switzerland, returns to Fabrice Santoro, of France, at the US Open tennis tournament in New York on Saturday. NEW YORK - Maria Sharapovas drive to win another Grand Slam title got dashed 

Sports