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: American Fish Confident About Tough Davis Cup Final  MADRID (Reuters) - The U.S. Davis Cup team is gearing up  for a tough final against strong Spanish opponents on an  unfavorable surface but are optimistic about beating their  hosts, said their semi-final team member Mardy Fish.

Sports