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: Report: Colorado Senate Race Costly (AP) AP - Colorado's tight Senate race between Democratic state Attorney General Ken Salazar and Republican beer executive Peter Coors is shaping up to be the most expensive political race in state history, preliminary contribution information shows.

World