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: Biffle, Martin give Roush 1-2 punch at Michigan BROOKLYN, Mich. (SportsTicker) - Greg Biffle took over the lead with 17 laps left and held off teammate Mark Martin to win the NASCAR Nextel Cup Series GFS Marketplace 400 at Michigan International Speedway on Sunday.

Sports