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: Montgomery, Gaines doping cases postponed A hearing in the doping cases of US sprinters Tim Montgomery and Chryste Gaines that had been set for next week was postponed at the request of all parties, the Court of Arbitration for Sport said Friday.

Sports