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: UPDATE 1-Button breaks silence over Williams move Jenson Button broke his silence on Monday to spell out the reasons behind his controversial and contested decision to leave the BAR Formula One team for Williams.

Sports