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: Wirdheim off to America Sweden #39;s Bjorn Wirdheim, who was Jaguar Racing #39;s test and reserve driver will not be continuing with Red Bull Racing. Wirdheim had been due to run in the test at Barcelona and at Jerez but the team has now decided to continue with Vitantonio Liuzzi.

Sports