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: The Former Cat Stevens Gets Plane Diverted WASHINGTON - A London-to-Washington flight was diverted to Maine on Tuesday when it was discovered passenger Yusuf Islam - formerly known as singer Cat Stevens - was on a government watch list and barred from entering the country, federal officials said.    United Airlines Flight 919 was en route to Dulles International Airport when the match was made between a passenger and a name on the watch list, said Nico Melendez, a spokesman for the Transportation Security Administration...

World