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: Norway Searches for Treasured Masterpieces OSLO, Norway - Police fielded a flood of tips but still had no motive Monday for the daring theft of "The Scream" and another Edvard Munch masterpiece by armed robbers who barged into a lightly guarded Oslo museum and ripped the paintings from the walls before the eyes of stunned visitors.    Police, who launched a nationwide hunt for the works, said there had been no word from the thieves, who were widely expected to demand a ransom...

World