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: Fire aboard ex-Navy sub on way to new owner Three sailors were injured yesterday after fire broke out on a submarine sold by the Royal Navy to Canada. Chicoutimi had left Faslane in Scotland on Monday after a lengthy refit as part of the sale of four submarines.

World