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: N.H.L. to Lock Out Players on Thursday The National Hockey League will lock out its players Thursday, threatening to keep the sport off the ice for the entire 2004-05 season.

Sports