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: S.Koreans Clash with Police on Iraq Troop Dispatch (Reuters) Reuters - South Korean police used water cannon in\central Seoul Sunday to disperse at least 7,000 protesters\urging the government to reverse a controversial decision to\send more troops to Iraq.

World