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: UN staff in Iraq; The nuclear imbalance; Policing the world The United Nations Staff Union, in response to David Malone #39;s  quot;Nobody said it would be safe, quot; (Views, Oct. 1), would like to point out that around 30 UN staff members have already been deployed to Iraq - a 

World