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: Iraqis, U.S. Hail Falluja Success, Threats Remain  FALLUJA, Iraq (Reuters) - U.S. Lieutenant-General John  Sattler declared on Thursday his forces had "broken the back of  the insurgency" in Falluja, but U.S. troops still faced dangers  in the city and guerrillas attacked elsewhere in Iraq.

World