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: US Continues Major Attack on Fallujah A US Army soldier watches from atop his armoured vehicle as smoke rises in background after his unit destroyed a seized Katyusha rocket in Baghdad, Iraq, Sunday Oct. 17, 2004.

World