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: Clashes, Car Bomb Leave 10 Dead in Beiji (AP) AP - A car bomber rammed into a U.S. convoy Wednesday as American forces battled militants north of Baghdad, leaving a total of at least 10 people dead, witnesses said.

World