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: Over 35 killed in car bombing at Baghdad police station More than 35 people were killed when a car bomb exploded at a police station and recruitment center in Haifa Street in central Baghdad, witnesses said.

World