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: Suicide bomber kills 47 in Baghdad A massive car bomb demolished a streetside market near a police recruiting station in the Iraqi capital yesterday, killing 47 persons and wounding at least 88 -ost of them aspiring officers.

World