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: Captors urged to set Japanese free Japan #39;s Foreign Minister Nobutaka Machimura has urged the captors of Shosei Koda in Iraq to set him free. In an interview to Aljazeera #39;s correspondent in Tokyo on Wednesday, he said,  quot;Koda is a civilian who 

World