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: S.Korea,Japan Urge North to Resume Nuclear Talks (Reuters) Reuters - Leaders of Japan and South Korea\jointly urged North Korea on Friday to return to talks aimed at\ending its nuclear weapons program and agreed imposing economic\sanctions now on Pyongyang would thwart such efforts.

World