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: IAEA Inspectors in S.Korea for 2nd Investigation (Reuters) Reuters - Inspectors from the U.N. nuclear watchdog\arrived in Seoul on Sunday to conduct a second inspection of\South Korea's nuclear experiments, a day after the South said\it had no plans to develop or possess nuclear weapons.

World