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: Sudan Talks in Nigeria Said Deadlocked (Reuters) Reuters - After two weeks of talks to end the\crisis in Sudan's Darfur region, government and rebel\negotiators remain far apart on key security issues, including\disarming warring factions, rebels and diplomats said on\Monday.

World