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: Russia and Iran close to nuclear fuel deal Russia and Iran could sign an agreement on nuclear fuel supplies to Iran soon, Russian Foreign Minister Sergey Lavrov said. According to him, the agreement on the return of spent nuclear fuel to Russia is in its final stages.

World