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: Iran Ready to Provide Nuke 'Guarantees' (AP) AP - Iran is ready to provide "guarantees" it won't seek nuclear weapons and warned the United States that success in stabilizing Iraq and Afghanistan was impossible without Iranian support, the president said Saturday.

World