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 won #39;t abandon nuclear program Iran #39;s top nuclear negotiator says Tehran will never completely abandon its uranium enrichment activities. At a news conference on Tuesday, Hasan Rohani said the current suspension will last only as long as negotiations continue with Europe.

World