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: Mexico's Ex-Ruling Party Wins Two Races (AP) AP - Mexico's former ruling party, trying to fight its way back to the presidency, overwhelmingly won two gubernatorial elections Monday and held razor-thin leads in two other races.

World