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: Arsenal, Manchester Rivalry Heating Up (AP) AP - The rivalry between Arsenal and Manchester United is getting downright nasty. Accusations of vicious fouls, cheating, refereeing mistakes and a disputed penalty kick followed the latest confrontation between two of the giants of English soccer  #151; a 2-0 victory by Manchester United that ended Arsenal's record unbeaten streak of 49 games in the Premier League.

Sports