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: Biogen, Elan merger rumors persist Biogen Idec in Cambridge is rumored to be in talks to buy or merge with Elan Corp. in Ireland, though the later company denies any such conversation is taking place, Bloomberg News is reporting.

Business