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: Mullen: Does Biogen Want More From Elan Than Drug Partner? Could a jointly marketed drug lead to a joint company? Ireland #39;s Sunday Tribune said yesterday that US pharmaceuticals company Biogen Idec (nasdaq: BIIB - news - people ) was looking to make an all-stock bid 

Business