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: Lenovo Mulling Purchase of IBM PC Business Lenovo Group stayed silent Friday about reports it is talking with IBM Corp. about buying the US company #39;s personal computer business, but an executive hinted that the Chinese company is looking to expand its PC operations.

Business