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: Cell Signaling Technology Carlos Del Castillo, IT manager at Cell Signaling Technology, drove the effort to move the company to Macs. Now  #147;no one worries about the system anymore, #148; he says.  #147;They #146;re concentrating on their work, using the Mac as a tool rather than as a computer. #148; Also, check out Why Mac for Science and other new features on the Science site.\ Nov 04

Sci/Tech