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: IBM to expand on-demand data centers IBM plans to expand the number of on-demand data centers it has from one to 11 by the end of the year. Users at the AFCOM data center conference in Atlanta had mixed views on the prospect of adopting an outsourcing model or pay-as-you-go pricing.

Sci/Tech