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: Paris report: Open-source move could be costly It won #39;t be  quot;all or nothing quot; and it won #39;t be  quot;everything, right away. quot; That #39;s the gist of the message coming out of Paris following the presentation of a report on a possible switch from Windows to open source.

Sci/Tech