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: Handheld Satellite Radio Receiver is Unveiled XM Satellite Radio and radio manufacturer Delphi Tuesday introduced the Delphi XM MyFi, the latest entry in the battle over digital music, pitting XM against Sirius Satellite Radio and on-line music sources like Napster.\     &lt;FONT face="verdana,MS Sans Serif,arial,helvetica" size="-2"\ color="#666666"&gt;&lt;B&gt;-The Washington Post&lt;/B&gt;&lt;/FONT&gt;

Sci/Tech