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].
Example: Comets, Asteroids and Planets around a Nearby Star (SPACE.com) SPACE.com - A nearby star thought to harbor comets and asteroids now appears to be home to planets, too. The presumed worlds are smaller than Jupiter and could be as tiny as Pluto, new observations suggest.
Example solution: Sci/Tech
Example explanation: The topic of the news article is relevant to science(astronomy). Hence, the label is 'Sci/Tech'.

Problem: New Microsoft search engine opens war for Internet dominance WASHINGTON (US): Microsoft #39;s new search engine launched Thursday opens a new front for the world #39;s biggest software company in a new war -- for control of the Internet, analysts said.

Solution: Sci/Tech