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: Unlike NASA, SpaceShipOne and other private pioneers can afford to &lt;b&gt;...&lt;/b&gt; SpaceShipOne - as much a work of art as a groundbreaking flying machine -as recast the mold for spaceflight established by NASA largely because it doesn #39;t have to worry 

Sci/Tech