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: NASA to relaunch space mission The United States is to resume its space shuttle program next year after the Columbia shuttle tragedy in 2003. The National Aeronautics and Space Administration, or NASA, announced 

Sci/Tech