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: Large Asteroid Will Make Its Closest Approach to Earth Wednesday  quot;This is the closest Toutatis will come for another 500 years, and its orbit is very well known, quot; said Dr. Don Yeomans of NASA #39;s Jet Propulsion Laboratory (JPL), Pasadena, Calif.

Sci/Tech