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: NEC launches worlds fastest supercomputer TOKYO, Japan -- Japanese electronics giant NEC Corp., said it has begun selling the worlds fastest supercomputer. NEC claimed its SX-8 is the most powerful vector-type supercomputer, with a sustainable 

Sci/Tech