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: Study: Hubble Robotic Repair Mission Too Costly An exhaustive study of NASA #39;s options for repairing the Hubble Space Telescope suggests the currently planned robotic mission may cost too much money and might not be ready to fly before the vaunted observatory breaks down.

Sci/Tech