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: Shuttle return to flight delayed Blaming the busy hurricane season, NASA has announced that it will delay the space shuttle #39;s return to space from March or April to a launch in May or July next year.

Sci/Tech