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: Amazon offers discount to A9 search users Online retailer Amazon.com Inc is offering a 1.57 per cent shopping discount to registered users of its new A9 Web search service as a way to increase A9 use and promote buying on Amazon, the company #39;s Web site showed on Friday.

Sci/Tech