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: Microsoft #39;s Xbox sequel  #39;Halo 2 #39; goes on sale at midnight The company says thousands of retailers across the country are planning  quot;midnight madness quot; sales for eager gamers. Microsoft says it has 1.5 million pre-orders for the sequel to the popular  quot;Halo quot; game, which sells for \$50.

Sci/Tech