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: Chance to try out new MSN Messenger Web surfers in the United States and five other countries will be invited this week to begin using a new version of MSN Messenger that includes a search function in the message window, reports on the Web said.

Sci/Tech