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: Trend Micro offers mobile security for free Trend Micro, a rival anti-virus firm to Symantec, made an announcement stating that it will offer its anti-virus and anti-spam security software for free to users until June, 2005.

Sci/Tech