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: Bagle Is Still Biting New versions of the Bagle worm are rolling onto the Internet, prompting antivirus companies to warn customers about the threat and to push out software updates to spot the new worms.

Sci/Tech