Definition: In this task, you're given a short article. Your job is to classify the article based on its category. Use the following classification labels, 0. World, 1. Sports, 2. Business, 3. Science or Technical. Label the text "0" if it contains information related to world. Label the text "1" if it contains information related to sports. Label the text "2" if it contains information related business. Label the text "3" if it contains science or technical related information. 
Input: Zafi worm proves a holiday pest The mass-mailing Christmas e-card virus Zafi.D is clogging huge amounts of bandwidth and now accounts for one in 15 of all e-mails, antivirus companies said on Thursday.
