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: Klitschko defends WBC heavyweight title LAS VEGAS Vitali (VIH #39;-tah-lee) Klitschko defended his WBC heavyweight title with a ninth-round TKO over Danny Williams last night in Las Vegas.
