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 unimpressed by Lewis comeback hint By Anthony Evans in Las Vegas pic by Mr Will : WBC heavyweight champion Vitali Klitschko has welcomed the news that bitter rival Lennox Lewis is considering a comeback with derision.
