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: Editorial: A vote of confidence According to Alan Greenspan, the Federal Reserve chairman, the high amount of private debt being carried by Americans is not so scary because most people can  quot;calibrate their borrowing and spending to minimize financial difficulties.
