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: U.S. Judge Approves Citigroup Settlement  NEW YORK (Reuters) - A federal judge on Friday approved  Citigroup Inc.'s $2.6 billion settlement with  WorldCom Inc.  investors who lost billions when an accounting scandal plunged  the telecommunications company into bankruptcy protection.
