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: Former CEO of China Aviation Oil (Singapore) returns to Singapore Chen Jiulin, former CEO of China Aviation Oil (Singapore) Corp., returned to Singapore on December 8 to help investigate the company #39;s huge-sum losses on derivatives trades.
