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: MICROSOFT AIMS AT IPOD MARKET Microsoft Corp. is fighting to expand its online music share and break the hold Apple #39;s iPod has on the market. Microsoft #39;s MSN music service began a free song promotion yesterday sponsored by American Express.
