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: NTT DoCoMo, Cingular to link in 3G cellphone business Japan #39;s NTT DoCoMo will join hands with Cingular Wireless of the United States, aiming to unify technical specifications for third-generation (3G) cellphones and services.
