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: Gates Contributes to Stem Cell Campaign (AP) AP - Microsoft Corp. chairman Bill Gates contributed  #36;400,000 to the campaign backing a California ballot measure that would make billions of dollars available for human embryonic stem cell research and cloning projects in the state, according to campaign records.
