Teacher: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. 
Teacher: Now, understand the problem? Solve this instance: Serena, Kuznetsova Reach WTA Beijing Final, Zvonareva Cries Out It was the US Open all over again Saturday at the WTA stop in Beijing: Serena Williams and Svetlana Kuznetsova working their way toward the final, and Russian Vera Zvonareva breaking down in tears during her match.
Student:
1