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: Brazil's Ruling Party Faces Sao Paulo Run-Off Vote  SAO PAULO, Brazil (Reuters) - President Luiz Inacio Lula da  Silva's Workers' Party (PT) won the mayoralty of six state  capitals in Sunday's municipal vote but was forced into a  run-off to defend its hold on the race's biggest prize, the  city of Sao Paulo.
