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: Afghan Refugees Vote in Pakistan, Iran (AP) AP - Afghan refugees thronged polling stations in Pakistan and Iran on Saturday to vote in their war-torn homeland's landmark presidential election  #151; undeterred by explosions at or near two refugee camps.
