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: U.S. Wildlife Refuges Facing Threats (AP) AP - A sweeping wildlife preserve in southwestern Arizona is among the nation's 10 most endangered refuges, due in large part to illegal drug and immigrant traffic and Border Patrol operations, a conservation group said Friday.
