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: Bombers kill 10 in  #39;safe #39; zone Suicide bombers penetrated the headquarters of allied forces in Iraq for the first time yesterday, killing 10 people and provoking an urgent review of security in Baghdad #39;s Green Zone.
