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: Iraqi insurgents inflict relentless attack Insurgents pressed their attack on US troops and Iraq #39;s security forces Saturday, killing five Iraqi police officers and wounding 14 American soldiers in a relentless effort to derail next month #39;s elections.
