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: British troops in Iraq head north on risky mission (AFP) AFP - A battle group of British troops rolled out of southern Iraq on a US-requested mission to deadlier areas near Baghdad, in a major political gamble for British Prime Minister Tony Blair.
