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: US, Iraqis Discuss Aid to Najaf, Baghdad BAGHDAD, Iraq Aug. 31, 2004 - US and Iraqi officials on Tuesday discussed ways to step up aid to Najaf and a war-battered neighborhood in Baghdad after rebel cleric Muqtada al-Sadr called on his followers to end their uprising.
