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: Ammo Outpost Assumes Key Role Because of the large scale of the offensive operation in Fallujah, the ammo guys have been working nearly nonstop, trying to fill orders for U.S. and Iraqi security forces who continued Sunday to battle the last holdouts of insurgents and foreign fighters.
