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: Update 8: Wal-Mart Lowers Sales Forecast for August Wal-Mart Stores Inc., the world #39;s largest retailer, lowered its sales forecast for August, citing slow back-to-school sales and the effects of Hurricane Charley.
