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: Bloomberg Columnists Wal-Mart Stores Inc. isn #39;t just working to woo Japanese shoppers -- it #39;s doing a little shopping of its own in the No. 2 economy.
