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: Ameritrade customer trading up 26 pct in Nov. Online brokerage Ameritrade Holding Corp. (AMTD.O: Quote, Profile, Research) said on Friday that customer stock trading activity surged 26 percent during November, and has risen 
