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: Sir Martin Sorrell  #39;very impressed #39; with US group Sir Martin Sorrell, chief executive of WPP, yesterday declared he was  quot;very impressed quot; with Grey Global, stoking speculation WPP will bid for the US advertising company. 
