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: US Airways: More Turbulence Ahead? Attempting to ward off a second bankruptcy filing, management and pilots of US Airways (Nasdaq: UAIR) took discussions of concessions that might keep the airline afloat through this past weekend.
