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: More cold cash for gas heating US demand for natural gas this winter is expected to increase 4.4 percent from last year, and prices should be higher even though inventories will be near record levels at the start of the heating season, a industry trade group said 
