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: Most Airlines Raise Fares Due to Fuel  DALLAS (Reuters) - A fare hike that raises tickets by $5  each way announced by American Airlines earlier this week to  offset record high jet fuel appears to be sticking among other  U.S. airlines, an industry source said on Friday.
