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: When the Northern Lights Moved South Our atmosphere is home to many stunning optical phenomena; rainbows, lightning and fiery red sunsets to name but a few. For many, the Northern Lights, or Aurora Borealis 
