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: Oil Chemical Cleared of Damaging N.Sea Fish-Study (Reuters) Reuters - Water spilled into the North Sea from offshore oil and gas drilling is less of a threat to fish than previously thought, a Norwegian study showed on Thursday.
