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: Court Upholds Patent Ruling Against Maker of BlackBerry A United States appeals court upheld a finding of patent infringement against Research In Motion Ltd. yesterday, but struck down part of the ruling and sent it back to a lower court for further proceedings.
