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: Fed Debates Policy for Post-Greenspan Era (Reuters) Reuters - Battle lines are drawn at the Federal Reserve between those who favor formal inflation goals and those who don't, and the debate is heating up ahead of the coming retirement of Chairman Alan Greenspan.
