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: Australian PM to crackdown on unions (AFP) AFP - Australian Prime Minister John Howard has vowed to use his government's expanded control over parliament to push through industrial relations, laws which unions said would be the most restrictive in the western world.
