Instructions: 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: Gaza Gunmen Kidnap Senior Palestinian Official  GAZA (Reuters) - Palestinian gunmen kidnapped a top  security official in the Gaza Strip on Thursday in a fresh  challenge to President Yasser Arafat's rule amid a wave of  unrest.
Output:
0