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: Bush, Kerry Trade Charges Before Debate (AP) AP - In a last-minute flurry of accusations before their final debate, John Kerry tried to tie President Bush to record oil prices while the president charged that his Democratic opponent has totally misunderstood the war on terror.
