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: Russia warns about elections; UN fears for civilians MOSCOW -- The intense US-led assault on Fallujah could undermine Iraq's upcoming elections, the Russian Foreign Ministry warned yesterday, and the UN refugee agency expressed concern about the tens of thousands of civilians who have fled the besieged city.
