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: Iraq blast death toll rises to 18 At least 18 people were killed in a suicide bombing on Saturday, capping a week of horrific violence in Iraq as al-Qaeda-linked militants threatened to kill two American and a British hostage in 48 hours.
