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: Iran continues work despite deadline, diplomats say VIENNA -- Raising doubts about its commitment to dispel international distrust, Iran is producing significant quantities of a gas that can be used to make nuclear arms just days before it must stop all work related to uranium enrichment, diplomats said yesterday.
