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: Grocery workers #39; vote halted in Colorado SAN FRANCISCO (CBS.MW) -- The union representing about 17,500 grocery workers in Colorado halted a contract vote late Friday out of concern that some bargaining units might approve the pact, according to a published report.
