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: China says speculation imperils yuan reforms BEIJING, NOVEMBER 29: Chinas central bank slammed speculators in the foreign exchange market on Monday, saying those pouring money into the yuan currency in search of profits could undermine efforts to make it more flexible.
