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Commercially viable natural deposits of graphite occur in many parts of the world , but the most important sources economically are in China , India , Brazil and North Korea .
 location: China; location: India; location: Brazil; location: North Korea
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: China, India, Brazil, North Korea 
Answer:
 location: China; location: India; location: Brazil; location: North Korea