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Guy Trouveroy is a Belgian diplomat and is the current Ambassador of Belgium to Russia , presenting his credentials to Russian President Dmitry Medvedev on 12 October 2009 .
 person: Guy Trouveroy; location: Belgian; person: Dmitry Medvedev
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: Guy Trouveroy, Belgian, Dmitry Medvedev 
Answer:
 person: Guy Trouveroy; location: Belgian; person: Dmitry Medvedev