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He won the silver medal at the 2010 European Taekwondo Championships held in St. Petersburg , Russia .
 location: St. Petersburg; location: Russia
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: St. Petersburg, Russia 
Answer:
 location: St. Petersburg; location: Russia