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A native of the northeastern city of Shumen , Sakazov went abroad for studies during his youth , studying in Western Europe and Russia .
 location: Shumen; person: Sakazov; location: Russia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Shumen; person: Sakazov; location: Russia