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They were subsequently turned into hired servants by the Tsarist Russia n imperial family , the Romanov s. In fact , the Afro-Russian assistants in the Romanov estates rose in prominence , and often received an education .
 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: Russia 
Answer:
 location: Russia