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former russian president boris yeltsin takes readers behind closed doors at the kremlin in his new book .
 geographical social political: russian; person: former russian president; person: former russian president boris yeltsin; person: readers; person: his; facility: the kremlin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: russian; person: former russian president; person: former russian president boris yeltsin; person: readers; person: his; facility: the kremlin