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The closest equivalent to the title of Sovereign Duke is Rao and to a feudal duchy , a large jagir .
 person: Rao
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: Rao 
Answer:
 person: Rao