10502
'' Kievan Rus ' '' ' – Oleg of Novgorod ( 882–912 )
 location: Kievan Rus '; person: Oleg of Novgorod
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: Kievan Rus ', Oleg of Novgorod 
Answer:
 location: Kievan Rus '; person: Oleg of Novgorod