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To combat Khan , Hari Singh Nalwa , the Sikh Governor of Maharaja Ranjit Singh to Hazara , took the initiative during his governorship of setting up forts at strategic locations .
 person: Khan; person: Hari Singh Nalwa; person: Ranjit Singh
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: Khan, Hari Singh Nalwa, Ranjit Singh 
Answer:
 person: Khan; person: Hari Singh Nalwa; person: Ranjit Singh