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Archelaus was the greatest general that had served under Mithridates VI and was also his favorite general .
 person: Archelaus; person: Mithridates VI
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: Archelaus, Mithridates VI 
Answer:
 person: Archelaus; person: Mithridates VI