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Pavle Vujević was a good friend of Milutin Milanković , noted for his research into climate cycles .
 person: Pavle Vujević; person: Milutin Milanković
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: Pavle Vujević, Milutin Milanković 
Answer:
 person: Pavle Vujević; person: Milutin Milanković