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At the time Darius I of Persia was a spearman in Cambyses II of Persia 's army .
 person: Darius I of Persia; person: Cambyses II of Persia
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: Darius I of Persia, Cambyses II of Persia 
Answer:
 person: Darius I of Persia; person: Cambyses II of Persia