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Two of the most noted Venetian writers were Marco Polo in the Middle Ages and , later , Giacomo Casanova .
 person: Marco Polo; person: Giacomo Casanova
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: Marco Polo, Giacomo Casanova 
Answer:
 person: Marco Polo; person: Giacomo Casanova