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Mohamed Talbi ( ) , ( born in Tunis , 1921 ) is a Tunisian historian and professor .
 location: Tunis
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: Tunis 
Answer:
 location: Tunis