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Rivad , who has also earned a living as a taxi driver , is a quiet , dedicated photographer , concentrating on disadvantaged areas and people on the fringes of society .
 person: Rivad
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: Rivad 
Answer:
 person: Rivad