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Maurice Paul Nivat ( born December 21 , 1937 ) is a French computer scientist .
 person: Maurice; person: Nivat
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: Maurice, Nivat 
Answer:
 person: Maurice; person: Nivat