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The Reverend John R. Gunn ( August 17 , 1877 - November 15 , 1956 ) was first a minister , and then at about age 43 became a columnist whose daily messages inspired readers for over 36 years .
 person: R. Gunn
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: R. Gunn 
Answer:
 person: R. Gunn