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James Milton Black ( 19 August 1856 – 21 December 1938 ) was an American composer of hymns , choir leader and Sunday school teacher .
 person: Milton
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: Milton 
Answer:
 person: Milton