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Life & Work Richard Letts trained as a classical pianist and composer and worked as a jazz band leader in his early years .
 person: Letts
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: Letts 
Answer:
 person: Letts