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in 1964 he accompanied singer Donald ( Baby ) Douglas , Leo Wright a.o. at the first International Jazz Festival Prague .
 person: Leo Wright
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: Leo Wright 
Answer:
 person: Leo Wright