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Though his father Ahmed Khan died early in Alladiya 's life , his uncle , Jehangir Khan ( of the Agra gharana ) , taught him dhrupad for 5 years and then khyal for another 8 years .
 Khan, Alladiya, Khan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Khan, Alladiya, Khan