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Donald Kenneth Andrew MacKenzie ( 30 November 1916 - 12 June 1940 , Edinburgh ) was a Scottish international rugby union player , who played for twice at number eight in the 1939 Home Nations Championship .
 MacKenzie, Edinburgh
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 MacKenzie, Edinburgh