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As well as playing first-class cricket , Fenley also stood in a single first-class match as an Umpire in the 1927 match against the Royal Navy and the Royal Air Force .
 Fenley, Royal Navy, Royal Air Force
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Fenley, Royal Navy, Royal Air Force