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HMCS Bras d'Or was an auxiliary minesweeper that served in the Royal Canadian Navy between 1939 and 1940 when it sank with all hands in a storm .
 Royal Canadian Navy
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Royal Canadian Navy