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Rear Admiral Piers is best known for his courageous actions in 1944 when , as the 30-year old Commanding Officer of HMCS Algonquin , he directly participated in the invasion in France where he guided his ship and her crew through the conflagration of D-Day .
 person: Admiral Piers
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: Admiral Piers 
Answer:
 person: Admiral Piers