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War Kirwan Ward joined the Royal Australian Naval Volunteer Reserve in 1942 and was discharged in 1946 .
 person: Kirwan Ward; organization: Royal Australian Naval Volunteer Reserve
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: Kirwan Ward, Royal Australian Naval Volunteer Reserve 
Answer:
 person: Kirwan Ward; organization: Royal Australian Naval Volunteer Reserve