253508
During World War II , he was a member of the Royal Naval Volunteer Reserve and commanded a flotilla of tank landing craft during D-Day in Normandy , earning the Distinguished Service Cross ( DCS ) .
 organization: Royal 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: Royal Naval Volunteer Reserve 
Answer:
 organization: Royal Naval Volunteer Reserve