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Jim Mackonochie ( died 23 April 2013 ) was a British Royal Navy officer who became a leading figure in the development of combat flight simulation video games .
 organization: Royal Navy
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Royal Navy