314878
He joined the RAAF as an Intelligence officer in 1938 , and was soon promoted to Squadron Leader then Wing Commander .
 organization: RAAF
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: RAAF 
Answer:
 organization: RAAF