208396
In the summer of 1942 he joined the Royal Air Force and in February 1943 was commissioned as an Intelligence Officer .
 organization: Royal Air Force
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 Air Force 
Answer:
 organization: Royal Air Force