245651
Once completed it was turned over for use by the Twelfth Air Force 31st Fighter Group from Jan through April 1944 flying Spitfire s and transitioning to P-51 Mustang s. Also the 27th Fighter Group was stationed a the airfield during April and May 1944 , flying A-36 Apache s , later converting to P-47 Thunderbolts .
 organization: Twelfth 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: Twelfth Air Force 
Answer:
 organization: Twelfth Air Force