13675
He previously served as Commander of the Air Armament Center from December 2005 to January 2007 .
 organization: Air Armament Center
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: Air Armament Center 
Answer:
 organization: Air Armament Center