12869
After 1975 , it was used as a military airfield for the Vietnamese Air Force ( Khong Quan Nhan Dan Viet Nam ) , and developed into a regional civil airport .
 organization: Vietnamese
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: Vietnamese 
Answer:
 organization: Vietnamese