92879
History Cam Ranh Airport was built by the United States Army during the Vietnam War , and operated by the United States Air Force for military purposes as Cam Ranh Air Base .
 location: Cam Ranh; organization: United States Army; location: Vietnam; organization: United States Air Force; location: Cam Ranh
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: Cam Ranh, United States Army, Vietnam, United States Air Force, Cam Ranh 
Answer:
 location: Cam Ranh; organization: United States Army; location: Vietnam; organization: United States Air Force; location: Cam Ranh