327019
March Operation Menu was the codename of a covert United States Strategic Air Command ( SAC ) bombing campaign conducted in eastern Cambodia from 18 March 1969 until 26 May 1970 , during the Vietnam War .
 location: United States Strategic Air Command; location: Cambodia; location: Vietnam
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: United States Strategic Air Command, Cambodia, Vietnam 
Answer:
 location: United States Strategic Air Command; location: Cambodia; location: Vietnam