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For example , the impact of the Vietnam War on Vietnam was devastating , but over the last few decades Vietnam has been re-developing in a very fast pace .
 location: Vietnam; 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: Vietnam, Vietnam 
Answer:
 location: Vietnam; location: Vietnam