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In Vietnam , a commune-level town ( " thị trấn " ) is very similar to a township ; it is a subdivision of a rural district ( " huyện " ) and is the lowest administration subdivision in the country .
 location: Vietnam
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Vietnam 
Answer:
 location: Vietnam