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The Institute of Hán-Nôm Studies , or Hán Nôm Institute ( Vietnamese : Viện Hán-Nôm ) in Hanoi , Vietnam is the main research centre , historical archival agency and reference library for the study of chữ Hán and chữ Nôm texts in Vietnam .
 location: Hanoi; 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: Hanoi, Vietnam, Vietnam 
Answer:
 location: Hanoi; location: Vietnam; location: Vietnam