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Officials were required to wear Manchu-style clothing " Changshan " ( bannermen dress and " Tangzhuang " ) , but ordinary Han civilians were allowed to wear traditional Han clothing .
 location: Changshan
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: Changshan 
Answer:
 location: Changshan