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Soon thereafter , he was also made the deputy minister of census ( 戶部侍郎 , Hubu Shilang ) and the director of taxation — after Emperor Xuānzong had initially offered the position to the mayor of Jingzhao Municipality ( 京兆 , i.e. , the Chang ' an region ) , Wei Ao ( 韋澳 ) but Wei declined .
 person: Emperor Xuānzong; location: Chang
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: Emperor Xuānzong, Chang 
Answer:
 person: Emperor Xuānzong; location: Chang