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In Qin Dynasty and Han Dynasty , when Han people started to immigrate to this region , Baoxing was named “ County of Qingyi ” affiliated to the Prefecture of Shu .
 location: Baoxing; location: Prefecture
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: Baoxing, Prefecture 
Answer:
 location: Baoxing; location: Prefecture