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Background Guo Yuanzhen was born in 656 , during the reign of Emperor Gaozong .
 person: Guo Yuanzhen; person: Emperor Gaozong
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: Guo Yuanzhen, Emperor Gaozong 
Answer:
 person: Guo Yuanzhen; person: Emperor Gaozong