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During Emperor Xuanzong 's reign In 712 , Emperor Ruizong passed the throne to Li Longji , who took the throne as Emperor Xuanzong .
 person: Emperor Xuanzong; person: Emperor; person: Li Longji; person: Emperor Xuanzong
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 Xuanzong, Emperor, Li Longji, Emperor Xuanzong 
Answer:
 person: Emperor Xuanzong; person: Emperor; person: Li Longji; person: Emperor Xuanzong