351753
At the start of Emperor Xuanzong 's Tianbao era ( 742-756 ) , Li Guangbi became the discipline officer at Shuofang Circuit ( 朔方 , headquartered in modern Yinchuan , Ningxia ) .
 person: Emperor Xuanzong; person: Li Guangbi; location: Yinchuan; location: Ningxia
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, Li Guangbi, Yinchuan, Ningxia 
Answer:
 person: Emperor Xuanzong; person: Li Guangbi; location: Yinchuan; location: Ningxia