52903
During Emperor Zhongzong 's second reign Probably in 705 , at the start of the second reign of Emperor Gaozong 's son Emperor Zhongzong , Dou Huaizhen , in order to observe naming taboo for Wei Xuanzhen ( 韋玄貞 ) , the father of Emperor Zhongzong 's powerful wife Empress Wei , started using his courtesy name of Congyi rather than Huaizhen as his name .
 person: Emperor Zhongzong; person: Emperor Gaozong; person: Emperor Zhongzong; person: Dou Huaizhen; person: Wei; person: Emperor Zhongzong; person: Empress Wei; person: Huaizhen
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 Zhongzong, Emperor Gaozong, Emperor Zhongzong, Dou Huaizhen, Wei, Emperor Zhongzong, Empress Wei, Huaizhen 
Answer:
 person: Emperor Zhongzong; person: Emperor Gaozong; person: Emperor Zhongzong; person: Dou Huaizhen; person: Wei; person: Emperor Zhongzong; person: Empress Wei; person: Huaizhen