49115
According to a ca. 1723 account by the French Jesuits Dominique Parrenin , there was a well in Dong ' e which was normally kept closed and sealed , and which was only opened when water was taken to be used in preparation of ejiao for the emperor 's court .
 person: Dominique Parrenin
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: Dominique Parrenin 
Answer:
 person: Dominique Parrenin