284390
Very little is known about Wei 's background despite his high status , as there was no biography for him in the official histories of Tang , the Book of Tang and the New Book of Tang .
 person: Wei
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: Wei 
Answer:
 person: Wei