60798
The core quartet of characters — James Herriot , Siegfried Farnon , Tristan Farnon and Helen Herriot ( née Alderson ) — appear , unless otherwise stated .
 None
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:  
Answer:
 None