101173
Plot Motivational seminar Thirteen delegates are invited to an intimate seminar in a hotel in Hertfordshire apparently to learn some of Brown ’s skills , after responding to adverts in the press .
 location: Hertfordshire; person: Brown
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: Hertfordshire, Brown 
Answer:
 location: Hertfordshire; person: Brown