48529
Chronically shy throughout his childhood , he sought refuge in drawing and writing , and whilst at the Hall School , Hampstead , he had his first short story published in the school magazine , at the age of twelve .
 organization: Hall School , Hampstead
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: Hall School , Hampstead 
Answer:
 organization: Hall School , Hampstead