82366
He attended Thetford Grammar School ( 1744 – 1749 ) , at a time when there was no compulsory education .
 organization: Thetford Grammar School
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: Thetford Grammar School 
Answer:
 organization: Thetford Grammar School