81243
After the war , the site passed through a succession of hands and saw a number of uses , including as a teacher-training college and local GPO headquarters .
 organization: GPO
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: GPO 
Answer:
 organization: GPO