90171
After a brief stint as a teacher at Manchester Grammar School he worked in shipping offices in Liverpool and Port Said from 1910 to 1912 .
 organization: Manchester Grammar School; location: Liverpool; location: Port Said
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: Manchester Grammar School, Liverpool, Port Said 
Answer:
 organization: Manchester Grammar School; location: Liverpool; location: Port Said