105544
He was appointed to be a Major of the Territorial Army 's Engineer and Railway Staff Corps , an unpaid , volunteer unit which provides technical expertise to the British Army , on 28 March 1925 .
 organization: Territorial Army; organization: British Army
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: Territorial Army, British Army 
Answer:
 organization: Territorial Army; organization: British Army