22390
Also in 1938 , all infantry brigades in the British Army were reduced from four battalions to three .
 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: British Army 
Answer:
 organization: British Army