73875
During 1939 , it also formed 49th Royal Tank Regiment as a duplicate regiment .
 organization: 49th Royal Tank Regiment
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: 49th Royal Tank Regiment 
Answer:
 organization: 49th Royal Tank Regiment