377781
Military settlements ( ) represented a special organization of the Russian military forces in 1810 – 1857 , which allowed the combination of military service and agricultural employment .
 None
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:  
Answer:
 None