389757
In 1916 he became a staff officer in the army 's roads directorate , eventually holding the position of Assistant Director of Roads and attaining the rank of Lieutenant-Colonel before he left the army in November 1919 .
 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