63435
Under the reforms , introduced by Secretary of State for War Hugh Childers in 1881 , the remaining militia infantry regiments were re-designated as numbered battalions of regiments of the line , ranking after the two regular battalions .
 person: Hugh Childers
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Hugh Childers 
Answer:
 person: Hugh Childers