30746
During the first peace of any substantial length ( 780 – 782 ) , Charles began to appoint his sons to positions of authority .
 person: Charles
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: Charles 
Answer:
 person: Charles