75165
On his return he became secretary to the Duke of Monmouth ; he it was that erased the obnoxious adjective ' natural ' from the patent conferring the command-in-chief upon the duke in 1674 but left his service in 1678 .
 person: Duke of Monmouth
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: Duke of Monmouth 
Answer:
 person: Duke of Monmouth