305897
From 1782-1789 he served as equerry to the Duke of Cumberland , being described in 1794 by Rt. . Hon. Sylvester Douglas as " a well-bred man ... He has no brogue ... He once acted as a sort of groom of the bedchamber to the late Duke of Cumberland . "
 person: Duke of Cumberland; person: Rt. . Hon. Sylvester Douglas; person: Duke; person: Cumberland
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 Cumberland, Rt. . Hon. Sylvester Douglas, Duke, Cumberland 
Answer:
 person: Duke of Cumberland; person: Rt. . Hon. Sylvester Douglas; person: Duke; person: Cumberland