8573
There he was promoted to Warden of St. Deiniol 's Library , and encouraged Gordon Dunstan who was in a junior position , before becoming Canon of St. George 's Chapel , Windsor .
 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