1788
In 1913 it was announced that he would be the first Bishop of Buckingham , a post he was to hold until 1921 when his duties were redefined to undertake the role of Assistant Bishop ( as the Archdeacon of Oxford ) across the whole Diocese .
 organization: Oxford
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: Oxford 
Answer:
 organization: Oxford