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Dr Roderick Peter Hackney ( born 3 March 1942 ) , better known as Rod Hackney , is a British architect and past president of the Royal Institute of British Architects .
 organization: Royal Institute of British Architects
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: Royal Institute of British Architects 
Answer:
 organization: Royal Institute of British Architects