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Sir Peter Parker KBE LVO ( 30 August 1924 – 28 April 2002 ) was a British businessman , best known as chairman of the British Railways Board from 1976 to 1983 .
 person: Sir; person: Parker; location: British; organization: British Railways Board
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: Sir, Parker, British, British Railways Board 
Answer:
 person: Sir; person: Parker; location: British; organization: British Railways Board