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Arthur Kemp is a British writer and owner of Ostara Publications who was from 2009 to 2011 the Foreign Affairs Spokesperson for the British National Party before resigning from that party .
 person: Arthur Kemp; organization: British National Party
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: Arthur Kemp, British National Party 
Answer:
 person: Arthur Kemp; organization: British National Party