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Born in  Barbados  in 1959  Bickerton  is the son of Derek Bickerton a linguist and scholar of Creole and pidgin languages .
 country of birth: Barbados, Bickerton
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
 Entity Pairs:  Barbados, Bickerton 
Answer:
 country of birth: Barbados, Bickerton