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David Edwards ( born 1947 in Barry South Wales ) is a former physics teacher at  Cheadle High School  and Denstone College in  Staffordshire  who became the first man to win the million pounds on the British Who Wants to Be a Millionaire ?
 city of headquarters: Cheadle High School, Staffordshire
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 city of headquarters: Cheadle High School, Staffordshire