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Woolwich Polytechnic  School for Boys ( founded 1912 ) is a secondary school for boys in the Royal Borough of  Greenwich  London England .
 city of headquarters: Woolwich Polytechnic, Greenwich
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: Woolwich Polytechnic, Greenwich