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UCL Medical School  ( formerly Royal Free University College Medical School ) is the medical school of University College London ( UCL ) and is located in London  United Kingdom  .
 country of headquarters: UCL Medical School, United Kingdom
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:
 country of headquarters: UCL Medical School, United Kingdom