14688
The University of Nottingham's teaching hospital  University of Nottingham Medical School  is part of the largest hospital in the  UK  the Queen's Medical Centre ( or QMC ) .
 country of headquarters: University of Nottingham Medical School, UK
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: University of Nottingham Medical School, UK