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In June 2007 the Wellcome Building reopened after refurbishment as a public venue housing the Wellcome Collection the  Wellcome Trust  Centre for the History of Medicine at University College  London  and the Wellcome Library .
 city of headquarters: Wellcome Trust, London
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:  Wellcome Trust, London 
Answer:
 city of headquarters: Wellcome Trust, London