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The General Secretary of the  Wales TUC  is Martin Mansfield ( 2009 ) who is based in the  Cardiff  office .
 city of headquarters: Wales TUC, Cardiff
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:  Wales TUC, Cardiff 
Answer:
 city of headquarters: Wales TUC, Cardiff