6610
One belongs to outgoing Finance Minister Hans-Rudolf Merz who brokered a deal with the United States last year that forced  Switzerland  to break its own banking secrecy laws in order to prevent the country's biggest bank  UBS AG  from facing damaging civil litigation in U.S. courts for helping thousands of Americans hide money in offshore accounts .
 country of headquarters: Switzerland, UBS AG
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: Switzerland, UBS AG