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Upon her return to India in June 2011 Faria was chosen as the global Brand Ambassador of  Constant  a manufacturer of Swiss luxury wrist watches based in Plan-les-Ouates Geneva  Switzerland  .
 country of headquarters: Constant, Switzerland
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:  Constant, Switzerland 
Answer:
 country of headquarters: Constant, Switzerland