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Since 1949  VICA  has served as the  San Fernando Valley  's leading voice on business issues through advocacy efforts at all levels of government .
 city of headquarters: VICA, San Fernando Valley
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:  VICA, San Fernando Valley 
Answer:
 city of headquarters: VICA, San Fernando Valley