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Plantronics  is a publicly traded company ( NYSE : PLT ) headquartered in  Santa Cruz  California .
 city of headquarters: Plantronics, Santa Cruz
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:  Plantronics, Santa Cruz 
Answer:
 city of headquarters: Plantronics, Santa Cruz