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The networks of today have to be upgraded , '' said Carl Russo , the chief executive of Calix , a company that sells Internet television equipment . ''
 person of company: Carl Russo, Calix
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
 Entity Pairs:  Carl Russo, Calix 
Answer:
 person of company: Carl Russo, Calix