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None of the other arts groups at ground zero are represented on the board , whose members include Kenneth I. Chenault , the chairman and chief executive of American Express , which has agreed to help sponsor the Freedom Center .
 Kenneth I. Chenault, American Express
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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} 
Answer:
 Kenneth I. Chenault, American Express