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He 's one of nine people invited to address the World Business Forum , a conference for executives , next fall , where he 's expected to share the stage at Radio City Music Hall with Rudolph Giuliani ; Jack Welch , the former chief executive of General Electric ; and Colin Powell , who Gladwell believes may be a distant cousin on his mother 's side . ''
 Jack Welch, General Electric
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:
 Jack Welch, General Electric