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THE POWER OF HERESY -- In 2004 , the development chief of Microsoft Windows , Jim Allchin , wrote in an e-mail message to the chief executive , Steven A. Ballmer , and the chairman , Bill Gates , that he would buy a Mac if he were n't working for Microsoft . ''
 Microsoft, Bill Gates; Bill Gates, Microsoft
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:
 Microsoft, Bill Gates; Bill Gates, Microsoft