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This trend has troubled Bill Gates , the co-founder and chairman of Microsoft , who traveled to several elite universities in a campaign-style tour in the spring of 2004 to stir up enthusiasm for computer science .
 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