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Bill Gates , the chairman of Microsoft , delivered a blistering critique of American high schools on Saturday , and his foundation promised $ 15 million to states to make immediate improvements .
 company founders: Microsoft, Bill Gates; person of company: Bill Gates, Microsoft
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:  Microsoft, Bill Gates; Bill Gates, Microsoft 
Answer:
 company founders: Microsoft, Bill Gates; person of company: Bill Gates, Microsoft