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The changes , which Wal-Mart 's chief executive , H. Lee Scott Jr. , plans to announce formally on Sunday before a meeting of the nation 's governors , underscore how big a political and public relations threat the health care issue has become for the company , the nation 's largest private employer .
 H. Lee Scott Jr., Wal-Mart
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:
 H. Lee Scott Jr., Wal-Mart