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When Judge Sim Lake of the Federal District Court in Houston spent just one day picking the jury that is hearing the criminal case against two former Enron executives , Kenneth Lay and Jeffrey Skilling , he drew scorn from some defense lawyers , who seem to presume that fairness and inefficiency are inseparable bedfellows .
 Kenneth Lay, Enron; Jeffrey Skilling, Enron
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:
 Kenneth Lay, Enron; Jeffrey Skilling, Enron