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The average cost of making and releasing an American film dropped slightly in 2004 because of a decrease in marketing costs , the president of the Motion Picture Association of America , Dan Glickman , said in Las Vegas yesterday at the annual ShoWest movie convention .
 Dan Glickman, Motion Picture Association of America
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:
 Dan Glickman, Motion Picture Association of America