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 At a panel on March 20 during the opening session of the 52nd annual Advertising Research Foundation conference , Dawn E. Hudson , president and chief executive of Pepsi-Cola North America , said , '' One of the reasons we 're being cautious is there 's a blurring between advertising and content . '' 
 Dawn E. Hudson, Pepsi-Cola North America
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 Dawn E. Hudson, Pepsi-Cola North America