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The station signed on July 31 , 1948 at 6pm and originally was owned by six Holland-area businessmen : I.H Marsilje , Nelson Bosman ( who served as mayor of Holland from 1961 to 1971 ) , W.A. Butler ( former owner of the Holland Evening Sentinel ) , Millard Westrate , Willard Wichers and P.T. Chef .
 Holland, Holland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Holland, Holland