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Bart Walker is with WGNS Radio in Murfreesboro , Tennessee Bart Walker ( born July 15 , 1944 in Knoxville , TN ) : The fun of radio first hit during the Christmas of his 4th grade .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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