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It has been an Orioles tradition since 1975 to play John Denver 's " Thank God I 'm a Country Boy " during the seventh-inning stretch .
 organization: Orioles; person: John Denver
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:
 organization: Orioles; person: John Denver