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It was initially intended to be a biannual event with the second festival taking place in 2007 , however , following the considerable increase in entries in the 2009 festival the organizers have now changed to making this an annual event .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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