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The duo appeared in popular festivals like Grøn Koncert and Roskilde Festival at the same time announcing that they were shelving the duo project marking the end of the " first chapter " , at the same time promissing that they would come back after 3-4 years for a new album project .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
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