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Biography Claus Clausen was born at Borgnæs in Tranderup Parish , on the island of Ærø , in Svendborg County , Denmark .
 Claus Clausen, Denmark
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Claus Clausen, Denmark