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Slivnica ( ) is a peak in the Dinaric Alps in Slovenia , southeast of Cerknica on the edge of the plain defined by Lake Cerknica .
 Slovenia, Cerknica, Cerknica
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Slovenia, Cerknica, Cerknica