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About Klapa Sufit In the autumn of 1992 in the attic of Split ’s 4th Gymnasium " Marko Marulić " , the young and talented music professor mr. Tomislav Versic gathered a group of students into a small vocal group , in Croatia known as “ klapa ” .
 Split, Croatia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Split, Croatia