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Band history Late 1980s and 1990s In 1980 Bane Krstić ( vocals , acoustic guitar ) , Petar Alvirović ( bass guitar ) , Milan Trifunović ( drums ) and Šeri Toplica ( rhythm guitar ) formed the band Pa Šta !
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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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