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Jailed Socialist leader Fatos Nano made the first call for change in July , a month after the party 's chief opponents , the conservative Democrats of President Sali Berisha , almost swept the board in a disputed general election .
 Fatos Nano, Democrats, Sali Berisha
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Fatos Nano, Democrats, Sali Berisha