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In Ukrainian , Belarusian and Russian cuisines , sour cream is often added to borscht and other soups , and is used as a salad dressing and as a condiment for dumplings , such as " varenyky " and " pelmeni " .
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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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