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In contrast to the way most songs were presented at Eurovision , Israel opted for a simple presentation with Skaat in a black suit with Adaddi playing on a grand piano , and two backup singers to Skaat 's left in the back of him . "
 Skaat, Skaat
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Skaat, Skaat