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In the 1970 s Frank Sinatra recorded " Something " twice ( 1970 and 1979 ) and later dubbed it " the greatest love song of the past fifty years " .
 Frank Sinatra
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Frank Sinatra