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The probability distribution of each class over the set of clusters is used to define a true set based similarity measure .
 probability distribution, set based similarity measure
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 probability distribution, set based similarity measure