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Since product analysis is a generalization of factor analysis , product analysis always finds a higher data likelihood than factor analysis .
 product analysis, generalization of factor analysis; product analysis, factor analysis
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:
 product analysis, generalization of factor analysis; product analysis, factor analysis