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In addition , combination of the training speakers is done by averaging the statistics of independently trained models rather than the usual pooling of all the speech data from many speakers prior to training .
 compare: averaging the statistics of independently trained models, pooling of all the speech data
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
 Entity Pairs:  averaging the statistics of independently trained models, pooling of all the speech data 
Answer:
 compare: averaging the statistics of independently trained models, pooling of all the speech data