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We use this geometric understanding of conjugate priors to derive the hyperparameters and expression of the prior used to couple the generative and discriminative components of a hybrid model for semi-supervised learning .
 used for: geometric understanding of conjugate priors, hyperparameters; used for: prior, generative and discriminative components; part of: generative and discriminative components, hybrid model; used for: hybrid model, semi-supervised learning
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:  geometric understanding of conjugate priors, hyperparameters; prior, generative and discriminative components; generative and discriminative components, hybrid model; hybrid model, semi-supervised learning 
Answer:
 used for: geometric understanding of conjugate priors, hyperparameters; used for: prior, generative and discriminative components; part of: generative and discriminative components, hybrid model; used for: hybrid model, semi-supervised learning