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In this paper , we introduce a closed-form solution to systematically combine the limited training data with some generic qualitative knowledge for BN parameter learning .
 conjunction: limited training data, qualitative knowledge; used for: limited training data, BN parameter learning; used for: qualitative knowledge, BN parameter learning; used for: BN parameter learning, closed-form solution
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:  limited training data, qualitative knowledge; limited training data, BN parameter learning; qualitative knowledge, BN parameter learning; BN parameter learning, closed-form solution 
Answer:
 conjunction: limited training data, qualitative knowledge; used for: limited training data, BN parameter learning; used for: qualitative knowledge, BN parameter learning; used for: BN parameter learning, closed-form solution