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Existing methods rely on various kinds of explicit filter construction or hand-designed objective functions .
 used for: explicit filter construction, Existing methods; conjunction: explicit filter construction, hand-designed objective functions; used for: hand-designed objective functions, Existing methods
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:  explicit filter construction, Existing methods; explicit filter construction, hand-designed objective functions; hand-designed objective functions, Existing methods 
Answer:
 used for: explicit filter construction, Existing methods; conjunction: explicit filter construction, hand-designed objective functions; used for: hand-designed objective functions, Existing methods