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We consider a problem of blind source separation from a set of instantaneous linear mixtures , where the mixing matrix is unknown .
 used for: instantaneous linear mixtures, blind source separation
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:  instantaneous linear mixtures, blind source separation 
Answer:
 used for: instantaneous linear mixtures, blind source separation