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In this paper , we describe the research using machine learning techniques to build a comma checker to be integrated in a grammar checker for Basque .
 used for: machine learning techniques, comma checker; part of: comma checker, grammar checker; used for: grammar checker, Basque
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:  machine learning techniques, comma checker; comma checker, grammar checker; grammar checker, Basque 
Answer:
 used for: machine learning techniques, comma checker; part of: comma checker, grammar checker; used for: grammar checker, Basque