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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 .
 machine learning techniques, comma checker; comma checker, grammar checker; grammar checker, Basque
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 machine learning techniques, comma checker; comma checker, grammar checker; grammar checker, Basque