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Instead of building individual classifiers per ambiguous wordform , we introduce a lemma-based approach .
 compare: classifiers, lemma-based approach; used for: ambiguous wordform, classifiers
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:  classifiers, lemma-based approach; ambiguous wordform, classifiers 
Answer:
 compare: classifiers, lemma-based approach; used for: ambiguous wordform, classifiers