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This paper describes a particular approach to parsing that utilizes recent advances in unification-based parsing and in classification-based knowledge representation .
 used for: approach, parsing; used for: unification-based parsing, approach; used for: classification-based knowledge representation, approach; conjunction: classification-based knowledge representation, unification-based parsing
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:  approach, parsing; unification-based parsing, approach; classification-based knowledge representation, approach; classification-based knowledge representation, unification-based parsing 
Answer:
 used for: approach, parsing; used for: unification-based parsing, approach; used for: classification-based knowledge representation, approach; conjunction: classification-based knowledge representation, unification-based parsing