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This paper highlights a particular class of miscommunication -- reference problems -- by describing a case study and techniques for avoiding failures of reference .
 hyponym of: reference problems, miscommunication; used for: techniques, failures of reference
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 hyponym of: reference problems, miscommunication; used for: techniques, failures of reference