1005
Unification is often the appropriate method for expressing relations between representations in the form of feature structures ; however , there are circumstances in which a different approach is desirable .
 used for: method, relations between representations; used for: feature structures, relations between representations; compare: approach, method
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:
 used for: method, relations between representations; used for: feature structures, relations between representations; compare: approach, method