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We describe a hierarchy of loss functions that incorporate different levels of linguistic information from word strings , word-to-word alignments from an MT system , and syntactic structure from parse-trees of source and target language sentences .
 used for: linguistic information, loss functions; used for: word-to-word alignments, loss functions; part of: word-to-word alignments, MT system; used for: syntactic structure, loss functions; part of: parse-trees, syntactic structure
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: linguistic information, loss functions; used for: word-to-word alignments, loss functions; part of: word-to-word alignments, MT system; used for: syntactic structure, loss functions; part of: parse-trees, syntactic structure