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We demonstrate the merits of our approach by comparing it to previous methods on both synthetic and natural datasets .
 compare: it, methods; evaluate for: synthetic and natural datasets, it; evaluate for: synthetic and natural datasets, methods
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:  it, methods; synthetic and natural datasets, it; synthetic and natural datasets, methods 
Answer:
 compare: it, methods; evaluate for: synthetic and natural datasets, it; evaluate for: synthetic and natural datasets, methods