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The proposed scheme eliminates redundant copying while maintaining the quasi-destructive scheme 's ability to avoid over copying and early copying combined with its ability to handle cyclic structures without algorithmic additions .
 used for: scheme, cyclic structures; feature of: quasi-destructive scheme 's ability, scheme; conjunction: over copying, early copying
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:  scheme, cyclic structures; quasi-destructive scheme 's ability, scheme; over copying, early copying 
Answer:
 used for: scheme, cyclic structures; feature of: quasi-destructive scheme 's ability, scheme; conjunction: over copying, early copying