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This paper proposes a series of modifications to the left corner parsing algorithm for context-free grammars .
 left corner parsing algorithm, context-free grammars
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 left corner parsing algorithm, context-free grammars