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An efficient bit-vector-based CKY-style parser for context-free parsing is presented .
 used for: bit-vector-based CKY-style parser, context-free parsing
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:  bit-vector-based CKY-style parser, context-free parsing 
Answer:
 used for: bit-vector-based CKY-style parser, context-free parsing