5462
We demonstrate that an approximation of HPSG produces a more effective CFG filter than that of LTAG .
 approximation of HPSG, CFG filter; CFG filter, that; that, LTAG
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:
 approximation of HPSG, CFG filter; CFG filter, that; that, LTAG