8072
An empirical comparison of CFG filtering techniques for LTAG and HPSG is presented .
 CFG filtering techniques, LTAG; CFG filtering techniques, HPSG; LTAG, HPSG
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:
 CFG filtering techniques, LTAG; CFG filtering techniques, HPSG; LTAG, HPSG