5789
An empirical comparison of CFG filtering techniques for LTAG and HPSG is presented .
 used for: CFG filtering techniques, LTAG; used for: CFG filtering techniques, HPSG; compare: LTAG, HPSG
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 used for: CFG filtering techniques, LTAG; used for: CFG filtering techniques, HPSG; compare: LTAG, HPSG