7184
This model is an extension of PCFG in which non-terminal symbols are augmented with latent variables .
 PCFG, model; non-terminal symbols, PCFG; latent variables, non-terminal symbols
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:
 PCFG, model; non-terminal symbols, PCFG; latent variables, non-terminal symbols