2561
In head-to-head tests against one of the best existing robust probabilistic parsing models , which we call P-CFG , the HBG model significantly outperforms P-CFG , increasing the parsing accuracy rate from 60 % to 75 % , a 37 % reduction in error .
 hyponym of: P-CFG, robust probabilistic parsing models; compare: HBG model, P-CFG; evaluate for: parsing accuracy rate, HBG model
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:  P-CFG, robust probabilistic parsing models; HBG model, P-CFG; parsing accuracy rate, HBG model 
Answer:
 hyponym of: P-CFG, robust probabilistic parsing models; compare: HBG model, P-CFG; evaluate for: parsing accuracy rate, HBG model