6522
Porting a Natural Language Processing -LRB- NLP -RRB- system to a new domain remains one of the bottlenecks in syntactic parsing , because of the amount of effort required to fix gaps in the lexicon , and to attune the existing grammar to the idiosyncracies of the new sublanguage .
 Natural Language Processing -LRB- NLP -RRB- system, new domain; grammar, idiosyncracies of the new sublanguage
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:
 Natural Language Processing -LRB- NLP -RRB- system, new domain; grammar, idiosyncracies of the new sublanguage