3521
When a very noisy portion is detected , the parser skips that portion using a fake non-terminal symbol .
 used for: non-terminal symbol, parser
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:  non-terminal symbol, parser 
Answer:
 used for: non-terminal symbol, parser