4183
Previous studies have shown that allowing the parser to resolve pos tag ambiguity does not improve performance .
 used for: parser, pos tag ambiguity
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:  parser, pos tag ambiguity 
Answer:
 used for: parser, pos tag ambiguity