5168
It is argued that the resulting algorithm is both efficient and flexible and is , therefore , a good choice for the parser used in a natural language interface .
 algorithm, parser; parser, natural language interface
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:
 algorithm, parser; parser, natural language interface