4579
However , our experience with TACITUS ; especially in the MUC-3 evaluation , has shown that principled techniques for syntactic and pragmatic analysis can be bolstered with methods for achieving robustness .
 used for: techniques, syntactic and pragmatic analysis; evaluate for: robustness, methods
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
Answer:
 used for: techniques, syntactic and pragmatic analysis; evaluate for: robustness, methods