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We describe three techniques for making syntactic analysis more robust -- an agenda-based scheduling parser , a recovery technique for failed parses , and a new technique called terminal substring parsing .
 three techniques, syntactic analysis; agenda-based scheduling parser, three techniques; agenda-based scheduling parser, recovery technique; recovery technique, three techniques; recovery technique, syntactic analysis; recovery technique, failed parses; recovery technique, technique; technique, three techniques
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:
 three techniques, syntactic analysis; agenda-based scheduling parser, three techniques; agenda-based scheduling parser, recovery technique; recovery technique, three techniques; recovery technique, syntactic analysis; recovery technique, failed parses; recovery technique, technique; technique, three techniques