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We present an approach to annotating a level of discourse structure that is based on identifying discourse connectives and their arguments .
 approach, discourse structure; discourse connectives, approach
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:
 approach, discourse structure; discourse connectives, approach