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A novel bootstrapping approach to Named Entity -LRB- NE -RRB- tagging using concept-based seeds and successive learners is presented .
 bootstrapping approach, Named Entity -LRB- NE -RRB- tagging; concept-based seeds, bootstrapping approach; concept-based seeds, successive learners; successive learners, bootstrapping 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:
 bootstrapping approach, Named Entity -LRB- NE -RRB- tagging; concept-based seeds, bootstrapping approach; concept-based seeds, successive learners; successive learners, bootstrapping approach