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Although the experiments in this article are on natural language parsing -LRB- NLP -RRB- , the approach should be applicable to many other NLP problems which are naturally framed as ranking tasks , for example , speech recognition , machine translation , or natural language generation .
 ranking tasks, NLP problems; speech recognition, NLP problems; speech recognition, ranking tasks; speech recognition, machine translation; machine translation, NLP problems; machine translation, ranking tasks; machine translation, natural language generation; natural language generation, NLP problems; natural language generation, ranking tasks
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:
 ranking tasks, NLP problems; speech recognition, NLP problems; speech recognition, ranking tasks; speech recognition, machine translation; machine translation, NLP problems; machine translation, ranking tasks; machine translation, natural language generation; natural language generation, NLP problems; natural language generation, ranking tasks