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With performance above 97 % accuracy for newspaper text , part of speech -LRB- pos -RRB- tagging might be considered a solved problem .
 accuracy, part of speech -LRB- pos -RRB- tagging; newspaper text, part of speech -LRB- pos -RRB- tagging
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:
 accuracy, part of speech -LRB- pos -RRB- tagging; newspaper text, part of speech -LRB- pos -RRB- tagging