4540
We investigate that claim by adopting a simple MT-based paraphrasing technique and evaluating QA system performance on paraphrased questions .
 MT-based paraphrasing technique, QA system; paraphrased questions, QA system
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:
 MT-based paraphrasing technique, QA system; paraphrased questions, QA system