3533
We investigate that claim by adopting a simple MT-based paraphrasing technique and evaluating QA system performance on paraphrased questions .
 used for: MT-based paraphrasing technique, QA system; evaluate for: paraphrased questions, QA system
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: conjunction, feature of, hyponym of, used for, part of, compare, evaluate for 
Text: {0} 
 Entity Pairs:  MT-based paraphrasing technique, QA system; paraphrased questions, QA system 
Answer:
 used for: MT-based paraphrasing technique, QA system; evaluate for: paraphrased questions, QA system