4141
In spite of the level of difficulty of the challenge , the model nevertheless produces fluent output as judged by human evaluators , and performs significantly better than widely used phrase-based SMT models upon the same task .
 model, phrase-based SMT models; task, model; task, phrase-based SMT models
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:
 model, phrase-based SMT models; task, model; task, phrase-based SMT models