6507
During decoding , we use a block unigram model and a word-based trigram language model .
 block unigram model, decoding; word-based trigram language model, decoding; word-based trigram language model, block unigram model
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:
 block unigram model, decoding; word-based trigram language model, decoding; word-based trigram language model, block unigram model