sentence1: for each target language , we used the srilm toolkit to estimate separate 4-gram lms with kneser-ney smoothing , for each of the corpora listed in tables 3 , 4 and 5 .
sentence2: for the fst representation , we used the the opengrm-ngram language modeling toolkit and used an n-gram order of 4 , with kneser-ney smoothing .