BLEU|nrefs:1|case:mixed|eff:no|tok:ja-mecab-0.996-IPA|smooth:exp|version:2.4.3 = 29.63 62.4/36.6/23.2/15.2 (BP = 0.989 ratio = 0.989 hyp_len = 32928 ref_len = 33286)