how do you know that
how do you know that?
h aʊ WORD_BOUNDARY d uː WORD_BOUNDARY j uː WORD_BOUNDARY n oʊ WORD_BOUNDARY ð æ t WORD_BOUNDARY
h o w WORD_BOUNDARY d o WORD_BOUNDARY y o u WORD_BOUNDARY k n o w WORD_BOUNDARY t h a t ? WORD_BOUNDARY