I don't know the answer to that question
I do know the answer to that question
pro:sub mod v det:art n prep det:dem n
i don't know the answer to that question .
aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n oʊ WORD_BOUNDARY ð ɪ WORD_BOUNDARY æ n s ɚ WORD_BOUNDARY t ə WORD_BOUNDARY ð æ t WORD_BOUNDARY k w ɛ s t̠ʃ ə n WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY t h e WORD_BOUNDARY a n s w e r WORD_BOUNDARY t o WORD_BOUNDARY t h a t WORD_BOUNDARY q u e s t i o n WORD_BOUNDARY