I don't know if that's true
i don't know if that's true .
aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n oʊ WORD_BOUNDARY ɪ f WORD_BOUNDARY ð æ t s WORD_BOUNDARY t ɹ uː WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY i f WORD_BOUNDARY t h a t ' s WORD_BOUNDARY t r u e WORD_BOUNDARY