I don't know I'm not sure
i don't know i'm not sure .
aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n oʊ WORD_BOUNDARY aɪ m WORD_BOUNDARY n ɑː t WORD_BOUNDARY ʃ ʊ ɹ WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY i ' m WORD_BOUNDARY n o t WORD_BOUNDARY s u r e WORD_BOUNDARY