nine minus four is five
nine minus four be five
det:num prep det:num aux det:num
nine minus four is five .
n aɪ n WORD_BOUNDARY m aɪ n ə s WORD_BOUNDARY f oː ɹ WORD_BOUNDARY ɪ z WORD_BOUNDARY f aɪ v WORD_BOUNDARY
n i n e WORD_BOUNDARY m i n u s WORD_BOUNDARY f o u r WORD_BOUNDARY i s WORD_BOUNDARY f i v e WORD_BOUNDARY