seven minus four is three
seven minus four be three
det:num prep det:num aux det:num
seven minus four is three .
s ɛ v ə n WORD_BOUNDARY m aɪ n ə s WORD_BOUNDARY f oː ɹ WORD_BOUNDARY ɪ z WORD_BOUNDARY θ ɹ iː WORD_BOUNDARY
s e v e n WORD_BOUNDARY m i n u s WORD_BOUNDARY f o u r WORD_BOUNDARY i s WORD_BOUNDARY t h r e e WORD_BOUNDARY