but who's working the hardest
but who work the hard
conj pro:rel part det:art adj
but who's working the hardest ?
b ʌ t WORD_BOUNDARY h uː z WORD_BOUNDARY w ɜː k ɪ ŋ WORD_BOUNDARY ð ə WORD_BOUNDARY h ɑː ɹ d ɪ s t WORD_BOUNDARY
b u t WORD_BOUNDARY w h o ' s WORD_BOUNDARY w o r k i n g WORD_BOUNDARY t h e WORD_BOUNDARY h a r d e s t WORD_BOUNDARY