their smoke alarm is going off
their smoke alarm be go off
det:poss n n aux part adv
their smoke alarm is going off .
ð ɛ ɹ WORD_BOUNDARY s m oʊ k WORD_BOUNDARY ɐ l ɑː ɹ m WORD_BOUNDARY ɪ z WORD_BOUNDARY ɡ oʊ ɪ ŋ WORD_BOUNDARY ɔ f WORD_BOUNDARY
t h e i r WORD_BOUNDARY s m o k e WORD_BOUNDARY a l a r m WORD_BOUNDARY i s WORD_BOUNDARY g o i n g WORD_BOUNDARY o f f WORD_BOUNDARY