that's their class+room
that their
pro:dem det:poss
that's their class room ?
ð æ t s WORD_BOUNDARY ð ɛ ɹ WORD_BOUNDARY k l æ s WORD_BOUNDARY ɹ uː m WORD_BOUNDARY
t h a t ' s WORD_BOUNDARY t h e i r WORD_BOUNDARY c l a s s WORD_BOUNDARY r o o m WORD_BOUNDARY