that's a question marker
that a question mark
pro:dem det:art n n
that's a question marker .
ð æ t s WORD_BOUNDARY ɐ WORD_BOUNDARY k w ɛ s t̠ʃ ə n WORD_BOUNDARY m ɑː ɹ k ɚ WORD_BOUNDARY
t h a t ' s WORD_BOUNDARY a WORD_BOUNDARY q u e s t i o n WORD_BOUNDARY m a r k e r WORD_BOUNDARY