this is Mark talking
this be Mark talk
pro:dem aux n:prop part
this is mark talking .
ð ɪ s WORD_BOUNDARY ɪ z WORD_BOUNDARY m ɑː ɹ k WORD_BOUNDARY t ɔː k ɪ ŋ WORD_BOUNDARY
t h i s WORD_BOUNDARY i s WORD_BOUNDARY m a r k WORD_BOUNDARY t a l k i n g WORD_BOUNDARY