my room and Mark's room
my room and Mark room
det:poss n coord adj n
my room and mark's room .
m aɪ WORD_BOUNDARY ɹ uː m WORD_BOUNDARY æ n d WORD_BOUNDARY m ɑː ɹ k s WORD_BOUNDARY ɹ uː m WORD_BOUNDARY
m y WORD_BOUNDARY r o o m WORD_BOUNDARY a n d WORD_BOUNDARY m a r k ' s WORD_BOUNDARY r o o m WORD_BOUNDARY