Opi makan apa tadi Pi
opi makan apa tadi pi ?
o p i WORD_BOUNDARY m a k a n WORD_BOUNDARY a p a WORD_BOUNDARY t a d i WORD_BOUNDARY p i WORD_BOUNDARY
o p i WORD_BOUNDARY m a k a n WORD_BOUNDARY a p a WORD_BOUNDARY t a d i WORD_BOUNDARY p i WORD_BOUNDARY ? WORD_BOUNDARY