With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
These
ringtones
can
be
applied
to
contacts
individually
.
These:O
ringtones:O
can:O
be:O
applied:O
to:O
contacts:O
individually:O
.:O