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 ":".
The
city
skyline
may
be
viewed
from
the
island
.
The:O
city:O
skyline:O
may:O
be:O
viewed:O
from:O
the:O
island:O
.:O