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
island
is
a
shield
volcano
,
although
it
is
not
known
if
it
is
still
active
.
The:O
island:O
is:O
a:O
shield:O
volcano:O
,:O
although:O
it:O
is:O
not:O
known:O
if:O
it:O
is:O
still:O
active:O
.:O