With no explanation, label each line with "location-GPE", "O", "location-island", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Saturna
Island
is
a
mountainous
island
,
about
in
size
,
in
the
Southern
Gulf
Islands
chain
of
British
Columbia
,
Canada
.
Saturna:location-island
Island:location-island
is:O
a:O
mountainous:O
island:O
,:O
about:O
in:O
size:O
,:O
in:O
the:O
Southern:location-island
Gulf:location-island
Islands:location-island
chain:O
of:O
British:location-GPE
Columbia:location-GPE
,:O
Canada:location-GPE
.:O