With no explanation, label each line with "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Southern
Patagonian
Ice
Field
feeds
four
main
glaciers
;
they
are
from
north
to
south
the
glaciers
:
Dickson
,
Grey
,
Zapata
,
and
Tyndall
.
The:location-other
Southern:location-other
Patagonian:location-other
Ice:location-other
Field:location-other
feeds:O
four:O
main:O
glaciers:O
;:O
they:O
are:O
from:O
north:O
to:O
south:O
the:O
glaciers:O
::O
Dickson:location-other
,:O
Grey:location-other
,:O
Zapata:location-other
,:O
and:O
Tyndall:location-other
.:O