With no explanation, label each line with "O", "location-island", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
is
a
medium-sized
,
intelligent
,
short-haired
dog
,
of
a
solid
build
,
whose
early
ancestors
came
from
the
British
Isles
.
It:O
is:O
a:O
medium-sized:O
,:O
intelligent:O
,:O
short-haired:O
dog:O
,:O
of:O
a:O
solid:O
build:O
,:O
whose:O
early:O
ancestors:O
came:O
from:O
the:O
British:location-island
Isles:location-island
.:O