With no explanation, label each line with "location-GPE", "O", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Peacock
Ridge
(
)
is
a
ridge
standing
between
Mount
Soucek
and
Mount
Porteus
,
in
the
north
part
of
the
Tula
Mountains
in
Enderby
Land
,
Antarctica
.
Peacock:location-mountain
Ridge:location-mountain
(:O
):O
is:O
a:O
ridge:O
standing:O
between:O
Mount:location-mountain
Soucek:location-mountain
and:O
Mount:location-mountain
Porteus:location-mountain
,:O
in:O
the:O
north:O
part:O
of:O
the:O
Tula:location-mountain
Mountains:location-mountain
in:O
Enderby:location-GPE
Land:location-GPE
,:O
Antarctica:location-GPE
.:O