With no explanation, label each line with "O", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Keel
Hill
(
)
is
a
small
ice-free
hill
,
standing
at
the
north
side
of
McGregor
Glacier
,
about
east
of
Crilly
Hill
,
in
the
Queen
Maud
Mountains
of
Antarctica
.
Keel:location-mountain
Hill:location-mountain
(:O
):O
is:O
a:O
small:O
ice-free:O
hill:O
,:O
standing:O
at:O
the:O
north:O
side:O
of:O
McGregor:location-mountain
Glacier:location-mountain
,:O
about:O
east:O
of:O
Crilly:location-mountain
Hill:location-mountain
,:O
in:O
the:O
Queen:location-mountain
Maud:location-mountain
Mountains:location-mountain
of:location-mountain
Antarctica:location-mountain
.:O