With no explanation, label each line with "O", "location-bodiesofwater", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Apart
from
some
hills
downstream
(
east
and
north-east
)
of
Colenso
(
including
the
peaks
of
Hlangwane
and
Monte
Cristo
)
,
the
land
the
south
of
the
river
was
relatively
flat
.
Apart:O
from:O
some:O
hills:O
downstream:O
(:O
east:O
and:O
north-east:O
):O
of:O
Colenso:location-bodiesofwater
(:O
including:O
the:O
peaks:O
of:O
Hlangwane:location-mountain
and:O
Monte:location-mountain
Cristo:location-mountain
):O
,:O
the:O
land:O
the:O
south:O
of:O
the:O
river:O
was:O
relatively:O
flat:O
.:O