With no explanation, label each line with "O", "location-road/railway/highway/transit", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Water
from
the
Sterkfontein
Dam
is
released
once
the
Vaal
Dam
drops
to
below
16
%
.
Water:O
from:O
the:O
Sterkfontein:location-road/railway/highway/transit
Dam:location-road/railway/highway/transit
is:O
released:O
once:O
the:O
Vaal:location-road/railway/highway/transit
Dam:location-road/railway/highway/transit
drops:O
to:O
below:O
16:O
%:O
.:O