With no explanation, label each line with "other-livingthing", "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
They
also
moved
from
north
to
south
as
the
sourgrass
found
north
of
the
Vaal
River
matured
and
became
unpalatable
,
the
wildebeest
only
consuming
young
shoots
of
sourgrass
.
They:O
also:O
moved:O
from:O
north:O
to:O
south:O
as:O
the:O
sourgrass:O
found:O
north:O
of:O
the:O
Vaal:location-bodiesofwater
River:location-bodiesofwater
matured:O
and:O
became:O
unpalatable:O
,:O
the:O
wildebeest:other-livingthing
only:O
consuming:O
young:O
shoots:O
of:O
sourgrass:O
.:O