With no explanation, label each line with "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
is
where
the
Hunter
River
separates
into
its
north
and
south
channels
.
It:O
is:O
where:O
the:O
Hunter:location-bodiesofwater
River:location-bodiesofwater
separates:O
into:O
its:O
north:O
and:O
south:O
channels:O
.:O