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 ":".
The
national
preserve
encompasses
of
public
land
to
the
immediate
northwest
of
the
park
,
protecting
a
portion
of
the
Alsek
River
with
its
fish
and
wildlife
habitats
,
while
allowing
sport
hunting
.
The:O
national:O
preserve:O
encompasses:O
of:O
public:O
land:O
to:O
the:O
immediate:O
northwest:O
of:O
the:O
park:O
,:O
protecting:O
a:O
portion:O
of:O
the:O
Alsek:location-bodiesofwater
River:location-bodiesofwater
with:O
its:O
fish:O
and:O
wildlife:O
habitats:O
,:O
while:O
allowing:O
sport:O
hunting:O
.:O