With no explanation, label each line with "location-bodiesofwater", "O", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Cascade
Mountains
form
a
barrier
to
the
eastward
flow
of
moist
and
relatively
mild
air
from
the
Pacific
Ocean
in
winter
and
cool
air
in
summer
.
The:O
Cascade:location-mountain
Mountains:location-mountain
form:O
a:O
barrier:O
to:O
the:O
eastward:O
flow:O
of:O
moist:O
and:O
relatively:O
mild:O
air:O
from:O
the:O
Pacific:location-bodiesofwater
Ocean:location-bodiesofwater
in:O
winter:O
and:O
cool:O
air:O
in:O
summer:O
.:O