With no explanation, label each line with "O", "location-bodiesofwater", "location-park", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
North
Cascades
National
Park
consists
of
a
northern
and
southern
section
,
bisected
by
the
Skagit
River
that
flows
through
Ross
Lake
National
Recreation
Area
.
North:location-park
Cascades:location-park
National:location-park
Park:location-park
consists:O
of:O
a:O
northern:O
and:O
southern:O
section:O
,:O
bisected:O
by:O
the:O
Skagit:location-bodiesofwater
River:location-bodiesofwater
that:O
flows:O
through:O
Ross:location-park
Lake:location-park
National:location-park
Recreation:location-park
Area:location-park
.:O