With no explanation, label each line with "O", "location-bodiesofwater", "location-other", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Fed
partly
by
melt
from
the
Gray
Wolf
Glacier
,
the
river
descends
through
a
short
and
steep
canyon
to
Lindbergh
Lake
,
at
the
base
of
the
Mission
Mountains
.
Fed:O
partly:O
by:O
melt:O
from:O
the:O
Gray:location-other
Wolf:location-other
Glacier:location-other
,:O
the:O
river:O
descends:O
through:O
a:O
short:O
and:O
steep:O
canyon:O
to:O
Lindbergh:location-bodiesofwater
Lake:location-bodiesofwater
,:O
at:O
the:O
base:O
of:O
the:O
Mission:location-mountain
Mountains:location-mountain
.:O