With no explanation, label each line with "O", "location-mountain", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
coastal
ice
cliffs
of
Brown
Glacier
and
Stephenson
Glacier
,
which
in
1954
were
over
50
feet
high
,
had
disappeared
by
1963
when
the
glaciers
terminated
as
much
as
100
yards
inland
.
The:O
coastal:O
ice:O
cliffs:O
of:O
Brown:location-mountain
Glacier:location-mountain
and:O
Stephenson:location-mountain
Glacier:location-mountain
,:O
which:O
in:O
1954:O
were:O
over:O
50:O
feet:O
high:O
,:O
had:O
disappeared:O
by:O
1963:O
when:O
the:O
glaciers:O
terminated:O
as:O
much:O
as:O
100:O
yards:O
inland:O
.:O