With no explanation, label each line with "location-GPE", "O", "location-park", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
Henningsen
designed
a
blackout
lamp
for
the
Tivoli
Gardens
in
Copenhagen
which
allows
the
Gardens
to
stay
open
until
midnight
:
the
light
from
the
lamps
can
not
be
seen
from
aeroplanes
flying
over
the
city
.
Henningsen:person-other
designed:O
a:O
blackout:O
lamp:O
for:O
the:O
Tivoli:location-park
Gardens:location-park
in:O
Copenhagen:location-GPE
which:O
allows:O
the:O
Gardens:location-park
to:O
stay:O
open:O
until:O
midnight:O
::O
the:O
light:O
from:O
the:O
lamps:O
can:O
not:O
be:O
seen:O
from:O
aeroplanes:O
flying:O
over:O
the:O
city:O
.:O