With no explanation, label each line with "location-GPE", "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Furtwangen
im
Schwarzwald
is
a
small
city
located
in
the
Black
Forest
region
of
southwestern
Germany
.
Furtwangen:location-GPE
im:location-GPE
Schwarzwald:location-GPE
is:O
a:O
small:O
city:O
located:O
in:O
the:O
Black:location-other
Forest:location-other
region:O
of:O
southwestern:O
Germany:location-GPE
.:O