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 ":".
The
lake
stretches
from
Pickstown
,
South
Dakota
upstream
to
Big
Bend
Dam
.
The:O
lake:O
stretches:O
from:O
Pickstown:location-GPE
,:O
South:location-GPE
Dakota:location-GPE
upstream:O
to:O
Big:location-other
Bend:location-other
Dam:location-other
.:O