With no explanation, label each line with "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
DC
FRZ
extends
approximately
around
the
DCA
VOR/DME
.
The:O
DC:location-other
FRZ:location-other
extends:O
approximately:O
around:O
the:O
DCA:location-other
VOR/DME:location-other
.:O