With no explanation, label each line with "location-GPE", "O", "organization-sportsteam", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Wichita
Falls
Nighthawks
were
a
professional
indoor
American
football
team
.
The:O
Wichita:organization-sportsteam
Falls:organization-sportsteam
Nighthawks:organization-sportsteam
were:O
a:O
professional:O
indoor:O
American:location-GPE
football:O
team:O
.:O