With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
February
2006
,
while
an
Army
Captain
,
Waddington
defended
Sergeant
Alan
Driver
at
Fort
Bliss
,
Texas
.
In:O
February:O
2006:O
,:O
while:O
an:O
Army:O
Captain:O
,:O
Waddington:person-other
defended:O
Sergeant:person-other
Alan:person-other
Driver:person-other
at:O
Fort:location-GPE
Bliss:location-GPE
,:O
Texas:location-GPE
.:O