With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
From
2003
until
2006
,
Cheney
was
the
Chief
Operating
Officer
for
Business
Executives
for
National
Security
,
in
Washington
,
D.C
.
From:O
2003:O
until:O
2006:O
,:O
Cheney:person-other
was:O
the:O
Chief:O
Operating:O
Officer:O
for:O
Business:O
Executives:O
for:O
National:O
Security:O
,:O
in:O
Washington:O
,:O
D.C:O
.:O