With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
then
returned
to
Craig
Air
Force
Base
1971–75
,
as
a
Cessna
T-37
Tweet
instructor
pilot
with
the
43d
Flying
Training
Squadron
.
He:O
then:O
returned:O
to:O
Craig:organization-other
Air:organization-other
Force:organization-other
Base:organization-other
1971–75:O
,:O
as:O
a:O
Cessna:organization-other
T-37:organization-other
Tweet:organization-other
instructor:O
pilot:O
with:O
the:O
43d:organization-other
Flying:organization-other
Training:organization-other
Squadron:organization-other
.:O