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 ":".
In
1958
he
took
charge
of
Operations
and
Training
at
Headquarters
Far
East
Air
Force
.
In:O
1958:O
he:O
took:O
charge:O
of:O
Operations:O
and:O
Training:O
at:O
Headquarters:O
Far:organization-other
East:organization-other
Air:organization-other
Force:organization-other
.:O