With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
Military
Secretary
was
one
of
the
C-in-C
's
closest
assistants
with
particular
responsibility
for
promotions
and
appointments
.
The:O
Military:O
Secretary:O
was:O
one:O
of:O
the:O
C-in-C:O
's:O
closest:O
assistants:O
with:O
particular:O
responsibility:O
for:O
promotions:O
and:O
appointments:O
.:O