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 ":".
In
January
2013
,
he
was
promoted
to
the
rank
of
brigadier
.
In:O
January:O
2013:O
,:O
he:O
was:O
promoted:O
to:O
the:O
rank:O
of:O
brigadier:O
.:O