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 ":".
He
was
mustered
out
of
the
volunteers
on
August
15
,
1863
.
He:O
was:O
mustered:O
out:O
of:O
the:O
volunteers:O
on:O
August:O
15:O
,:O
1863:O
.:O