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 ":".
The
second
army
was
also
referred
to
as
the
Army
of
Vicksburg
.
The:O
second:O
army:O
was:O
also:O
referred:O
to:O
as:O
the:O
Army:organization-other
of:organization-other
Vicksburg:organization-other
.:O