With no explanation, label each line with "person-soldier", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
his
first
engagement
,
on
May
18
,
1864
,
Warner
was
severely
wounded
,
but
refused
to
leave
the
field
until
the
end
of
the
day
.
In:O
his:O
first:O
engagement:O
,:O
on:O
May:O
18:O
,:O
1864:O
,:O
Warner:person-soldier
was:O
severely:O
wounded:O
,:O
but:O
refused:O
to:O
leave:O
the:O
field:O
until:O
the:O
end:O
of:O
the:O
day:O
.:O