With no explanation, label each line with "event-attack/battle/war/militaryconflict", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
This
army
he
led
to
victory
alongside
Crown
Prince
Wilhelm
's
5th
Army
at
the
Battle
of
the
Ardennes
in
August
1914
.
This:O
army:O
he:O
led:O
to:O
victory:O
alongside:O
Crown:organization-other
Prince:organization-other
Wilhelm:organization-other
's:organization-other
5th:organization-other
Army:organization-other
at:O
the:O
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
the:event-attack/battle/war/militaryconflict
Ardennes:event-attack/battle/war/militaryconflict
in:O
August:O
1914:O
.:O