With no explanation, label each line with "location-GPE", "person-soldier", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
When
the
latter
drowned
before
the
Battle
of
L'Aquila
in
1424
,
Caldora
led
the
Angevine
army
to
victory
.
When:O
the:O
latter:O
drowned:O
before:O
the:O
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
L'Aquila:event-attack/battle/war/militaryconflict
in:O
1424:O
,:O
Caldora:person-soldier
led:O
the:O
Angevine:location-GPE
army:O
to:O
victory:O
.:O