With no explanation, label each line with "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
also
participated
in
the
Battle
of
Bicocca
of
27
April
.
He:O
also:O
participated:O
in:O
the:O
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
Bicocca:event-attack/battle/war/militaryconflict
of:O
27:O
April:O
.:O