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 ":".
The
regiment
saw
service
in
the
Second
Boer
War
,
and
both
World
War
I
and
World
War
II
.
The:O
regiment:O
saw:O
service:O
in:O
the:O
Second:event-attack/battle/war/militaryconflict
Boer:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
,:O
and:O
both:O
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
I:event-attack/battle/war/militaryconflict
and:O
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
II:event-attack/battle/war/militaryconflict
.:O