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 ":".
This
came
to
be
known
as
th
e
Battle
of
Qalaqaljit
Sands
.
This:O
came:O
to:O
be:O
known:O
as:O
th:O
e:event-attack/battle/war/militaryconflict
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
Qalaqaljit:event-attack/battle/war/militaryconflict
Sands:event-attack/battle/war/militaryconflict
.:O