With no explanation, label each line with "building-other", "O", "organization-other", "location-GPE", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
During
the
Norwegian
Campaign
of
World
War
II
,
a
battle
occurred
at
Fossum
Bridge
when
the
Norwegian
Army
defended
the
crossing
against
invading
Germans
in
April
1940
.
During:O
the:O
Norwegian:event-attack/battle/war/militaryconflict
Campaign:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
II:event-attack/battle/war/militaryconflict
,:O
a:O
battle:O
occurred:O
at:O
Fossum:building-other
Bridge:building-other
when:O
the:O
Norwegian:organization-other
Army:organization-other
defended:O
the:O
crossing:O
against:O
invading:O
Germans:location-GPE
in:O
April:O
1940:O
.:O