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 ":".
Due
to
the
outbreak
of
World
War
II
,
the
competition
was
not
played
between
the
1938–39
and
1945–46
editions
.
Due:O
to:O
the:O
outbreak:O
of:O
World:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
II:event-attack/battle/war/militaryconflict
,:O
the:O
competition:O
was:O
not:O
played:O
between:O
the:O
1938–39:O
and:O
1945–46:O
editions:O
.:O