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 ":".
During
the
North-West
rebellion
they
supplied
beef
to
the
army
.
During:O
the:O
North-West:event-attack/battle/war/militaryconflict
rebellion:event-attack/battle/war/militaryconflict
they:O
supplied:O
beef:O
to:O
the:O
army:O
.:O