With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
financial
damage
from
the
attack
was
estimated
at
£2
million
.
The:O
financial:O
damage:O
from:O
the:O
attack:O
was:O
estimated:O
at:O
£2:O
million:O
.:O