With no explanation, label each line with "building-other", "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
West
Hill
Dam
was
built
after
devastating
floods
during
the
1950s
;
it
is
intended
to
protect
the
Blackstone
Valley
from
future
destructive
flooding
.
West:building-other
Hill:building-other
Dam:building-other
was:O
built:O
after:O
devastating:O
floods:O
during:O
the:O
1950s:O
;:O
it:O
is:O
intended:O
to:O
protect:O
the:O
Blackstone:location-other
Valley:location-other
from:O
future:O
destructive:O
flooding:O
.:O