With no explanation, label each line with "O", "building-hospital", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hotel" preceded by ":".
It
served
the
local
area
for
many
years
before
being
replaced
by
the
newer
Dorset
County
Hospital
in
1998
.
It:O
served:O
the:O
local:O
area:O
for:O
many:O
years:O
before:O
being:O
replaced:O
by:O
the:O
newer:O
Dorset:building-hospital
County:building-hospital
Hospital:building-hospital
in:O
1998:O
.:O