With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Romanesque
Revival
style
courthouse
is
a
magnificent
architectural
structure
of
limestone
quarried
from
the
nearby
town
of
Grafton
,
Illinois
.
The:O
Romanesque:O
Revival:O
style:O
courthouse:O
is:O
a:O
magnificent:O
architectural:O
structure:O
of:O
limestone:O
quarried:O
from:O
the:O
nearby:O
town:O
of:O
Grafton:location-GPE
,:O
Illinois:location-GPE
.:O