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 ":".
Five
examples
,
dating
from
the
1790s
,
remain
to
this
day
.
Five:O
examples:O
,:O
dating:O
from:O
the:O
1790s:O
,:O
remain:O
to:O
this:O
day:O
.:O