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
hotel
building
was
designated
as
a
National
Historic
Site
of
Canada
,
known
as
the
Château
Frontenac
National
Historic
Site
of
Canada
.
The:O
hotel:O
building:O
was:O
designated:O
as:O
a:O
National:O
Historic:O
Site:O
of:O
Canada:location-GPE
,:O
known:O
as:O
the:O
Château:O
Frontenac:O
National:O
Historic:O
Site:O
of:O
Canada:location-GPE
.:O