With no explanation, label each line with "O", "location-park", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
By
Congressional
authorization
,
it
is
the
only
National
Battlefield
Park
designating
a
battlefield
of
the
War
of
1812
-
the
River
Raisin
National
Battlefield
Park
.
By:O
Congressional:O
authorization:O
,:O
it:O
is:O
the:O
only:O
National:location-park
Battlefield:location-park
Park:location-park
designating:O
a:O
battlefield:O
of:O
the:O
War:O
of:O
1812:O
-:O
the:O
River:location-park
Raisin:location-park
National:location-park
Battlefield:location-park
Park:location-park
.:O