With no explanation, label each line with "building-other", "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Fort
Vancouver
was
declared
a
U.S.
National
Monument
on
June
19
,
1948
,
and
redesignated
as
Fort
Vancouver
National
Historic
Site
on
June
30
,
1961
.
Fort:O
Vancouver:O
was:O
declared:O
a:O
U.S.:building-other
National:building-other
Monument:building-other
on:O
June:O
19:O
,:O
1948:O
,:O
and:O
redesignated:O
as:O
Fort:location-other
Vancouver:location-other
National:location-other
Historic:location-other
Site:location-other
on:O
June:O
30:O
,:O
1961:O
.:O