With no explanation, label each line with "O", "location-other", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Because
of
its
unique
archaeological
and
cultural
significance
,
the
East
Lake
Abert
Archaeological
District
was
listed
on
the
National
Register
of
Historic
Places
in
1978
.
Because:O
of:O
its:O
unique:O
archaeological:O
and:O
cultural:O
significance:O
,:O
the:O
East:location-other
Lake:location-other
Abert:location-other
Archaeological:location-other
District:location-other
was:O
listed:O
on:O
the:O
National:organization-other
Register:organization-other
of:organization-other
Historic:organization-other
Places:organization-other
in:O
1978:O
.:O