With no explanation, label each line with "O", "location-road/railway/highway/transit", "organization-other", "location-other", "other-law", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
The
Fort
Laramie
Treaty
acknowledged
Lakota
sovereignty
over
the
Great
Plains
in
exchange
for
free
passage
on
the
Oregon
Trail
for
``
as
long
as
the
river
flows
and
the
eagle
flies
''
.
The:O
Fort:other-law
Laramie:other-law
Treaty:other-law
acknowledged:O
Lakota:organization-other
sovereignty:O
over:O
the:O
Great:location-other
Plains:location-other
in:O
exchange:O
for:O
free:O
passage:O
on:O
the:O
Oregon:location-road/railway/highway/transit
Trail:location-road/railway/highway/transit
for:O
``:O
as:O
long:O
as:O
the:O
river:O
flows:O
and:O
the:O
eagle:O
flies:O
'':O
.:O