With no explanation, label each line with "O", "location-other", "person-politician", "event-attack/battle/war/militaryconflict", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
On
25
June
1876
,
the
Lakota
Sioux
and
Cheyenne
achieved
a
major
victory
over
army
forces
under
Colonel
George
A.
Custer
at
the
Battle
of
the
Little
Big
Horn
in
the
Crow
Indian
Reservation
,
but
the
Great
Sioux
War
(
1876–1877
)
ended
in
the
defeat
of
the
Sioux
and
their
Cheyenne
allies
.
On:O
25:O
June:O
1876:O
,:O
the:O
Lakota:person-other
Sioux:person-other
and:O
Cheyenne:person-other
achieved:O
a:O
major:O
victory:O
over:O
army:O
forces:O
under:O
Colonel:O
George:person-politician
A.:person-politician
Custer:person-politician
at:O
the:O
Battle:O
of:O
the:O
Little:event-attack/battle/war/militaryconflict
Big:event-attack/battle/war/militaryconflict
Horn:event-attack/battle/war/militaryconflict
in:O
the:O
Crow:location-other
Indian:location-other
Reservation:location-other
,:O
but:O
the:O
Great:event-attack/battle/war/militaryconflict
Sioux:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
(:O
1876–1877:O
):O
ended:O
in:O
the:O
defeat:O
of:O
the:O
Sioux:person-other
and:O
their:O
Cheyenne:person-other
allies:O
.:O