With no explanation, label each line with "person-soldier", "O", "organization-other", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
While
Tecumseh
was
away
,
Tecumseh
's
Confederacy
suffered
a
drastic
defeat
in
the
1811
Battle
of
Tippecanoe
,
a
year
before
the
second
British-American
War
.
While:O
Tecumseh:person-soldier
was:O
away:O
,:O
Tecumseh:organization-other
's:organization-other
Confederacy:organization-other
suffered:O
a:O
drastic:O
defeat:O
in:O
the:O
1811:event-attack/battle/war/militaryconflict
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
Tippecanoe:event-attack/battle/war/militaryconflict
,:O
a:O
year:O
before:O
the:O
second:O
British-American:O
War:O
.:O