With no explanation, label each line with "O", "organization-other", "location-GPE", "person-soldier", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other" or "art-painting" preceded by ":".
On
October
23
,
Price
was
defeated
near
Kansas
City
by
a
sizable
Union
force
in
the
Battle
of
Westport
.
On:O
October:O
23:O
,:O
Price:person-soldier
was:O
defeated:O
near:O
Kansas:location-GPE
City:location-GPE
by:O
a:O
sizable:O
Union:organization-other
force:organization-other
in:O
the:O
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
Westport:event-attack/battle/war/militaryconflict
.:O