With no explanation, label each line with "location-GPE", "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
Comanches
were
defeated
by
the
United
States
Army
in
the
Red
River
War
of
1874
.
The:O
Comanches:location-GPE
were:O
defeated:O
by:O
the:O
United:location-GPE
States:location-GPE
Army:O
in:O
the:O
Red:event-attack/battle/war/militaryconflict
River:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
of:O
1874:O
.:O