With no explanation, label each line with "O", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Battle
of
Fairfield
was
a
cavalry
engagement
during
the
Gettysburg
Campaign
of
the
American
Civil
War
.
The:event-attack/battle/war/militaryconflict
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
Fairfield:event-attack/battle/war/militaryconflict
was:O
a:O
cavalry:O
engagement:O
during:O
the:event-attack/battle/war/militaryconflict
Gettysburg:event-attack/battle/war/militaryconflict
Campaign:event-attack/battle/war/militaryconflict
of:O
the:event-attack/battle/war/militaryconflict
American:event-attack/battle/war/militaryconflict
Civil:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
.:O