With no explanation, label each line with "O", "organization-government/governmentagency", "event-attack/battle/war/militaryconflict", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
At
the
Battle
of
Fair
Oaks
(
Seven
Pines
)
the
40th
New
York
gained
considerable
recognition
for
its
action
on
June
1
.
At:O
the:O
Battle:event-attack/battle/war/militaryconflict
of:event-attack/battle/war/militaryconflict
Fair:event-attack/battle/war/militaryconflict
Oaks:event-attack/battle/war/militaryconflict
(:O
Seven:event-attack/battle/war/militaryconflict
Pines:event-attack/battle/war/militaryconflict
):O
the:O
40th:organization-government/governmentagency
New:organization-government/governmentagency
York:organization-government/governmentagency
gained:O
considerable:O
recognition:O
for:O
its:O
action:O
on:O
June:O
1:O
.:O