With no explanation, label each line with "event-attack/battle/war/militaryconflict", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
5th
United
States
Colored
Infantry
Regiment
was
an
African
American
regiment
of
the
Union
Army
during
the
American
Civil
War
.
The:O
5th:organization-other
United:organization-other
States:organization-other
Colored:organization-other
Infantry:organization-other
Regiment:organization-other
was:O
an:O
African:organization-other
American:organization-other
regiment:organization-other
of:O
the:O
Union:organization-other
Army:organization-other
during:O
the:O
American:event-attack/battle/war/militaryconflict
Civil:event-attack/battle/war/militaryconflict
War:event-attack/battle/war/militaryconflict
.:O