With no explanation, label each line with "organization-other", "person-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Future
Confederate
generals
George
E.
Pickett
and
James
Longstreet
participated
in
the
attack
.
Future:organization-other
Confederate:organization-other
generals:O
George:person-other
E.:person-other
Pickett:person-other
and:O
James:person-other
Longstreet:person-other
participated:O
in:O
the:O
attack:O
.:O