With no explanation, label each line with "person-soldier", "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Vietinghoff
also
later
served
with
General
Heinz
Guderian
in
the
2nd
Panzer
Army
.
Vietinghoff:person-soldier
also:O
later:O
served:O
with:O
General:person-soldier
Heinz:person-soldier
Guderian:person-soldier
in:O
the:organization-other
2nd:organization-other
Panzer:organization-other
Army:organization-other
.:O