With no explanation, label each line with "person-soldier", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
As
all
commanders
of
the
German
corps
on
the
Eastern
Front
during
the
invasion
,
Vietinghoff
implemented
the
criminal
Commissar
Order
.
As:O
all:O
commanders:O
of:O
the:O
German:O
corps:O
on:O
the:O
Eastern:O
Front:O
during:O
the:O
invasion:O
,:O
Vietinghoff:person-soldier
implemented:O
the:O
criminal:O
Commissar:O
Order:O
.:O