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 ":".
Massow
was
replaced
during
the
campaign
by
Oberst
Werner
Junck
.
Massow:person-soldier
was:O
replaced:O
during:O
the:O
campaign:O
by:O
Oberst:person-soldier
Werner:person-soldier
Junck:person-soldier
.:O