With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Nonetheless
,
he
continued
to
perform
medical
research
for
Schering
AG
throughout
the
duration
of
the
war
.
Nonetheless:O
,:O
he:O
continued:O
to:O
perform:O
medical:O
research:O
for:O
Schering:organization-company
AG:organization-company
throughout:O
the:O
duration:O
of:O
the:O
war:O
.:O