With no explanation, label each line with "other-disease", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
After
Lady
Flora
's
death
from
Bright
's
Disease
in
April
1887
,
aged
33
,
he
remained
unmarried
for
nearly
seventeen
years
.
After:O
Lady:O
Flora:person-other
's:O
death:O
from:O
Bright:other-disease
's:other-disease
Disease:other-disease
in:O
April:O
1887:O
,:O
aged:O
33:O
,:O
he:O
remained:O
unmarried:O
for:O
nearly:O
seventeen:O
years:O
.:O