With no explanation, label each line with "O", "organization-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Donley
,
later
a
librarian
in
the
Chicago
Public
Library
system
,
died
on
December
1
,
2013
,
due
to
a
ruptured
aorta
.
Donley:person-other
,:O
later:O
a:O
librarian:O
in:O
the:O
Chicago:organization-other
Public:organization-other
Library:organization-other
system:O
,:O
died:O
on:O
December:O
1:O
,:O
2013:O
,:O
due:O
to:O
a:O
ruptured:O
aorta:O
.:O