With no explanation, label each line with "O", "person-scholar", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
A
fruitful
scholarly
activity
followed
,
culminating
in
Murnu
becoming
a
chairman
professor
of
archaeology
at
the
University
of
Bucharest
.
A:O
fruitful:O
scholarly:O
activity:O
followed:O
,:O
culminating:O
in:O
Murnu:person-scholar
becoming:O
a:O
chairman:O
professor:O
of:O
archaeology:O
at:O
the:O
University:organization-education
of:organization-education
Bucharest:organization-education
.:O