With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Bjelke-Petersen
was
preoccupied
with
home
duties
until
well
after
Joh
Bjelke-Petersen
became
Premier
in
1968
.
Bjelke-Petersen:person-politician
was:O
preoccupied:O
with:O
home:O
duties:O
until:O
well:O
after:O
Joh:person-politician
Bjelke-Petersen:person-politician
became:O
Premier:O
in:O
1968:O
.:O