With no explanation, label each line with "O", "other-law", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Convention
for
the
Suppression
of
the
Illicit
Traffic
in
Dangerous
Drugs
was
a
drug
control
treaty
signed
in
1936
.
The:O
Convention:other-law
for:other-law
the:other-law
Suppression:other-law
of:other-law
the:other-law
Illicit:other-law
Traffic:other-law
in:other-law
Dangerous:other-law
Drugs:other-law
was:O
a:O
drug:O
control:O
treaty:O
signed:O
in:O
1936:O
.:O