With no explanation, label each line with "location-GPE", "O", "other-medical", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Pentobarbital
(
previously
known
as
pentobarbitone
in
Britain
and
Australia
)
is
a
short-acting
barbiturate
typically
used
as
a
sedative
,
a
preanesthetic
,
and
to
control
convulsions
in
emergencies
.
Pentobarbital:other-medical
(:O
previously:O
known:O
as:O
pentobarbitone:other-medical
in:O
Britain:location-GPE
and:O
Australia:location-GPE
):O
is:O
a:O
short-acting:O
barbiturate:O
typically:O
used:O
as:O
a:O
sedative:O
,:O
a:O
preanesthetic:O
,:O
and:O
to:O
control:O
convulsions:O
in:O
emergencies:O
.:O