With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
doses
are
lower
than
those
used
for
anesthesia
;
they
are
usually
referred
to
as
sub-anesthetic
doses
.
The:O
doses:O
are:O
lower:O
than:O
those:O
used:O
for:O
anesthesia:O
;:O
they:O
are:O
usually:O
referred:O
to:O
as:O
sub-anesthetic:O
doses:O
.:O