With no explanation, label each line with "other-disease", "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
GHB
is
used
for
medical
purposes
in
the
treatment
of
narcolepsy
and
,
more
rarely
,
alcoholism
,
although
its
use
for
alcoholism
is
not
supported
by
evidence
from
randomized
controlled
trials
.
GHB:other-chemicalthing
is:O
used:O
for:O
medical:O
purposes:O
in:O
the:O
treatment:O
of:O
narcolepsy:other-disease
and:O
,:O
more:O
rarely:O
,:O
alcoholism:other-disease
,:O
although:O
its:O
use:O
for:O
alcoholism:other-disease
is:O
not:O
supported:O
by:O
evidence:O
from:O
randomized:O
controlled:O
trials:O
.:O