With no explanation, label each line with "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
A
number
of
studies
associate
the
RGS4
gene
with
schizophrenia
,
while
some
fail
to
detect
an
association
.
A:O
number:O
of:O
studies:O
associate:O
the:O
RGS4:other-biologything
gene:O
with:O
schizophrenia:O
,:O
while:O
some:O
fail:O
to:O
detect:O
an:O
association:O
.:O