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 ":".
Protein
A
is
often
immobilized
onto
a
solid
support
and
used
as
reliable
method
for
purifying
total
IgG
from
crude
protein
mixtures
such
as
serum
or
ascites
fluid
,
or
coupled
with
one
of
the
above
markers
to
detect
the
presence
of
antibodies
.
Protein:other-biologything
A:other-biologything
is:O
often:O
immobilized:O
onto:O
a:O
solid:O
support:O
and:O
used:O
as:O
reliable:O
method:O
for:O
purifying:O
total:O
IgG:other-biologything
from:O
crude:O
protein:O
mixtures:O
such:O
as:O
serum:other-biologything
or:O
ascites:other-biologything
fluid:other-biologything
,:O
or:O
coupled:O
with:O
one:O
of:O
the:O
above:O
markers:O
to:O
detect:O
the:O
presence:O
of:O
antibodies:O
.:O