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 ":".
One
disadvantage
of
IgY
,
as
compared
to
mammalian
antibodies
,
is
that
the
isolation
of
IgY
from
egg
yolk
is
more
difficult
than
the
isolation
of
IgG
from
blood
serum
.
One:O
disadvantage:O
of:O
IgY:other-biologything
,:O
as:O
compared:O
to:O
mammalian:O
antibodies:O
,:O
is:O
that:O
the:O
isolation:O
of:O
IgY:other-biologything
from:O
egg:O
yolk:O
is:O
more:O
difficult:O
than:O
the:O
isolation:O
of:O
IgG:other-biologything
from:O
blood:O
serum:O
.:O