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 ":".
Imaging
of
the
nuclear
distribution
of
PCNA
(
via
antibody
labeling
)
can
be
used
to
distinguish
between
early
,
mid
and
late
S
phase
of
the
cell
cycle
.
Imaging:O
of:O
the:O
nuclear:O
distribution:O
of:O
PCNA:other-biologything
(:O
via:O
antibody:O
labeling:O
):O
can:O
be:O
used:O
to:O
distinguish:O
between:O
early:O
,:O
mid:O
and:O
late:O
S:O
phase:O
of:O
the:O
cell:O
cycle:O
.:O