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 ":".
In
doing
so
,
TGF-β
suppresses
expression
of
c-myc
,
a
gene
which
is
involved
in
G1
cell
cycle
progression
.
In:O
doing:O
so:O
,:O
TGF-β:other-biologything
suppresses:O
expression:O
of:O
c-myc:other-biologything
,:O
a:O
gene:O
which:O
is:O
involved:O
in:O
G1:other-biologything
cell:other-biologything
cycle:O
progression:O
.:O