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 ":".
Much
is
known
about
the
involvement
of
TGF-β
in
carcinogenesis
,
with
its
role
being
twofold
.
Much:O
is:O
known:O
about:O
the:O
involvement:O
of:O
TGF-β:other-biologything
in:O
carcinogenesis:O
,:O
with:O
its:O
role:O
being:O
twofold:O
.:O