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 ":".
A
ρ
factor
(
Rho
factor
)
is
a
prokaryotic
protein
involved
in
the
termination
of
transcription
.
A:O
ρ:other-biologything
factor:other-biologything
(:O
Rho:other-biologything
factor:other-biologything
):O
is:O
a:O
prokaryotic:O
protein:other-biologything
involved:O
in:O
the:O
termination:O
of:O
transcription:O
.:O