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 ":".
It
has
also
been
proposed
that
Bub1
binds
p53
to
prevent
it
from
activating
pro-apoptotic
genes
,
therefore
p53
is
able
to
induce
apoptosis
when
Bub1
is
depleted
.
It:O
has:O
also:O
been:O
proposed:O
that:O
Bub1:other-biologything
binds:O
p53:other-biologything
to:O
prevent:O
it:O
from:O
activating:O
pro-apoptotic:O
genes:O
,:O
therefore:O
p53:other-biologything
is:O
able:O
to:O
induce:O
apoptosis:O
when:O
Bub1:other-biologything
is:O
depleted:O
.:O