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
been
estimated
that
approximately
10
%
of
all
tissue
samples
sequenced
from
all
cancers
display
mutations
in
the
CTNNB1
gene
.
It:O
has:O
been:O
estimated:O
that:O
approximately:O
10:O
%:O
of:O
all:O
tissue:O
samples:O
sequenced:O
from:O
all:O
cancers:O
display:O
mutations:O
in:O
the:O
CTNNB1:other-biologything
gene:other-biologything
.:O