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 ":".
Null-mutations
for
CDT1
are
lethal
in
yeast
;
the
spores
undergo
mitosis
without
DNA
replication
.
Null-mutations:O
for:O
CDT1:other-biologything
are:O
lethal:O
in:O
yeast:O
;:O
the:O
spores:O
undergo:O
mitosis:O
without:O
DNA:other-biologything
replication:O
.:O