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 ":".
Nuclear
DNA
and
mitochondrial
DNA
differ
in
many
ways
,
starting
with
location
and
structure
.
Nuclear:other-biologything
DNA:other-biologything
and:O
mitochondrial:other-biologything
DNA:other-biologything
differ:O
in:O
many:O
ways:O
,:O
starting:O
with:O
location:O
and:O
structure:O
.:O