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 ":".
``
CNN3
``
is
one
of
the
three
homologous
calponin
isoform
genes
.
``:O
CNN3:other-biologything
``:O
is:O
one:O
of:O
the:O
three:O
homologous:O
calponin:O
isoform:O
genes:O
.:O