With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Calabazo
virus
is
an
enveloped
,
single-stranded
,
negative-sense
RNA
hantavirus
species
of
the
order
``
Bunyavirales
''
.
Calabazo:O
virus:O
is:O
an:O
enveloped:O
,:O
single-stranded:O
,:O
negative-sense:O
RNA:other-chemicalthing
hantavirus:O
species:O
of:O
the:O
order:O
``:O
Bunyavirales:O
'':O
.:O