With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Human
infection
with
Calabazo
virus
results
in
respiratory
illness
similar
to
Hantavirus
pulmonary
syndrome
but
it
is
not
severe
or
fatal
and
rarely
requires
hospitalization
.
Human:O
infection:O
with:O
Calabazo:O
virus:O
results:O
in:O
respiratory:O
illness:O
similar:O
to:O
Hantavirus:O
pulmonary:O
syndrome:O
but:O
it:O
is:O
not:O
severe:O
or:O
fatal:O
and:O
rarely:O
requires:O
hospitalization:O
.:O