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 ":".
It
also
spreads
from
person
to
person
contact
such
as
when
there
is
improper
hand
washing
after
bathroom
use
,
changing
diapers
,
or
sexual
contact
with
an
infected
partner
(
not
limited
to
anal-to
oral
contact
)
.
It:O
also:O
spreads:O
from:O
person:O
to:O
person:O
contact:O
such:O
as:O
when:O
there:O
is:O
improper:O
hand:O
washing:O
after:O
bathroom:O
use:O
,:O
changing:O
diapers:O
,:O
or:O
sexual:O
contact:O
with:O
an:O
infected:O
partner:O
(:O
not:O
limited:O
to:O
anal-to:O
oral:O
contact:O
):O
.:O