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 ":".
When
infected
,
the
host
can
also
experience
symptoms
such
as
nausea
,
lack
of
appetite
,
diarrhoea
and
abdominal
pain
.
When:O
infected:O
,:O
the:O
host:O
can:O
also:O
experience:O
symptoms:O
such:O
as:O
nausea:O
,:O
lack:O
of:O
appetite:O
,:O
diarrhoea:O
and:O
abdominal:O
pain:O
.:O