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 ":".
Intravenous
,
inhaled
,
and
oral
antibiotics
are
used
to
treat
chronic
and
acute
infections
.
Intravenous:O
,:O
inhaled:O
,:O
and:O
oral:O
antibiotics:O
are:O
used:O
to:O
treat:O
chronic:O
and:O
acute:O
infections:O
.:O