With no explanation, label each line with "O", "other-medical", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Methicillin
was
then
the
antibiotic
of
choice
,
but
has
since
been
replaced
by
oxacillin
because
of
significant
kidney
toxicity
.
Methicillin:other-medical
was:O
then:O
the:O
antibiotic:O
of:O
choice:O
,:O
but:O
has:O
since:O
been:O
replaced:O
by:O
oxacillin:other-medical
because:O
of:O
significant:O
kidney:O
toxicity:O
.:O