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 ":".
This
was
standard
practice
for
throat
swabs
where
other
organisms
in
the
mouth
rendered
cultures
as
not
useful
after
2
days
.
This:O
was:O
standard:O
practice:O
for:O
throat:O
swabs:O
where:O
other:O
organisms:O
in:O
the:O
mouth:O
rendered:O
cultures:O
as:O
not:O
useful:O
after:O
2:O
days:O
.:O