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 ":".
When
international
vaccine
care
standards
were
being
designed
in
the
1970s
,
the
manuals
typically
generalized
from
the
needs
of
care
for
the
oral
polio
vaccine
since
that
was
the
most
delicate
vaccine
in
wide
use
.
When:O
international:O
vaccine:O
care:O
standards:O
were:O
being:O
designed:O
in:O
the:O
1970s:O
,:O
the:O
manuals:O
typically:O
generalized:O
from:O
the:O
needs:O
of:O
care:O
for:O
the:O
oral:other-medical
polio:other-medical
vaccine:other-medical
since:O
that:O
was:O
the:O
most:O
delicate:O
vaccine:O
in:O
wide:O
use:O
.:O