With no explanation, label each line with "location-GPE", "other-disease", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Vitamin
B12
deficiency
in
the
US
and
the
UK
is
estimated
to
occur
in
about
6
percent
of
those
under
the
age
of
60
,
and
20
percent
of
those
over
the
age
of
60
.
Vitamin:O
B12:other-disease
deficiency:other-disease
in:O
the:O
US:location-GPE
and:O
the:O
UK:location-GPE
is:O
estimated:O
to:O
occur:O
in:O
about:O
6:O
percent:O
of:O
those:O
under:O
the:O
age:O
of:O
60:O
,:O
and:O
20:O
percent:O
of:O
those:O
over:O
the:O
age:O
of:O
60:O
.:O