With no explanation, label each line with "other-disease", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Some
sources
have
argued
that
mitral
regurgitation
and
mitral
valve
prolapse
are
common
after
age
40
,
if
the
ostium
secundum
is
not
repaired
by
age
24
.
Some:O
sources:O
have:O
argued:O
that:O
mitral:other-disease
regurgitation:other-disease
and:O
mitral:other-disease
valve:other-disease
prolapse:other-disease
are:O
common:O
after:O
age:O
40:O
,:O
if:O
the:O
ostium:other-disease
secundum:other-disease
is:O
not:O
repaired:O
by:O
age:O
24:O
.:O