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 ":".
As
many
as
one-third
of
these
infants
can
die
.
As:O
many:O
as:O
one-third:O
of:O
these:O
infants:O
can:O
die:O
.:O