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 ":".
It
was
also
noted
that
the
procedure
is
associated
with
a
short
hospital
length
of
stay
,
no
deep
wound
infections
and
is
safe
.
It:O
was:O
also:O
noted:O
that:O
the:O
procedure:O
is:O
associated:O
with:O
a:O
short:O
hospital:O
length:O
of:O
stay:O
,:O
no:O
deep:O
wound:O
infections:O
and:O
is:O
safe:O
.:O