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 ":".
Children
with
this
disorder
may
grow
slowly
and
puberty
may
be
delayed
by
several
years
or
indefinitely
.
Children:O
with:O
this:O
disorder:O
may:O
grow:O
slowly:O
and:O
puberty:O
may:O
be:O
delayed:O
by:O
several:O
years:O
or:O
indefinitely:O
.:O