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 ":".
The
eyes
are
often
smaller
and
underdeveloped
,
usually
more
severely
in
one
eye
than
the
other
.
The:O
eyes:O
are:O
often:O
smaller:O
and:O
underdeveloped:O
,:O
usually:O
more:O
severely:O
in:O
one:O
eye:O
than:O
the:O
other:O
.:O