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 ":".
On
the
summit
there
is
a
huge
antenna
and
a
small
cabin
,
which
is
closed
to
the
public
.
On:O
the:O
summit:O
there:O
is:O
a:O
huge:O
antenna:O
and:O
a:O
small:O
cabin:O
,:O
which:O
is:O
closed:O
to:O
the:O
public:O
.:O