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 ":".
Since
the
2000s
,
the
main
cables
have
also
supported
a
series
of
24-watt
LED
lighting
fixtures
,
referred
to
as
``
necklace
lights
''
due
to
their
shape
.
Since:O
the:O
2000s:O
,:O
the:O
main:O
cables:O
have:O
also:O
supported:O
a:O
series:O
of:O
24-watt:O
LED:O
lighting:O
fixtures:O
,:O
referred:O
to:O
as:O
``:O
necklace:O
lights:O
'':O
due:O
to:O
their:O
shape:O
.:O