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 ":".
Its
advantages
as
a
roofing
material
included
its
ability
to
be
brazed
,
welded
,
or
soldered
in
place
to
provide
a
watertight
,
continuous
cover
.
Its:O
advantages:O
as:O
a:O
roofing:O
material:O
included:O
its:O
ability:O
to:O
be:O
brazed:O
,:O
welded:O
,:O
or:O
soldered:O
in:O
place:O
to:O
provide:O
a:O
watertight:O
,:O
continuous:O
cover:O
.:O