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
resulting
material
is
purportedly
harder
,
more
lustrous
and
more
like
diamond
overall
.
The:O
resulting:O
material:O
is:O
purportedly:O
harder:O
,:O
more:O
lustrous:O
and:O
more:O
like:O
diamond:O
overall:O
.:O