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 ":".
It
is
basically
a
large
articulated
vertical
space
resting
on
a
horizontal
stone
slab
,
covered
by
masonry
enclosures
.
It:O
is:O
basically:O
a:O
large:O
articulated:O
vertical:O
space:O
resting:O
on:O
a:O
horizontal:O
stone:O
slab:O
,:O
covered:O
by:O
masonry:O
enclosures:O
.:O