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 ":".
Due
to
technological
advances
its
foundation
was
built
in
steel
piling
and
concrete
cement
encrusted
several
meters
below
the
sandy
base
.
Due:O
to:O
technological:O
advances:O
its:O
foundation:O
was:O
built:O
in:O
steel:O
piling:O
and:O
concrete:O
cement:O
encrusted:O
several:O
meters:O
below:O
the:O
sandy:O
base:O
.:O