With no explanation, label each line with "product-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
This
inquiry
concluded
that
the
design
of
the
structure
was
fundamentally
flawed
,
as
the
wrought
iron
did
not
reinforce
the
cast
iron
,
and
that
the
casting
had
failed
due
to
repeated
flexing
.
This:O
inquiry:O
concluded:O
that:O
the:O
design:O
of:O
the:O
structure:O
was:O
fundamentally:O
flawed:O
,:O
as:O
the:O
wrought:product-other
iron:product-other
did:O
not:O
reinforce:O
the:O
cast:product-other
iron:product-other
,:O
and:O
that:O
the:O
casting:O
had:O
failed:O
due:O
to:O
repeated:O
flexing:O
.:O