With no explanation, label each line with "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
was
economical
in
its
use
of
materials
,
and
would
prove
to
be
the
design
prototype
for
Brunel
's
Royal
Albert
Bridge
at
Saltash
.
It:O
was:O
economical:O
in:O
its:O
use:O
of:O
materials:O
,:O
and:O
would:O
prove:O
to:O
be:O
the:O
design:O
prototype:O
for:O
Brunel:building-other
's:building-other
Royal:building-other
Albert:building-other
Bridge:building-other
at:O
Saltash:O
.:O