With no explanation, label each line with "organization-showorganization", "O", "other-currency", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Costing
£
6
million
,
the
bridge
was
opened
in
1966
at
a
ceremony
performed
by
the
Queen
Mother
.
Costing:O
£:other-currency
6:O
million:O
,:O
the:O
bridge:O
was:O
opened:O
in:O
1966:O
at:O
a:O
ceremony:O
performed:O
by:O
the:O
Queen:organization-showorganization
Mother:organization-showorganization
.:O