With no explanation, label each line with "O", "organization-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
An
architectural
design
competition
was
managed
by
RIBA
Competitions
and
won
by
Hopkins
Architects
and
engineers
Buro
Happold
.
An:O
architectural:O
design:O
competition:O
was:O
managed:O
by:O
RIBA:organization-other
Competitions:O
and:O
won:O
by:O
Hopkins:person-other
Architects:O
and:O
engineers:O
Buro:person-other
Happold:person-other
.:O