With no explanation, label each line with "location-GPE", "O", "building-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
development
was
devised
by
the
Greek
planner
Constantinos
Apostolou
Doxiadis
,
who
also
designed
Islamabad
and
Riyadh
.
The:O
development:O
was:O
devised:O
by:O
the:O
Greek:location-GPE
planner:O
Constantinos:person-other
Apostolou:person-other
Doxiadis:person-other
,:O
who:O
also:O
designed:O
Islamabad:building-other
and:O
Riyadh:building-other
.:O