With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Designed
by
Lawrence
Halprin
and
William
Wurster
opening
in
1964
,
this
was
one
of
the
first
examples
of
major
land
recycling
in
the
United
States
.
Designed:O
by:O
Lawrence:person-artist/author
Halprin:person-artist/author
and:O
William:person-artist/author
Wurster:person-artist/author
opening:O
in:O
1964:O
,:O
this:O
was:O
one:O
of:O
the:O
first:O
examples:O
of:O
major:O
land:O
recycling:O
in:O
the:O
United:O
States:O
.:O