With no explanation, label each line with "O", "person-artist/author", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
current
building
was
designed
by
the
architect
Raymond
Erith
and
dates
to
1964
;
Speaking
at
Erith
's
memorial
service
in
1974
,
the
poet
laureate
Sir
John
Betjeman
called
the
building
``
true
Middlesex
''
and
``
a
delight
''
.
The:O
current:O
building:O
was:O
designed:O
by:O
the:O
architect:O
Raymond:person-other
Erith:person-other
and:O
dates:O
to:O
1964:O
;:O
Speaking:O
at:O
Erith:person-other
's:O
memorial:O
service:O
in:O
1974:O
,:O
the:O
poet:O
laureate:O
Sir:O
John:person-artist/author
Betjeman:person-artist/author
called:O
the:O
building:O
``:O
true:O
Middlesex:O
'':O
and:O
``:O
a:O
delight:O
'':O
.:O