With no explanation, label each line with "location-GPE", "art-writtenart", "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "building-airport" preceded by ":".
Dope
is
a
1919
novel
by
Sax
Rohmer
set
in
the
Limehouse
area
of
London
.
Dope:art-writtenart
is:O
a:O
1919:O
novel:O
by:O
Sax:person-artist/author
Rohmer:person-artist/author
set:person-artist/author
in:O
the:O
Limehouse:O
area:O
of:O
London:location-GPE
.:O