With no explanation, label each line with "art-film", "O", "person-director", "person-actor", "art-broadcastprogram", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Pak
's
last
film
was
Street
Angels
,
a
1996
Triad
film
directed
by
Billy
Tang
Hin-Shing
.
Pak:person-actor
's:O
last:O
film:O
was:O
Street:art-film
Angels:art-film
,:O
a:O
1996:O
Triad:O
film:O
directed:O
by:O
Billy:person-director
Tang:person-director
Hin-Shing:person-director
.:O