With no explanation, label each line with "art-film", "O", "person-artist/author", "person-director", "art-broadcastprogram", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Bridges
began
his
film
career
as
a
production
assistant
on
Francis
Ford
Coppola
's
film
``
The
Conversation
``
.
Bridges:person-artist/author
began:O
his:O
film:O
career:O
as:O
a:O
production:O
assistant:O
on:O
Francis:person-director
Ford:person-director
Coppola:person-director
's:O
film:O
``:O
The:art-film
Conversation:art-film
``:O
.:O