With no explanation, label each line with "O", "other-law", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
film
was
released
a
few
months
before
the
Production
Code
was
enforced
.
The:O
film:O
was:O
released:O
a:O
few:O
months:O
before:O
the:O
Production:other-law
Code:other-law
was:O
enforced:O
.:O