With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
film
opened
on
August
12
,
1988
.
The:O
film:O
opened:O
on:O
August:O
12:O
,:O
1988:O
.:O