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 ":".
Classified
as
Horror
films
,
they
included
iconic
monsters
.
Classified:O
as:O
Horror:O
films:O
,:O
they:O
included:O
iconic:O
monsters:O
.:O