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
episode
features
six
musical
cover
versions
.
The:O
episode:O
features:O
six:O
musical:O
cover:O
versions:O
.:O