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
layout
features
several
roll
overs
.
The:O
layout:O
features:O
several:O
roll:O
overs:O
.:O