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
blog
often
features
guest
bloggers
.
The:O
blog:O
often:O
features:O
guest:O
bloggers:O
.:O