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 ":".
There
would
be
no
room
service
.
There:O
would:O
be:O
no:O
room:O
service:O
.:O