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 ":".
these
venues
offer
concerts
from
popular
artist
.
these:O
venues:O
offer:O
concerts:O
from:O
popular:O
artist:O
.:O