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 ":".
It
houses
and
sells
traditional
crafts
and
artifacts
.
It:O
houses:O
and:O
sells:O
traditional:O
crafts:O
and:O
artifacts:O
.:O