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 ":".
Its
location
is
not
disclosed
.
Its:O
location:O
is:O
not:O
disclosed:O
.:O