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 ":".
Dimov
//
J.
Acarol
.
Dimov:O
//:O
J.:O
Acarol:O
.:O