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 ":".
They
were
probably
marauding
raids
.
They:O
were:O
probably:O
marauding:O
raids:O
.:O