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
came
with
a
diskette
.
It:O
came:O
with:O
a:O
diskette:O
.:O